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Preface
Thank you for choosing DELTA’s high-performance VFD-S Series. The VFD-S Series is
manufactured with high-quality components and materials and incorporate the latest microprocessor
technology available.
This manual is to be used for the installation, parameter setting, troubleshooting, and daily
maintenance of the AC motor drive. To guarantee safe operation of the equipment, read the following
safety guidelines before connecting power to the AC motor drive. Keep this operating manual at
hand and distribute to all users for reference.
To ensure the safety of operators and equipment, only qualified personnel familiar with AC motor
drive are to do installation, start-up and maintenance. Always read this manual thoroughly before
using VFD-S series AC Motor Drive, especially the WARNING, DANGER and CAUTION notes.
Failure to comply may result in personal injury and equipment damage. If you have any questions,
please contact your dealer.
PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.
DANGER!
1. AC input power must be disconnected before any wiring to the AC motor drive is made.
2. A charge may still remain in the DC-link capacitors with hazardous voltages, even if the power
has been turned off. To prevent personal injury, please ensure that power has been turned off
before opening the AC motor drive and wait ten minutes for the capacitors to discharge to safe
voltage levels.
3. Never reassemble internal components or wiring.
4. The AC motor drive may be destroyed beyond repair if incorrect cables are connected to the
input/output terminals. Never connect the AC motor drive output terminals U/T1, V/T2, and W/T3
directly to the AC mains circuit power supply.
5. Ground the VFD-S using the ground terminal. The grounding method must comply with the laws
of the country where the AC motor drive is to be installed. Refer to the Basic Wiring Diagram.
6. VFD-S series is used only to control variable speed of 3-phase induction motors, NOT for 1-
phase motors or other purpose.
7. VFD-S series shall NOT be used for life support equipment or any life safety situation.
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WARNING!
1.
2.
DO NOT use Hi-pot test for internal components. The semi-conductor used in the AC motor
drive is easily damaged by high-pressure.
There are highly sensitive MOS components on the printed circuit boards. These components
are especially sensitive to static electricity. To prevent damage to these components, do not
touch these components or the circuit boards with metal objects or your bare hands.
Only qualified personnel are allowed to install, wire and maintain AC motor drive.
3.
CAUTION!
1.
2.
Some parameter settings will cause the motor to run immediately after applying power.
DO NOT install the AC motor drive in a place subjected to high temperature, direct sunlight,
high humidity, excessive vibration, corrosive gases or liquids, or airborne dust or metallic
particles.
3.
4.
5.
Only use AC motor drives within specification. Failure to comply may result in fire, explosion or
electric shock.
To prevent personal injury, please keep children and unqualified people away from the
equipment.
When the motor cable between the AC motor drive and motor is too long, the layer insulation of
the motor may be damaged. Please use a frequency inverter duty motor or add an AC output
reactor to prevent damage to the motor. Refer to appendix B Reactor for details.
The rated voltage for the AC motor drive must be ≤ 240V (≤ 480V for 460V models) and the
mains supply current capacity must be ≤ 5000A RMS (≤10000A RMS for the ≥ 40hp (30kW)
models).
6.
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Table of Contents
Table of Contents...........................................................................................iii
Chapter 1 Introduction.................................................................................1-1
1.1 Receiving and Inspection.................................................................... 1-1
1.4 Storage............................................................................................... 1-4
Chapter 2 Installation and Wiring ...............................................................2-1
2.3 Dimensions......................................................................................... 2-3
2.4.1 Basic Wiring.............................................................................. 2-17
2.4.2 External Wiring.......................................................................... 2-21
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Chapter 3 Start Up........................................................................................3-1
3.2 Operation Method............................................................................... 3-2
3.3 Trial Run............................................................................................. 3-2
7.6 Overload............................................................................................. 7-4
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Appendix B Accessories ............................................................................B-1
B.2 EMI Filters ..........................................................................................B-3
B.2.1 Dimensions.................................................................................B-6
B.3 AC Reactor.......................................................................................B-10
B.6 Din Rail-DR01 ..................................................................................B-17
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Appendix D CE ............................................................................................D-1
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Chapter 1 Introduction
1.1 Receiving and Inspection
This VFD-S AC motor drive has gone through rigorous quality control tests at the factory before
shipment. After receiving the AC motor drive, please check for the following:
ꢀ
Check to make sure that the package includes an AC motor drive, the User
Manual/Quick Start and CD, dust covers and rubber bushings.
Inspect the unit to assure it was not damaged during shipment.
Make sure that the part number indicated on the nameplate corresponds with the part
number of your order.
ꢀ
ꢀ
1.1.1 Nameplate Information
Example for 1HP/0.75kW 3-phase 230V AC motor drive
AC Drive Model
Input Spec.
MODEL
:
VFD007S23A
INPUT : 3PH 200-240V 50/60Hz 5.1A
OUTPUT : 3PH 0-240V 4.2A 1.6kVA 0.75kW/1HP
Frequency Range : 1-400Hz
Output Spec.
Output Frequency Range
Serial Number & Bar Code
007S23A0T7010001
MADE IN XXXXX
DELTA ELECTRONICS INC.
1.1.2 Model Explanation
VFD 007 S 23 A
Version Type
Input Voltage
11:Single phase 115V
21:Single phase 230V
23:Three phase 230V
43:Three phase 460V
S Series
Applicable motor capacity
002: 0.25HP(0.2kW)
004: 0.5HP(0.4kW)
007: 1 HP(0.7kW)
022: 3 HP(2.2kW)
Series Name
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Chapter 1 Introduction|VFD-S Series
1.1.3 Series Number Explanation
007S23A 0T 6 01
Production number
Production week
Production year 2006
Production factory
(Taoyuan)
230V 3-phase 1HP(0.75kW)
Model
If the nameplate information does not correspond to your purchase order or if there are
any problems, please contact your distributor.
1.1.4 Drive Frames
Frame
Power range
Models
VFD002S11A/11B/21A/21B/21E/23A,
0.25-2hp
S1
VFD004S11A/11B/21A/21B/21E/23A/43A/43B/43E,
VFD007S21A/21B/21E/23A/43A/43B/43E, VFD015S23D
VFD007S11A/11B, VFD015S21D/21E/21U/43D/43E/43U,
VFD022S21D/21E/21U/23D/43D/43E/43U
(0.2-1.5kW)
1-5hp
S2
(0.75-3.7kW)
Please refer to Chapter 2.3 for exact dimensions.
1.2 Appearances
VFD002S11A/11B/21A/21B/23A,
Frame S1: VFD002S21E, VFD004S21E,
VFD004S11A/11B/21A/21B/23A/43A/43B/43E, VFD007S21E, VFD015S23D,
VFD007S21A/21B/23A/43A/43B/43E,
Frame S2: VFD007S11A/11B,
VFD015S21D/21E/21U/43D/43E/43U,
VFD022S21D/21E/21U/23D/43D/43E/43U
1-2
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Chapter 1 Introduction|VFD-S Series
1.3 Installation Steps
KNOB
COVER
CASE
HEAT SINK
SCREW
DIVISION
PLATE
Installation Steps
1.
2.
Remove front cover screw and open.
Remove Division Plate. If using optional
conduit bracket, please refer to next
page.
3.
4.
Connect AC Input Power and motor leads.
Never connect the AC drive output
terminals U/T1, V/T2, W/T3 to main AC
Input power.
Reinstall Division Plate.
SCREW
SCREW
For Optional Conduit Bracket:
Make sure to fasten both screws on conduit
bracket as shown in the drawing for safety
grounding purpose. Bring all the wires out
through the conduit bracket.
Screw Torque: 5 to 6 kgf-cm (4.3 to 5.2 in-lbf)
CONDUIT
BRACKET
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Chapter 1 Introduction|VFD-S Series
SCREW
DIVISION
PLATE
Reinstall Division Plate.
Screw Torque: 5 to 6 kgf-cm (4.3 to 5.2 in-lbf)
CONDUIT
BRACKET
SCREW
SCREW
Install Conduit Bracket cover and tighten screws.
1.4 Storage
The AC motor drive should be kept in the shipping carton or crate before installation. In order to
retain the warranty coverage, the AC motor drive should be stored properly when it is not to be used
for an extended period of time. Storage conditions are:
Store in a clean and dry location free from direct sunlight or corrosive fumes.
Store within an ambient temperature range of -20 °C to +60 °C.
Store within a relative humidity range of 0% to 90% and non-condensing environment.
Store within an air pressure range of 86kPa to 106kPa.
CAUTION!
1.
2.
DO NOT store in an area with rapid changes in temperature. It may cause condensation and
frost.
DO NOT place on the ground directly. It should be stored properly. Moreover, if the surrounding
environment is humid, you should put exsiccator in the package.
1-4
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Chapter 1 Introduction|VFD-S Series
3.
4.
If the AC motor drive is stored for more than 3 months, the temperature should not be higher
than 30 °C. Storage longer than one year is not recommended, it could result in the degradation
of the electrolytic capacitors.
When the AC motor drive is not used for a long time after installation on building sites or places
with humidity and dust, it’s best to move the AC motor drive to an environment as stated above.
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Chapter 1 Introduction|VFD-S Series
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1-6
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Chapter 2 Installation and Wiring
2.1 Ambient Conditions
Install the AC motor drive in an environment with the following conditions:
Operation
Air Temperature:
-10 ~ +50°C (14 ~ 122°F)
-10 ~ +40°C (14 ~ 104°F) for side-by-side
mounting
Relative Humidity:
Atmosphere pressure:
Installation Site Altitude:
Vibration:
<90%, no condensation allowed
86 ~ 106 kPa
<1000m
<20Hz: 9.80 m/s2 (1G) max
20 ~ 50Hz: 5.88 m/s2 (0.6G) max
Storage
Transportation
Temperature:
-20°C ~ +60°C (-4°F ~ 140°F)
<90%, no condensation allowed
86 ~ 106 kPa
Relative Humidity:
Atmosphere pressure:
Vibration:
<20Hz: 9.80 m/s2 (1G) max
20 ~ 50Hz: 5.88 m/s2 (0.6G) max
Pollution Degree
2: good for a factory type environment.
CAUTION!
1.
2.
Operating, storing or transporting the AC motor drive outside these conditions may cause
damage to the AC motor drive.
Failure to observe these precautions may void the warranty!
2.2 Installation
1.
2.
3.
4.
Mount the AC motor drive vertically on a flat vertical surface by using bolts or screws. Other
directions are not allowed.
The AC motor drive will generate heat during operation. Allow sufficient space around the unit
for heat dissipation.
The heat sink temperature may rise to 90°C when running. The material on which the AC motor
drive is mounted must be noncombustible and be able to withstand this high temperature.
When the AC motor drive is installed in a confined space (e.g. cabinet), the surrounding
temperature must be within 10 ~ 40°C with good ventilation. DO NOT install the AC motor drive
in a space with bad ventilation.
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Chapter 2 Installation and Wiring|VFD-S Series
5.
When installing multiple AC motor drives in the same cabinet, they should be adjacent in a row
with enough space. When installing one AC motor drive below another one, use a metal
separation barrier between the AC motor drives to prevent mutual heating. Refer to figure below
for details.
6.
Prevent fiber particles, scraps of paper, saw dust, metal particles, etc. from adhering to the
heatsink.
Mounting Clearances
150mm
(6inch)
Air Flow
150mm
(6inch)
2-2
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Chapter 2 Installation and Wiring|VFD-S Series
2.3 Dimensions
(Dimensions are in millimeter and [inch])
Frame S1: VFD002S11A, VFD002S21A, VFD002S23A
85.0 [3.35]
74.0 [2.92]
5.8 [0.23]
88.0 [3.47]
13.0 [0.51]
5.0 [0.20]
5.0 [0.20]
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S1: VFD002S11B, VFD002S21B
85 .0 [3 .3 5]
74 .0 [2 .9 2]
5. 8 [0. 23 ]
88 .0 [3 .4 7]
13 .0 [0 .5 1]
73 .0 [2 .8 8]
67 .8 [2 .6 7]
5. 0 [0. 20 ]
13 .0 [0 .5 1]
5. 0 [0. 20 ]
2-4
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S1: VFD004S11A, VFD004S21A, VFD004S23A
85 .0 [3 .3 5]
74 .0 [2 .9 2]
5. 8 [0. 23 ]
10 2. 0 [4. 02]
2. 8 [0. 11 ]
5. 0 [0. 20 ]
5. 0 [0. 20 ]
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S1: VFD004S11B, VFD004S21B
85 .0 [3 .3 5]
74 .0 [2 .9 2]
5. 8 [0. 23 ]
10 2. 0 [4. 02]
2. 8 [0. 11 ]
73 .0 [2 .8 8]
67 .8 [2 .6 7]
5. 0 [0. 20 ]
27 .0 [1 .0 6]
5. 0 [0. 20 ]
2-6
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S1: VFD007S21A, VFD007S23A
85 .0 [3 .3 5]
74 .0 [2 .9 2]
5. 8 [0. 23 ]
12 4. 0 [4. 89]
2. 8 [0. 11 ]
5. 0 [0. 20 ]
5. 0 [0. 20 ]
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S1: VFD007S21B
85 .0 [3 .3 5]
74 .0 [2 .9 2]
5. 8 [0. 23 ]
12 4. 0 [ 4. 89]
2. 8 [0. 11 ]
67 .8 [2 .6 7]
50 .0 [1 .9 7]
73 .0 [2 .8 8]
5. 0 [0. 20 ]
5. 0 [0. 20 ]
2-8
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S1: VFD004S43A, VFD004S43E, VFD007S43A, VFD007S43E
85 .0 [3 .3 5]
74 .0 [2 .9 2]
5. 8 [0. 23 ]
12 6. 0 [4. 96]
3. 0 [0. 12 ]
5. 0 [0. 20 ]
5. 0 [0. 20 ]
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S1: VFD004S43B, VFD007S43B
85 .0 [3 .3 5]
74 .0 [2 .9 2]
5. 8 [0. 23 ]
12 6. 0 [4. 96]
3. 0 [0. 12 ]
73 .0 [2 .8 8]
67 .8 [2 .6 7]
5. 0 [0. 20 ]
51 .0 [2 .0 1]
5. 0 [0. 20 ]
2-10
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S1: VFD002S21E, VFD004S21E, VFD007S21E, VFD015S23D
85 .0 [3 .3 5]
74 .0 [2 .9 2]
5. 8 [0. 23 ]
12 7. 0 [5. 00]
8. 5 [0. 33 ]
5. 0 [0. 20 ]
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S2: VFD007S11A
10 0. 0 [3. 94]
86 .5 [3 .4 1]
5. 4 [0. 21 ]
12 9. 0 [5. 08]
5. 5 [0. 22 ]
5. 5 [0. 22 ]
2-12
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S2: VFD007S11B
10 0. 0 [3. 94]
86 .5 [3 .4 1]
5. 4 [0. 21 ]
12 9. 0 [5. 08]
73 .0 [2 .8 8]
67 .8 [2 .6 7]
5. 5 [0. 22 ]
53 .5 [2 .11]
5. 5 [0. 22 ]
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S2: VFD015S21D, VFD015S21E, VFD015S43D, VFD015S43E, VFD022S21D,
VFD022S21E, VFD022S23D, VFD022S43D, VFD022S43E
10 0. 0 [3. 94]
86 .5 [3 .4 1]
5. 4 [0. 21 ]
12 9. 3 [5. 09]
8. 5 [0. 33 ]
5. 5 [0. 22 ]
5. 5 [0. 22 ]
2-14
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Chapter 2 Installation and Wiring|VFD-S Series
Frame S2: VFD015S21U, VFD015S43U, VFD022S21U, VFD022S43U
5.4 [0.21]
129.3 [5.09]
8.5 [0.33]
100.0 [3.94]
86.5 [3.41]
67.8 [2.67]
53.9 [2.12]
73.0 [2.88]
5.5 [0.22]
5.5 [0.22]
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Chapter 2 Installation and Wiring|VFD-S Series
2.4 Wiring
After removing the front cover, check if the power and control terminals are clear of debris. Be sure
to observe the following precautions when wiring.
ꢀ
General Wiring Information
Applicable Codes
All VFD-S series are Underwriters Laboratories, Inc. (UL) and Canadian Underwriters
Laboratories (cUL) listed, and therefore comply with the requirements of the National
Electrical Code (NEC) and the Canadian Electrical Code (CEC).
Installation intended to meet the UL and cUL requirements must follow the instructions
provided in “Wiring Notes” as a minimum standard. Follow all local codes that exceed UL
and cUL requirements. Refer to the technical data label affixed to the AC motor drive and
the motor nameplate for electrical data.
The "Line Fuse Specification" in Appendix B, lists the recommended fuse part number
for each S-Series part number. These fuses (or equivalent) must be used on all
installations where compliance with U.L. standards is a required.
2-16
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Chapter 2 Installation and Wiring|VFD-S Series
2.4.1 Basic Wiring
ꢀ
Make sure that power is only applied to the R/L1, S/L2, T/L3 terminals. Failure to comply
may result in damage to the equipment. The voltage and current should lie within the
range as indicated on the nameplate.
ꢀ
Check the following items after completing the wiring:
1. Are all connections correct?
2. No loose wires?
3. No short-circuits between terminals or to ground?
A charge may still remain in the DC bus capacitors with hazardous voltages even if the
power has been turned off. To prevent personal injury, please ensure that the power is
turned off and wait ten minutes for the capacitors to discharge to safe voltage levels
before opening the AC motor drive.
DANGER!
1.
2.
3.
All the units must be grounded directly to a common ground terminal to prevent electric shock,
fire and interference.
Only qualified personnel familiar with AC motor drives are allowed to perform installation, wiring
and commissioning.
Make sure that the power is off before doing any wiring to prevent electric shocks.
Basic Wiring Diagrams
Users must connect wires according to the circuit diagrams on the following pages. Do not plug a
modem or telephone line to the RS-485 communication port or permanent damage may result.
Terminals 1 & 2 are the power supply for the optional copy keypad only and should not be used for
RS-485 communication.
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Chapter 2 Installation and Wiring|VFD-S Series
For VFDXXXSXXA/B/D/U
Main Circuit Power
E
NFB
R/L1
S/L2
T/L3
R/L1
S/L2
T/L3
17V
SA
Recommended Circuit
RB
RC
Grounding resistance
less than 100
when power supply
is turned OFF by a
fault output
MC
ON
OFF
MC
17V
4.7k
17V
17V
17V
17V
17V
4.7k
4.7k
4.7k
4.7k
4.7k
47K
2-18
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Chapter 2 Installation and Wiring|VFD-S Series
For VFDXXXSXXE
NPN (sink mode)
Braking resistor (optional)
Jumper
select 80
400
Ω
120W, 200
Ω
120W
Ω
120W
Main Circuit Power
B2
AC Motor
+1
+2/B1
E
U/T1
NFB
R/L1
S/L2
T/L3
IM
3~
R/L1
S/L2
T/L3
V/T2
W/T3
E
+17V
Grounding resistance
SA
CPU
2.4
Ω
less than 100
Recommended Circuit
when power supply
is turned OFF by a
RB
RC
MC
Potentiometer(1K
Ω
)
Ω
AFM
47
Ω
ON
OFF
fault output
MC
Analog output
DC 0 10V
+
Factory default
Forward/Stop
47K
Ω
～
17V
M0
M1
M2
-
11V
Factory default: indicate
output frequency
Reverse/Stop
Reset
GND
RA
NPN
PNP
Multi-function indication
output contacts below
120VAC/24VDC 5A
Multi-step 1
Multi-step 2
Multi-step 3
M3
M4
M5
RB
RC
J2
Factory default:
indicates malfunction
Comm. signal (sink)
GND
E
Mo1
Multi-function Photocoupler
output below 48VDC 50mA
Factory default: Indicates
during operation
+10V 10mA
(MAX)
Analog voltage
10VDC
Potentiometer
3
0
～
1
2
2
MCM
Pot.
3K～5KΩ
AVI
RJ-11
3
Ω
RJ-11 communication port with
RS-485 serial interface
47KΩ
1
Analog current
250
1:17V
2:GND
3:SG-
4:SG+
GND
6
←
1
Factory default: output freq. (Pot.)
determined by the Potentiometer
on the control panel.
Main circuit (power) terminals
Control circuit terminals
Shielded leads
NOTE: Do not plug in a Modem or telephone line to the RS-485 communication
port, permanent damage may result. Terminal 1 & 2 are the power
sources for the optional copy keypad and should not be used while
using RS-485 communication.
* If it is single phase model, please select any of the two input power
terminals in main circuit power.
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Chapter 2 Installation and Wiring|VFD-S Series
For VFDXXXSXXE
PNP (source mode)
Braking resistor (optional)
Jumper
select 80
400
Ω
120W, 200
Ω
120W
Ω
120W
Main Circuit Power
+2/B1
B2
+1
E
NFB
AC Motor
R/L1
S/L2
T/L3
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
E
IM
3~
+17V
SA
Recommended Circuit
when power supply
is turned OFF by a
fault output
Grounding resistance
RB
RC
CPU
2.4
MC
Ω
less than 100
ON
OFF
MC
Potentiometer(1K
Ω
)
Ω
AFM
47Ω
Common signal (source)
Analog output
DC 0 10V
+
47K
Ω
～
17V 20mA
M0
-
11V
Forward/Stop
Reverse/Stop
Factory default: indicate
output frequency
GND
RA
M1
Reset
M2
NPN
PNP
Multi-function indication
output contacts below
120VAC/24VDC 5A
Multi-step 1
Multi-step 2
Multi-step 3
M3
RB
RC
J2
M4
Factory default:
M5
indicates malfunction
GND
E
Mo1
Multi-function Photocoupler
output below 48VDC 50mA
Factory default: Indicates
during operation
+10V 10mA
(MAX)
Analog voltage
10VDC
Potentiometer
3
0
～
1
2
2
MCM
Pot.
3K～5KΩ
AVI
RJ-11
3
Ω
RJ-11 communication port with
RS-485 serial interface
47KΩ
1
Analog current
250
1:17V
2:GND
3:SG-
4:SG+
GND
6
←
1
Factory default: output freq. (Pot.)
determined by the Potentiometer
on the control panel.
Main circuit (power) terminals
Control circuit terminals
Shielded leads
NOTE: Do not plug in a Modem or telephone line to the RS-485 communication
port, permanent damage may result. Terminal 1 & 2 are the power
sources for the optional copy keypad and should not be used while
using RS-485 communication.
* If it is single phase model, please select any of the two input power
terminals in main circuit power.
2-20
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Chapter 2 Installation and Wiring|VFD-S Series
2.4.2 External Wiring
Power Supply
Items
Power
Explanations
Please follow the specific power
supply requirements shown in
Appendix A.
supply
FUSE/NFB
There may be an inrush current
during power up. Please check the
chart of Appendix B and select the
correct fuse with rated current. Use of
an NFB is optional.
Fuse/NFB
(Optional)
Magnetic
contactor
Please do not use a Magnetic
Magnetic
contactor
(Optional)
Input AC
Line Reactor
contactor as the I/O switch of the AC
motor drive, as it will reduce the
operating life cycle of the AC drive.
Zero-phase
Reactor
Used to improve the input power
factor, to reduce harmonics and
provide protection from AC line
disturbances. (surges, switching
spikes, short interruptions, etc.). AC
line reactor should be installed when
the power supply capacity is 500kVA
or more and exceeds 6 times the
inverter capacity, or the mains wiring
EMI Filter
S/L2
Input AC
Line Reactor
(Optional)
R/L1
T/L3
DC
Choke
+1
+2/B1
B2
Braking
Resistor
distance
10m.
≤
Zero phase reactors are used to
reduce radio noise especially when
audio equipment is installed near the
inverter. Effective for noise reduction
on both the input and output sides.
Attenuation quality is good for a wide
range from AM band to 10MHz.
Appendix B specifies the zero phase
reactor. (RF220X00A)
U/T1
V/T2
W/T3
Zero-phase
Reactor
(Ferrite Core
Common
Choke)
Zero-phase
Reactor
Output AC
Line Reactor
(Optional)
To reduce electromagnetic
interference, please refer to Appendix
B for more details.
EMI filter
(Optional)
Motor
Used to reduce the deceleration time
of the motor. Please refer to the chart
in Appendix B for specific brake
resistors.
Brake
resistor
(Optional)
Motor surge voltage amplitude
Output AC
Line Reactor
(Optional)
depends on motor cable length. For
applications with long motor cable
(>20m), it is necessary to install a
reactor at the inverter output side.
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Chapter 2 Installation and Wiring|VFD-S Series
2.4.3 Main Terminals Connections
Terminal Symbol
Explanation of Terminal Function
AC line input terminals (3-phase)
AC line input terminals (1-phase)
R/L1, S/L2, T/L3
L/L1, N/L2
AC drive output terminals for connecting 3-phase
induction motor
U/T1, V/T2, W/T3
+2/B1, B2
+2/B1, +1
Connections for Brake resistor (optional)
Connections for DC Link Reactor (optional)
Earth connection, please comply with local regulations.
Mains power terminals (R/L1, S/L2, T/L3 and L/L1, N/L2)
ꢀ
ꢀ
ꢀ
Connect these terminals via a non-fuse breaker or earth leakage breaker to 3-phase AC
power (some models to 1-phase AC power) for circuit protection. It is unnecessary to
consider phase-sequence.
It is recommended to add a magnetic contactor (MC) in the power input wiring to cut off
power quickly and reduce malfunction when activating the protection function of AC
motor drives. Both ends of the MC should have an R-C surge absorber.
Do NOT run/stop AC motor drives by turning the power ON/OFF. Run/stop AC motor
drives by RUN/STOP command via control terminals or keypad. If you still need to
run/stop AC drives by turning power ON/OFF, it is recommended to do so only ONCE
per hour.
ꢀ
Do NOT connect 3-phase models to a 1-phase power source.
Control circuit terminals (U/T1, V/T2, W/T3)
ꢀ
When the AC drive output terminals U/T1, V/T2, and W/T3 are connected to the motor
terminals U/T1, V/T2, and W/T3, respectively, the motor will rotate counterclockwise (as
viewed on the shaft end of the motor) when a forward operation command is received.
To permanently reverse the direction of motor rotation, switch over any of the two motor
leads.
Forward
running
2-22
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Chapter 2 Installation and Wiring|VFD-S Series
DO NOT connect phase-compensation capacitors or surge absorbers at the output
terminals of AC motor drives.
ꢀ
ꢀ
With long motor cables, high capacitive switching current peaks can cause over-current,
high leakage current or lower current readout accuracy. To prevent this, the motor cable
should be less than 20m for 3.7kW models and below. And the cable should be less than
50m for 5.5kW models and above. For longer motor cables use an AC output reactor.
Use a well-insulated motor, suitable for inverter operation.
ꢀ
Terminals [+2/B1, +1] for connecting DC reactor
ꢀ
This is the connector for the DC reactor to improve the power factor. Please remove the
short jumper when connecting DC reactor.
Terminals [+2/B1, B2] for connecting brake resistor
BR
+2/B1
B2
ꢀ
ꢀ
Connect a brake resistor in applications with frequent deceleration ramps, short
deceleration time, too low braking torque or requiring increased braking torque.
When not used, please leave the terminals [+2/B1, B2] open.
WARNING!
Short-circuiting [+2/B1, B2] can damage the AC motor drive.
Grounding terminals (
)
ꢀ
Make sure that the leads are connected correctly and the AC drive is properly grounded.
Ω
(Ground resistance should not exceed 0.1 .)
ꢀ
ꢀ
Use ground leads that comply with local regulations and keep them as short as possible.
Multiple VFD-S units can be installed in one location. All the units should be grounded
directly to a common ground terminal, as shown in the figure below. Ensure there are
no ground loops.
not allowed
excellent
good
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Chapter 2 Installation and Wiring|VFD-S Series
2.4.4 Control Terminals
Control Terminal Wiring (Factory Setting)
A. XXXSXXA/B/D/U
+
10V AVI AFM M0 M1 M2 M3 M4 M5GND
RA
RB
Relay contactor output
Factory setting : Fault indication
RC
MO1
MCM
Photo coupler output
Operation freq.
setting
potentiometer
VR : 3K~5K
Factory setting : in work
Corrector
potentiometer
VR : 1K~5K
RJ11
RS485 Communication port
Multi-step speed 3
Multi-step speed 2
Multi-step speed 1
6 ~ 1
Reset
Reverse/Stop
Forward/Stop
Freq. meter
0~10 VDC
Full scale voltmeter
Wire Gauge: 24-12 AWG
Wire Type: Copper Only
Torque: 4 kgf-cm (3.5 in-lbf)
B. XXXSXXE
*
*
Multi-step speed 3
Wire Gauge: 24-16 AWG
Wire Type: Copper Only
Torque: 2 kgf-cm (1.7 in-lbf)
Terminal symbols and functions
Terminal
Factory Settings (NPN mode)
ON: Connect to GND
Terminal Function
Symbol
Refer to Pr.4-04 to Pr.4-08 for programming the
Multi-function Inputs.
ON: the activation current is 16mA.
M0
M1
Multi-function auxiliary input
Multi-function input 1
μ
OFF: leakage current tolerance is 10 A.
M2
M3
Multi-function input 2
Multi-function input 3
2-24
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Chapter 2 Installation and Wiring|VFD-S Series
Terminal
Symbol
Factory Settings (NPN mode)
ON: Connect to GND
Terminal Function
M4
M5
Multi-function input 4
Multi-function Input 5
+17V
GND
DC Voltage Source
+17VDC, 20mA used for PNP mode.
Common for digital inputs and used for NPN
mode.
Digital Signal Common
AFM circuit
AFM
0~10V
ondometer
Max. 2mA
AFM
RA
Analog output meter
GND
Internal Circuit
Multi-function Relay output
(N.O.) a
Resistive Load:
5A(N.O.)/3A(N.C.) 240VAC
5A(N.O.)/3A(N.C.) 24VDC
Inductive Load:
1.5A(N.O.)/0.5A(N.C.) 240VAC
1.5A(N.O.)/0.5A(N.C.) 24VDC
Refer to Pr.3-06 for programming
Multi-function Relay output
(N.C.) b
RB
RC
Multi-function Relay common
Maximum 48VDC, 50mA
Refer to Pr.3-01 for programming
Max: 48Vdc
MO1-DCM
50mA
Mo1
Multi-function Output 1
(Photocoupler)
MO1
MCM
internal circuit
MCM
+10V
Multi-function output common Max. 48Vdc 50mA
Potentiometer power supply
+10VDC 10mA (variable resistor: 3~5kohm)
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Chapter 2 Installation and Wiring|VFD-S Series
Terminal
Factory Settings (NPN mode)
ON: Connect to GND
Terminal Function
Symbol
0~+10V/4-20mA corresponds to 0-max.
operation frequency (Pr.01-00)
PID feedback signal
AVI input impedance: 100kohm
ACI input impedance: 250kohm
AVI
AVI circuit
+10V
ACI
J1
Analog voltage Input
AVI
(AVI/ACI)
AVI
GND
Internal Circuit
AVI
ACI circuit
ACI
ACI
J1
GND
Internal Circuit
Control signal wiring size: 18 AWG (0.75 mm2) with shielded wire.
Analog input terminals (AVI, GND)
ꢀ
ꢀ
Analog input signals are easily affected by external noise. Use shielded wiring and keep
it as short as possible (<20m) with proper grounding. If the noise is inductive, connecting
the shield to terminal GND can bring improvement.
If the analog input signals are affected by noise from the AC motor drive, please connect
μ
a capacitor (0.1 F and above) and ferrite core as indicated in the following diagrams:
AVI
C
GND
ferrite core
wind each wires 3 times or more around the core
Digital inputs (M0~M5, GND)
ꢀ
When using contacts or switches to control the digital inputs, please use high quality
components to avoid contact bounce.
2-26
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Chapter 2 Installation and Wiring|VFD-S Series
Digital outputs (MO1, MCM)
ꢀ
ꢀ
Make sure to connect the digital outputs to the right polarity, see wiring diagrams.
When connecting a relay to the digital outputs, connect a surge absorber or fly-back
diode across the coil and check the polarity.
General
ꢀ
Keep control wiring as far as possible from the power wiring and in separate conduits to
avoid interference. If necessary let them cross only at 90º angle.
The AC motor drive control wiring should be properly installed and not touch any live
power wiring or terminals.
ꢀ
NOTE
ꢀ
If a filter is required for reducing EMI (Electro Magnetic Interference), install it as close as
possible to AC drive. EMI can also be reduced by lowering the Carrier Frequency.
When using a GFCI (Ground Fault Circuit Interrupter), select a current sensor with
sensitivity of 200mA, and not less than 0.1-second detection time to avoid nuisance
tripping.
ꢀ
DANGER!
Damaged insulation of wiring may cause personal injury or damage to circuits/equipment if it comes
in contact with high voltage.
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Chapter 2 Installation and Wiring|VFD-S Series
2.4.5 Main Circuit Terminals
VFD002S11A/11B, VFD004S11A/11B
Power terminal
AC Input Line
Terminal
Motor
Connection
Ground Braking Resistor
Power Terminal:
Torque: 12 kgf-cm (10 lbf-in)
Wire Gauge: 14-20 AWG (2.1-0.5mm2)
Wire Type: Copper only, 75oC
2-28
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Chapter 2 Installation and Wiring|VFD-S Series
VFD002S21B/23A, VFD004S21B/23A/43A/43B/43E, VFD007S21B/23A/43A/43B/43E,
VFD015S23D
Power terminal
AC Input Line
Terminal
Motor
Connection
Braking
Resistor
Ground
DC Reactor
Power Terminal:
Torque: 12 kgf-cm (10 lbf-in)
Wire Gauge: 14-20 AWG (2.1-0.5mm2)
Wire Type: Copper only, 75oC
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Chapter 2 Installation and Wiring|VFD-S Series
VFD002S21A/E, VFD004S21A/E, VFD007S21A/E
Power terminal
AC Input Line
Motor
Terminal
Connection
Braking
Resistor
Ground
DC Reactor
Power Terminal:
Torque: 12 kgf-cm (10 lbf-in)
Wire Gauge: 14-20 AWG (2.1-0.5mm2)
Wire Type: Copper only, 75oC
2-30
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Chapter 2 Installation and Wiring|VFD-S Series
VFD007S11A/B
Power terminal
AC Input Line
Motor
Terminal
Connection
Ground Braking Resistor
Power Terminal:
Torque: 20 kgf-cm (17.4 lbf-in)
Wire Gauge: 10-18 AWG (5.3-0.8mm2)
Wire Type: stranded copper only, 75oC
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Chapter 2 Installation and Wiring|VFD-S Series
VFD015S21U/43D/43E/43U, VFD022S21U/23D/43D/43E/43U
Power terminal
AC Input Line
Ter minal
Motor
Connection
Braking
Resistor
Ground
DC Reactor
Power Terminal:
Torque: 20 kgf-cm (17.4 lbf-in)
Wire Gauge: 10-18 AWG (5.3-0.8mm2)
Wire Type: stranded copper only, 75oC
2-32
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Chapter 2 Installation and Wiring|VFD-S Series
VFD015S21D/E, VFD022S21D/E
Power terminal
AC Input Line
Motor
Ter minal
Connection
Braking
Resistor
Ground
DC Reactor
Power Terminal:
Torque: 20 kgf-cm (17.4 lbf-in)
Wire Gauge: 10-18 AWG (5.3-0.8mm2)
Wire Type: stranded copper only, 75oC
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Chapter 3 Start Up
3.1 Preparations before Start-up
Carefully check the following items before proceeding.
ꢀ
Make sure that the wiring is correct. In particular, check that the output terminals U/T1,
V/T2, W/T3 are NOT connected to power and that the drive is well grounded.
Verify that there are no short-circuits between terminals and from terminals to ground or
mains power.
ꢀ
ꢀ
ꢀ
ꢀ
Check for loose terminals, connectors or screws.
Verify that no other equipment is connected to the AC motor.
Make sure that all switches are OFF before applying power to ensure that the AC motor
drive doesn’t start running and there is no abnormal operation after applying power.
Make sure that the front cover is correctly installed before applying power.
Do NOT operate the AC motor drive with humid hands.
ꢀ
ꢀ
ꢀ
Check the following items after applying power: The display without digital keypad should
be as following.
-The keypad should light up as follows (normal status with no error)
RUN
FWD
REV
STOP
When power is ON,
LEDs “STOP” and “FWD”
should light up. The
display will show “F60.0”.
STOP/RESET
RUN
MIN. MAX.
MODE
PROG
DATA
- If the drive has built-in fan, it should run.
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Chapter 3 Start Up| VFD-S Series
3.2 Operation Method
Refer to 4.2 How to operate the digital keypad and chapter 5 parameters for setting. Please choose
a suitable method depending on application and operation rule. The operation is usually done as
shown in the following table.
Operation Command
Operation Method
Keypad
Frequency Source
Source
STOP/RESET
RUN
MI2
Parameter
setting:
4-05=10
4-06=11
External terminals
input:
MI3
Operate from
external signal
M0-GND
GND
M1-GND
AVI, ACI
3.3 Trial Run
After finishing checking the items in “3.1 preparation before start-up”, you can perform a trial run.
1. After applying power, verify that the display shows “F60.0”.
2. Setting frequency to about 5Hz by using
key.
RUN
3. Pressing
key for forward running. And if you want to change to reverse running, you
should press
key in
key.
4. Check following items:
page. And if you want to decelerate to stop, please
STOP/RESET
press
ꢀ
ꢀ
ꢀ
Check if the motor direction of rotation is correct.
Check if the motor runs steadily without abnormal noise and vibration.
Check if acceleration and deceleration are smooth.
If the results of trial run are normal, please start the formal run.
3-2
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Chapter 3 Start Up| VFD-S Series
NOTE
1. Stop running immediately if any fault occurs and refer to the troubleshooting guide for solving the
problem.
2. Do NOT touch output terminals U/T1, V/T2, W/T3 when power is still applied to R/L1, S/L2, T/L3
even when the AC motor drive has stopped. The DC-link capacitors may still be charged to
hazardous voltage levels, even if the power has been turned off.
3. To avoid damage to components, do not touch them or the circuit boards with metal objects or
your bare hands.
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Chapter 4 Digital Keypad Operation
4.1 Description of the Digital Keypad
LED Display
LED indication
Light during RUN,
STOP, FWD and
REV operation.
Indicate frequency, motor
parameter setting value
and alarm contents.
RUN
FWD
REV
STOP
RUN Key
Start inverter drive operation.
STOP/RESET Key
Potentiometer for
frequency setting.
Could be the Master
Frequency input
Stop inverter drive operation
and reset the inverter after
faults occurred.
STOP/RESET
RUN
by setting Pr.2-00.
PROG/DATA Key
Set the different parameters
and enter information.
MIN. MAX.
MODE
Mode Key
PROG
DATA
UP and DOWN Key
Sets the parameter number
or changes the numerical
data such as the freq.
reference.
Change between
different display
modes.
4.2 Explanation of LED Indicators
Stop AC drive when STOP
button has been pressed.
RUN
FWD
REV
STOP
REV LED lights during reverse operation.
FWD LED lights during forward operation.
RUN LED lights during RUN operation.
4.3 Explanations of Display Messages
Display Message
Descriptions
Displays the AC drive Master Frequency.
Displays the actual output frequency at terminals U/T1, V/T2, and W/T3.
User defined unit (where U = F x Pr.00.05)
Displays the output current at terminals U/T1, V/T2, and W/T3.
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Chapter 4 Digital Keypad Operation|VFD-S Series
Display Message
Descriptions
The internal PLC process step currently being performed.
Displays the DC-BUS voltage
Displays the output voltage
Displays the AC motor drive forward run status.
Displays the AC motor drive reverse run status.
The counter value (C).
Displays the selected group.
Displays the selected parameter.
Displays the actual stored value of the selected parameter.
Display “End” for approximately 0.5 second if input has been. After a
parameter value has been set, the new value is automatically stored in
memory. To modify an entry, use the
keys.
Display “Err”, if the input is invalid.
4-2
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Chapter 4 Digital Keypad Operation|VFD-S Series
4.4 How to Operate the Digital Keypad
Setting Mode
START
GO START
In the selection mode, press
Note：
to set the parameters.
Setting parameters
move down to the previous display
or
Success to
set parameter.
Input data error
move up to the previous display
NOTE
：
In the parameter setting mode, you can press
to return the selecting mode.
To shift data
START
Setting direction (When operation source is digital keypad)
or
or
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Chapter 5 Parameters
The VFD-S parameters are divided into 11 groups by property for easy setting. In most applications,
the user can finish all parameter settings before start-up without the need for re-adjustment during
operation.
The 11 groups are as follows:
Group 0: User Parameters
Group 1: Basic Parameters
Group 2: Operation Method Parameters
Group 3: Output Function Parameters
Group 4: Input Function Parameters
Group 5: Multi-Step Speed and PLC Parameters
Group 6: Protection Parameters
Group 7: Motor Parameters
Group 8: Special Parameters
Group 9: Communication Parameters
Group A: PID Parameters
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Chapter 5 Parameters|VFD-S Series
5.1 Summary of Parameter Settings
ꢀ: The parameter can be set during operation.
Group 0 User Parameters
Factory
Setting
d #
Pr.
Explanation
Settings
NOTE
0-00 Identity Code of the AC Motor Drive
0-01 Rated Current Display of the AC
Motor Drive
Read-only
Read-only
d##.#
0-02 Parameter Reset
d09: All parameters are reset to
factory settings (50Hz,
220V/380V)
d0
d10: All parameters are reset to
factory settings (60Hz,
220V/440V)
d0: Display the frequency command
value (LED F)
d1: Display the actual output
frequency (LED H)
ꢀ0-03 Start-up Display Selection
d2: Multifunction display, see Pr.00-
04
d0
d3: Display output current (LED A)
d4: Display forward/reverse
command (Frd/rEv)
d0: Display User-Defined Unit (u)
d1: Display Counter Value (C)
d2: Display Process Operation (1.tt)
d3: Display DC-BUS Voltage (u )
d4: Display output voltage (E)
d5: Display frequency commands of
PID (P)
ꢀ0-04 Content of Multi-Function Display
d0
d6: Display analog feedback signal
value (b) (%)
ꢀ0-05 User-Defined Coefficient K
0-06 Software Version
0-07 Password Input
d0.1 to d160
Read-only
d0 to d999
d1.0
d#.#
d0
0-08 Password Set
d0 to d999
d0
ꢀ0-09 Memory Mode Selections
d0 to d63
d8
Group 1 Basic Parameters
Factory
Setting
Pr.
Explanation
Settings
NOTE
1-00 Maximum Output Frequency (Fmax)
d50.0 to d400 Hz
d60.0
1-01 Maximum Voltage Frequency (Fbase) d10.0 to d400 Hz
d60.0
d220
d440
d1.0
d12
230V series: d2.0V to d255V
460V series: d4.0V to d510V
d1.0 to d400 Hz
1-02 Maximum Output Voltage (Vmax)
1-03 Mid-Point Frequency (Fmid)
1-04 Mid-Point Voltage (Vmid)
230V series: d2.0V to d255V
5-2
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Chapter 5 Parameters|VFD-S Series
Factory
Setting
Pr.
Explanation
Settings
NOTE
460V series: d4.0V to d510V
d1.0 to d60.0 Hz
d24
d1.0
1-05 Minimum Output Frequency (Fmin)
Minimum Output Voltage (Vmin)
230V series: d2.0V to d255V
460V series: d4.0V to d510V
d1 to d110%
d0 to d100%
d0.1 to d600 Sec
d0.1 to d600 Sec
d0.1 to d600 Sec
d0.1 to d600 Sec
d12.0
d24.0
d100
d0
d10.0
d10.0
d10.0
d10.0
d10.0
d6.0
1-06
1-07 Output Frequency Upper Limit
1-08 Output Frequency Lower Limit
ꢀ1-09 Accel Time 1
ꢀ1-10 Decel Time 1
ꢀ1-11 Accel Time 2
ꢀ1-12 Decel Time 2
ꢀ1-13 Jog Acceleration / Deceleration Time d0.1 to d600 Sec
ꢀ1-14 Jog Frequency
d1.0 Hz to d400 Hz
d0: Linear Accel/Decel
d1: Auto Accel, Linear Decel
d2: Linear Accel, Auto Decel
d3: Auto Accel/Decel (Set by load)
d4: Linear Accel; Auto Decel, Stall
Prevention during Decel
Auto acceleration / deceleration (refer
to Accel/Decel time setting)
1-15
d0
d5: Auto Accel/Decel, Stall
Prevention during Decel
1-16 Acceleration S-Curve
1-17 Deceleration S-Curve
d0 to d7
d0 to d7
d0
d0
d0.0 Jog Decelerating Time
Determined by Pr.1-13
d0.1 to d600
1-18 Jog Decelerating Time
d0.0
Group 2 Operation Method Parameters
Factory
Setting
Pr.
Explanation
Settings
NOTE
d0: Master Frequency input
determined by digital keypad.
(record the frequency of power
loss and it can do analog
overlap plus)
d1: Master Frequency determined
by analog signal DC 0V-10V
(external terminal AVI). (won’t
record the frequency of power
loss and it can’t do analog
overlap plus)
d2: Master Frequency determined
by analog signal DC 4mA -
20mA (external terminal AVI).
(won’t record the frequency of
power loss and it can’t do
analog overlap plus)
Source of Master Frequency
Command
2-00
d0
d3: Master Frequency determined
by Potentiometer on the digital
keypad. (won’t record the
frequency of power loss and it
can do analog overlap plus)
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Chapter 5 Parameters|VFD-S Series
Factory
Setting
Pr.
Explanation
Settings
NOTE
d4: Master Frequency operated by
RS-485 serial communication
interface and record frequency
of power loss. (record the
frequency of power loss and it
can do analog overlap plus)
d5: Master Frequency operated by
RS-485 serial communication
interface and won’t record
frequency before power loss.
(won’t record the frequency of
power loss and it can do analog
overlap plus)
Source of Master Frequency
Command
2-00
d0
d0: Digital Keypad
d1: External terminals. Keypad
STOP/RESET enabled.
d2: External terminals. Keypad
STOP/RESET disabled.
d3: RS-485 serial communication
(RJ-11) .Keypad STOP/RESET
enabled.
Source of Operation
Command
2-01
d0
d4: RS-485 serial communication
(RJ-11). Keypad STOP/RESET
disabled.
d0: STOP: ramp to stop; E.F.: coast
to stop
d1: STOP: coast to stop; E.F.: coast
to stop
2-02 Stop Method
d0
d3: 3KHz
d4: 4KHz
d5: 5KHz
d6: 6KHz
d7: 7KHz
2-03 PWM Carrier Frequency Selections
d10
d8: 8KHz
d9: 9KHz
d10: 10KHz
d0: Enable forward/reverse
operation
2-04 Motor Direction Control
d0
d0
d0
d1: Disable reverse operation
d0: Decelerate to 0 Hz
d1: Coast to stop and display “EF”
d2: Continue operation by last
frequency command
d0: Disable
d1: Enable + AVI
d2: Enable + ACI
2-05 Loss of ACI Signal
2-06 Analog Auxiliary Frequency Operation
Group 3 Output Function Parameters
5-4
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Chapter 5 Parameters|VFD-S Series
Factory
Setting
Pr.
Explanation
Settings
NOTE
d0: analog frequency meter
d1: analog current meter
3-00 Analog Output Signal
d0
ꢀ3-01 Analog Output Gain
3-02 Desired Frequency Attained
d1 to d200%
d1.0 to d400 Hz
d100
d1.0
3-03 Terminal Count Value
3-04 Preliminary Count Value
d0 to d999
d0 to d999
d0
d0
Multi-Function Output Terminal 1
(Photocoupler Output)
3-05
d0: No Function
d1
d1: AC Drive Operational
d2: Master Frequency Attained
d3: Zero Speed
d4: Over Torque Detection
d5: Base-Block (B.B.) Indication
d6: Low-Voltage Indication
d7: Operation Mode Indication
d8: Fault Indication
d9: Desired Frequency Attained
d10: PLC Program Running
d11: PLC Program Step Completed
d12: PLC Program Completed
d13: PLC Program Operation
Paused
Multi-Function Output Terminal 2
(Relay Output)
3-06
d8
d14: Terminal Count Value Attained
d15: Preliminary Count Value
Attained
d16: AC Motor Drive Ready
d17: FWD command Indication
d18: REV command Indication
Group 4 Input Function Parameters
Factory
Setting
d0.0
Pr.
Explanation
Settings
NOTE
ꢀ4-00 Potentiometer Bias Frequency
d 0.0 to d 100.0%
d0: Positive Bias
d1: Negative Bias
Potentiometer Bias
ꢀ4-01
d0
d100
d0
Polarity
Potentiometer
ꢀ4-02
d1 to d200 %
Frequency Gain
d0: Forward Motion Only
d1: Reverse Motion enabled
Potentiometer Reverse
4-03
Motion Enable
d0: No Function
d1: FWD/STOP, REV/STOP
d2: FWD/REV, RUN/STOP
d3: 3-wire Operation Control Mode
d4: E.F. External Fault Input (N.O.)
d5: E.F. External Fault Input (N.C.)
d6: Reset
Multi-Function Input Terminal 1 (M0,
4-04
M1)
d1
d7: Multi-Step Speed Command 1
d8: Multi-Step Speed Command 2
d9: Multi-Step Speed Command 3
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Chapter 5 Parameters|VFD-S Series
Factory
Setting
Pr.
Explanation
Settings
d10: Jog Operation
NOTE
Multi-Function Input Terminal 2 (M2)
4-05
d6
d11: Accel/decel Inhibit
Multi-Function Input Terminal 3 (M3)
Multi-Function Input Terminal 4 (M4)
d12: First or Second
Acceleration/deceleration Time
Selection
d13: External base block (N.O.)
d14: External base block (N.C.)
d15: Up: Increment master
frequency
4-06
4-07
d7
d16: Down: Decrement master
frequency
d8
d17: Run PLC Program
d18: Pause PLC Program
d19: Counter Trigger Signal
d20: Counter Reset
d21: Select ACI / Deselect AVI
d22: PID Function Disabled
d23: JOG FWD
d24: JOG REV
d25: The source of master
frequency is AVI.
d26: The source of master
frequency is ACI.
4-08 Multi-Function Input Terminal 5(M5)
d9
d27: Press UP/DOWN key to switch
forward/reverse (N.O.) motion
d28: Press UP/DOWN key to switch
forward/reverse (N.C.) motion
d29: M0: 0: RUN 1: STOP, M1: no
function, Direction is controlled
by keypad
d0: Disable
d1: Enable
4-09 Line Start Lockout
4-10 Up/Down Mode
d0
d3
d0: Based on accel/decel time
d1: Up frequency according to
constant speed, down frequency
according to deceleration time
d2: Up frequency according to
acceleration time, down
frequenc according to constant
speed
d3: Constant speed
Accel/Decel Rate of Change of
4-11 UP/DOWN Operation with Constant
Speed
0~1000, unit: 5 Hz/sec
d1
Group 5 Multi-Step Speed and PLC Parameters
Factory
Setting
d0.0
Pr.
Explanation
Settings
NOTE
5-00 1st Step Speed Freq.
5-01 2nd Step Speed Freq.
d0.0 to d400 Hz
d0.0 to d400 Hz
d0.0
5-6
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Chapter 5 Parameters|VFD-S Series
Factory
Setting
Pr.
Explanation
Settings
NOTE
5-02 3rd Step Speed Freq.
5-03 4th Step Speed Freq.
5-04 5th Step Speed Freq.
5-05 6th Step Speed Freq.
5-06 7th Step Speed Freq.
d0.0 to d400 Hz
d0.0 to d400 Hz
d0.0 to d400 Hz
d0.0 to d400 Hz
d0.0
d0.0
d0.0
d0.0
d0.0 to d400 Hz
d0.0
d0: Disable PLC Operation
d1: Execute one program cycle
d2: Continuously execute program
cycles
d3: Execute one program cycle step
by step
5-07 PLC Mode
d0
d4: Continuously execute one
program cycle step by step
d5: Disable PLC operation, but can
set direction of 1st speed to 7th
speed
5-08 PLC Forward/ Reverse Motion
5-09 Time Duration of Zero Step Speed
5-10 Time Duration of 1st Step Speed
5-11 Time Duration of 2nd Step Speed
5-12 Time Duration of 3rd Step Speed
5-13 Time Duration of 4th Step Speed
5-14 Time Duration of 5th Step Speed
5-15 Time Duration of 6th Step Speed
5-16 Time Duration of 7th Step Speed
d0 to d255 (0: FWD 1: REV)
d0 to d65500 Sec
d0 to d65500 Sec
d0 to d65500 Sec
d0 to d65500 Sec
d0 to d65500 Sec
d0 to d65500 Sec
d0 to d65500 Sec
d0 to d65500 Sec
d0
d0
d0
d0
d0
d0
d0
d0
d0
Group 6 Protection Parameters
Factory
Setting
Pr.
Explanation
Settings
NOTE
d0: Disable
d1: Enable
6-00 Over-Voltage Stall Prevention
d1
Over-Voltage Stall Prevention Level
6-01
115V/230V series: d350 to d410V
460V series: d700 to d820V
d20 to d150%
d390
d780
d130
6-02 Over-Current Stall Prevention Level
d0: Disabled
d1: Enabled during constant speed
operation. After the over-torque
is detected, keep running until
OL1 or OL occurs.
d2: Enabled during constant speed
operation. After the over-torque
is detected, stop running.
6-03 Over-Torque Detection Mode
d0
d3: Enabled during running and
continues before Continuous
Output Time Limit (Pr.6-05) is
reached
d4: Enabled during running. After
the over-torque is detected, stop
running.
6-04 Over-Torque Detection Level
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d150
5-7
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Chapter 5 Parameters|VFD-S Series
Factory
Setting
d0.1
Pr.
Explanation
Settings
d0.1 to d10.0 Sec
NOTE
6-05 Over-Torque Detection Time
Electronic Thermal Overload Relay
Selection
6-06
d0 to d2
d2
Electronic Thermal
Characteristic
ꢀ6-07
d30 to d600 Sec
d60
6-08 Present Fault Record
d0: No fault
d1: Over current (oc)
d2: Over voltage (ov)
d3: Over heat (oH)
d4: Over load (oL)
6-09 Second Most Recent Fault Record
d5: Over load (oL1)
d6: External fault (EF)
d7: Reserved
d0
d8: Reserved
d9: Excess current during
acceleration (ocA)
d10: Excess current during
deceleration (ocd)
6-10 Third Most Recent Fault Record
d11: Excess current during steady
state (ocn)
d12: Ground fault (GF)
d13: Reserved
d14: Low voltage (Lv)
d15: CPU failure 1 (cF1)
d16: CPU failure 2 (cF2)
d17: Base block (b.b.)
d18: Overload (oL2)
d19: Auto acceleration/deceleration
failure (cFA)
d20: Software protection enable
(codE)
d21: Reserved
d22: CPU failure (cF3.1)
d23: CPU failure (cF3.2)
d24: CPU failure (cF3.3)
d25: CPU failure (cF3.4)
d26: CPU failure (cF3.5)
d27: CPU failure (cF3.6)
d28: CPU failure (cF3.7)
d29: Hardware protection failure
(HPF.1)
d30: Hardware protection failure
(HPF.2)
d31: Hardware protection failure
(HPF.3)
d32: Communication time-out
(CE10)
d33: Reserved
d34: Software error (SErr)
d35: Reserved
d36: PID error (Pld)
d37: Reserved
d0
d38: Phase loss (PHL)
5-8
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Chapter 5 Parameters|VFD-S Series
Group 7 Motor Parameters
Factory
Setting
Pr.
Explanation
Settings
NOTE
ꢀ7-00 Motor Rated Current
d30 to d120%
d0 to d90%
d85
Motor No-Load Current
ꢀ7-01
d50
Torque Compensation
ꢀ7-02
d0 to d10
d1
ꢀ7-03 Slip Compensation
d0.0 to d10.0
d0.0
Group 8 Special Parameters
Factory
Setting
d0
Pr.
Explanation
Settings
NOTE
8-00 DC Braking Voltage Level
d0 to d30%
8-01 DC Braking Time during Start-Up
8-02 DC Braking time during Stopping
8-03 Start-Point for DC Braking
d0.0 to d60.0 Sec
d0.0 to d60.0 Sec
d0.0 to d400 Hz
d0.0
d0.0
d0.0
d0: Operation stops after
Momentary Power Loss
d1: Operation continues after
momentary power loss, speed
search starts with the Master
Frequency reference value
d2: Operation continues after
momentary power loss, speed
search starts with the minimum
frequency
Momentary Power Loss Operation
Selection
8-04
d0
8-05 Maximum Allowable Power Loss Time d0.3 to d5.0 Sec
d2.0
d0.5
d150
d0.0
d0.0
d0.0
d0.0
d0.0
d0.0
d0
8-06 B.B. Time for Speed Search
8-07 Current Limit for Speed Search
8-08 Skip Frequency 1 Upper Limit
8-09 Skip Frequency 1 Lower Limit
8-10 Skip Frequency 2 Upper Limit
8-11 Skip Frequency 2 Lower Limit
8-12 Skip Frequency 3 Upper Limit
8-13 Skip Frequency 3 Lower Limit
8-14 Auto Restart After Fault
d0.3 to d5.0 Sec
d30 to d200%
d0.0 to d400 Hz
d0.0 to d400 Hz
d0.0 to d400 Hz
d0.0 to d400 Hz
d0.0 to d400 Hz
d0.0 to d400 Hz
d0 to d10
d0: Enable
8-15 AVR Function
d2
d1: Disable
d2: Disable when deceleration
115V/230V series: d350 to d450V
460V series: d700 to d900V
d0.0 to d400 Hz
Software Braking Level
8-16
d380
d760
d0.0
8-17 DC Braking Lower Bound Limit
Group 9 Communication Parameters
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Chapter 5 Parameters|VFD-S Series
Factory
Setting
Pr.
Explanation
Communication
Settings
NOTE
ꢀ9-00
d1 to d254
d1
d1
d1
Address
d0: Baud Rate 4800 bps
d1: Baud Rate 9600 bps
d2: Baud Rate 19200 bps
d3: Baud Rate 38400 bps
d0: Warn and Keep Operating
ꢀ9-01 Transmission Speed
ꢀ9-01 Transmission Speed
Transmission Fault
ꢀ9-02
d1: Warn and Ramp to Stop
d0
d0
Treatment
d2: Warn and Coast to Stop
d3: Keep Operating without Warning
d0: Disable
d1 to d20: time setting (1 sec
increment)
ꢀ9-03 Time-out Detection
d0: 7,N,2 (Modbus, ASCII)
d1: 7,E,1 (Modbus, ASCII)
d2: 7,O,1 (Modbus, ASCII)
d3: 8,N,2 (Modbus, ASCII)
d4: 8,E,1 (Modbus, ASCII)
d5: 8,O,1 (Modbus, ASCII)
d6: 8,N,2 (Modbus, RTU)
d7: 8,E,1 (Modbus, RTU)
d8: 8,O,1 (Modbus, RTU)
Communication
ꢀ9-04
d0
Protocol
Group A PID Parameters
Factory
Setting
Pr.
Explanation
Settings
NOTE
d0: Disable PID function
d1: Negative PID feedback from
external terminal (AVI) 0 to
+10V
d2: Negative PID feedback from
external terminal (ACI) 4 to
20mA
d3: Positive PID feedback from
external terminal (AVI) 0 to
+10V
d4: Positive PID feedback from
external terminal (ACI) 4 to
20mA
A-00
A-01
Input terminal for PID Feedback
Gain over PID Detection value
d0
d0 to d999
d100
A-02
A-03
A-04
Proportional Gain (P)
Integral Time (I)
d0 to d999
d0 to d999
d0 to d100
d100
d100
d0
Derivative Control (D)
A-05
A-06
Upper Bound for Integral Control
Primary Delay Filter Time
d0 to d100%
d0 to d999
d100
d0
5-10
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Chapter 5 Parameters|VFD-S Series
Factory
Setting
Pr.
Explanation
Settings
NOTE
A-07
A-08
PID Output Freq. Limit
d0 to d110%
d100
Feedback Signal Detection Time
d0.0 to d650 seconds
d0.0
d0
Treatment of the Erroneous
Feedback Signals
d0: warn and RAMP to stop
d1: warn and COAST to stop
A-09
A-10
A-11
A-12
A-13
Sleep Frequency
Wakeup Frequency
Sleep Period
d0.0 to d400Hz
d0.0 to d400Hz
d0.0 to d650 seconds
d0.0 to d400
d0.0
d0.0
d0.0
d0.0
PID User Defined
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Chapter 5 Parameters|VFD-S Series
5.2 Parameter Settings for Applications
ꢀ
Speed Search
Applications
Related
Parameters
Purpose
Functions
Windmill, winding
machine, fan and all
inertia loads
Restart free-
running motor
Before the free-running motor is
8-06
8-07
completely stopped, it can be restarted
without detection of motor speed. The
AC motor drive will auto search motor
speed and will accelerate when its
speed is the same as the motor speed.
ꢀ
DC Braking before Running
Related
Parameters
Applications
When e.g. windmills,
fans and pumps rotate running motor at
freely by wind or flow standstill.
without applying power
Purpose
Keep the free-
Functions
If the running direction of the free-
running motor is not steady, please
execute DC braking before start-up.
8-00
8-01
8-17
ꢀ
Multi-step Operation
Applications
Related
Parameters
Purpose
Functions
4-04~4-08
5-00~5-06
Cyclic operation by To control 7-step speeds and duration
multi-step speeds. by simple contact signals.
Conveying machinery
ꢀ
Switching acceleration and deceleration times
Related
Parameters
Applications
Purpose
Switching
Functions
1-09~1-12
4-04~4-08
When an AC motor drive drives two or
more motors, it can reach high-speed
but still start and stop smoothly.
Auto turntable for
conveying machinery deceleration times
by external signal
acceleration and
ꢀ
Operation Command
Applications
Related
Parameters
Purpose
Functions
Selecting the
source of control
signal
Selection of AC motor drive control by
external terminals, digital keypad or
RS485.
2-01
General application
4-04~4-08
5-12
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Chapter 5 Parameters|VFD-S Series
ꢀ
Two-wire/three-wire
Applications
Related
Parameters
Purpose
Functions
FWD/STOP
REV/STOP
4-04~4-08
M0 "Open": Stop, "Close": FWD Run
M1 "Open": Stop, "Close":REV Run
GND
M0 "Open": Stop, "Close": Run
To run, stop,
forward and
reverse by external
terminals
RUN/STOP
REV/FWD
General application
M1 "Open": FWD, "Close":REV
GND
3-wire
STOP
RUN
M0 Run command, Runs when "close"
M2 Stop command, stops when "Open"
M1 REV/FWD Run selection
"Open": FWD Run
"Close": REV Run
RUN/FWD
GND
ꢀ
Frequency Hold
Applications
Related
Parameters
Purpose
Functions
Acceleration/
deceleration pause Acceleration/deceleration
Hold output frequency during
4-04~4-08
General application
ꢀ
Auto Restart after Fault
Related
Parameters
Applications
Purpose
Functions
For continuous and
reliable operation
without operator
intervention
8-14
The AC motor drive can be
restarted/reset automatically up to 10
times after a fault occurs.
Air conditioners,
remote pumps
ꢀ
Emergency Stop by DC Braking
Related
Parameters
Applications
Purpose
Functions
AC motor drive can use DC braking
for emergency stop when quick stop is
needed without brake resistor. When
used often, take motor cooling into
consideration.
8-00
8-02
8-03
Emergency stop
without brake
resistor
High-speed rotors
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Chapter 5 Parameters|VFD-S Series
ꢀ
Over-torque Setting
Applications
Related
Parameters
Purpose
Functions
The over-torque detection level can be
set. Once OC stall, OV stall and over-
torque occurs, the output frequency
will be adjusted automatically. It is
suitable for machines like fans and
pumps that require continuous
operation.
6-03~6-05
To protect
Pumps, fans and
extruders
machines and to
have continuous/
reliable operation
ꢀ
Upper/Lower Limit Frequency
Related
Parameters
Applications
Purpose
Functions
When user cannot provide
1-07
1-08
Control the motor
speed within
upper/lower limit
upper/lower limit, gain or bias from
external signal, it can be set
individually in AC motor drive.
Pump and fan
ꢀ
Skip Frequency Setting
Applications Purpose
Related
Parameters
Functions
The AC motor drive cannot run at
constant speed in the skip frequency
8-08~8-13
To prevent
Pumps and fans
machine vibrations range. Three skip frequency ranges
can be set.
ꢀ
Carrier Frequency Setting
Related
Parameters
Applications
Purpose
Functions
The carrier frequency can be
increased when required to reduce
motor noise.
2-03
General application
Low noise
ꢀ
Keep Running when Frequency Command is Lost
Related
Parameters
Applications
Purpose
Functions
When the frequency command is lost
by system malfunction, the AC motor
drive can still run. Suitable for
intelligent air conditioners.
2-05
For continuous
operation
Air conditioners
5-14
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Chapter 5 Parameters|VFD-S Series
ꢀ
Output Signal during Running
Related
Parameters
Applications
Purpose
Functions
Signal available to stop braking (brake
release) when the AC motor drive is
running. (This signal will disappear
when the AC motor drive is free-
running.)
3-05~3-06
Provide a signal for
running status
General application
ꢀ
Output Signal in Zero Speed
Related
Parameters
Applications
Purpose
Functions
When the output frequency is lower
Provide a signal for than the min. output frequency, a
3-05~3-06
General application
running status
signal is given for external system or
control wiring.
ꢀ
Output Signal at Desired Frequency
Related
Parameters
Applications
Purpose
Functions
When the output frequency is at the
desired frequency, a signal is given for
external system or control wiring.
3-05~3-06
Provide a signal for
running status
General application
ꢀ
Over-torque Detection
Related
Parameters
Applications
Purpose
To protect
machines and to
have continuous/
reliable operation
Functions
The over-torque detection level can be
set. Once over-torque occurs, a signal
will occur to prevent the AC motor
drive damage.
3-05~3-06
6-04
Pumps, fans and
extruders
6-05
ꢀ
Output Signal at Low-voltage
Related
Parameters
Applications
Purpose
Functions
When the voltage between P-N is low
voltage, a signal is given for external
system or control wiring.
3-05~3-06
Provide a signal for
running status
General application
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Chapter 5 Parameters|VFD-S Series
ꢀ
Output Signal when Frequency Attained
Related
Parameters
Applications
Purpose
Functions
When the output frequency is at the
desired frequency (by frequency
command), a signal is given for
external system or control wiring
(frequency attained).
3-05~3-06
3-04
Provide a signal for
running status
General application
3-10
ꢀ
Output Signal for Base Block
Related
Parameters
Applications
Purpose
Functions
When executing Base Block, a signal
is given for external system or control
wiring.
3-05~3-06
Provide a signal for
running status
General application
ꢀ
Overheat Warning for Heat Sink
Applications Purpose
Related
Parameters
Functions
When heat sink is overheated, it will
send a signal for external system or
control wiring.
3-05~3-06
General application
For safety
ꢀ
Multi-function Analog Output
Related
Parameters
Applications
Purpose
Functions
The value of frequency, output
current/voltage can be read by
connecting a frequency meter or
voltage/current meter.
3-05
Display running
status
General application
5-16
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Chapter 5 Parameters|VFD-S Series
5.3 Description of Parameter Settings
Group 0: User Parameters
ꢀThis parameter can be set during operation.
0-00 Identity Code of the AC Motor Drive
Settings
0-01 Rated Current Display of the AC motor drive
Settings Read Only
Read Only
Factory setting: d#
Factory setting: d ##.#
ꢁ
ꢁ
Pr. 0-00 displays the identity code of the AC motor drive. The capacity, rated current, rated
voltage and the max. carrier frequency relate to the identity code. Users can use the following
table to check how the rated current, rated voltage and max. carrier frequency of the AC
motor drive correspond to the identity code.
Pr. 0-01 displays the rated current of the AC motor drive. By reading this parameter the user
can check if the AC motor drive is correct.
115V/230V Series
KW
HP
Pr.0-00
0.2
0.25
d0
0.4
0.5
d2
0.75
1.0
d4
1.5
2.0
d6
2.2
3.0
d8
Rated Output Current (A)
Max. Carrier Frequency
1.6
2.5
4.2
10kHz
7.5
11.0
460V Series
KW
HP
Pr.0-00
0.4
0.5
d3
0.75
1.0
d5
1.5
2.0
d7
2.2
3.0
d9
Rated Output Current (A)
Max. Carrier Frequency
1.5
2.5
4.2
5.5
10kHz
0-02 Parameter Reset
Factory Setting: d0
Settings d9
d10
All parameters are reset to factory settings (50Hz, 220V/380V)
All parameters are reset to factory settings (60Hz, 220V/440V)
ꢁ
This setting allows the user to return all parameters to the factory default settings.
ꢀStart-up Display Selection
0-03
Factory Setting: d0
Settings d0 Display the frequency command value (LED F)
d1 Display the actual output frequency (LED H)
d2 Multifunction display, see Pr.0-04
d3 Display output current (LED A)
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Chapter 5 Parameters|VFD-S Series
d4 Display forward/reverse command (Frd/rEv)
0-04 ꢀContent of Multi-function Display
Factory Setting: d0
Settings d0 Display the user-defined unit (u)
d1 Display the counter value (C)
d2 Display the content of PLC time (1.tt)
d3 Display the DC BUS voltage (U)
d4 Display the output voltage (E)
d5 Display frequency commands of PID (P)
d6 Display analog feedback signal value (b) (%)
ꢁ
Display the user-defined unit, where unit = H X Pr.0-5-
0-05
ꢀUser Defined Coefficient K
Unit: 0. 1
Settings
d0.1 to d160
Factory Setting: d1.0
ꢁ
The coefficient K determines the multiplying factor for the user-defined unit.
The display value is calculated as follows:
Display value = (output frequency x K)
ꢁ
The display window is only capable of showing three digits, yet you could use Pr.0-05 to
create larger numbers. The display windows uses decimal points to signify numbers up to five
digits as illustrated in the following:
Display
999
Number Represented
The absence of a decimal point indicates a three–digit integer.
A signal decimal point between the middle and the right-most numbers is a true
decimal point; it separates ones and tenths as in “30.5” (thirty and one-half).
A single decimal point after the right-most numbers is not a true decimal point,
instead it indicates that a zero follows the right-most number. For example, the
number 1230 would be displayed as “123.”
99.9
999.
Two decimal points (one between the middle and the right-most numbers, and
one after the right-most number) are not true decimal points; instead they indicate
that two zeros follow the right-most number. For example, the number 34500
would be displayed as “34.5.”.
99.9.
0-06
Software Version
Settings
Display
Read Only
d #.#
5-18
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0-07 Password Input
Settings d0 to d999
Unit: 1
Factory Setting: d0
ꢁ
ꢁ
Pr.0-07 and Pr.0-08 work together to provide data security for the AC drive. When Pr.0-08 is
set to a value other than 0, a password must be entered to alter the values of parameters.
The password is the number set in Pr.0-08, which ranges from 1 to 999. Pr.0-07 is where the
password is entered to allow parameter values to be altered.
Display states:
d0: no password / correct password has been input
d1: parameters are locked
Password Set
Unit: 1
0-08
Settings
Display
d0 to d999
Factory Setting: d0
0
1
No password set or successful input in Pr. 0-07
Password has been set
ꢁ
To set a password to protect your parameter settings.
If the display shows 0, no password is set or password has been correctly entered in Pr.0-07.
All parameters can then be changed, including Pr.0-08.
The first time you can set a password directly. After successful setting of password the
display will show 1.
Be sure to record the password for later use.
To cancel the parameter lock, set the parameter to 0 after inputting correct password into Pr.
0-07.
The password consists of min. 1 digits and max. 3 digits.
How to make the password valid again after decoding by Pr.0-07:
Method 1: Re-input original password into Pr.0-08 (Or you can enter a new password if you
want to use a changed or new one).
ꢁ
Method 2: After rebooting, password function will be recovered.
Password Decode Flow Chart
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Chapter 5 Parameters|VFD-S Series
0-08
0-07
Displays 0 when
entering correct
password into
Pr.0-07.
Incorrect Password
Correct Password
END
END
0-08
0-07
Displays 0 when
entering correct
password into
Pr.0-07.
3 chances to enter the correct
password.
1st time displays "d 1" if
password is incorrect.
2nd time displays "d 2", if
password is incorrect.
3rd time displays " codE"
(blinking)
If the password was entered
incorrectly after three tries,
the keypad will be locked.
Turn the power OFF/ON to
re-enter the password.
ꢀMemory Mode Selections
Settings d0 to d63
Unit: 1
Factory Setting: d8
0-09
ꢁ
ꢁ
This parameter is determined to save frequency, operation direction and parameter setting
after power off or not.
Setting method: input to this parameter after converting binary 6-bit to decimal. Refer to
following two tables for detail.
Bit 0 Reserved
0: save frequency
1: not save frequency
Bit 1
Bit 2 Reserved
0: save direction
1: not save direction
Bit 3
0: save parameters (except Pr.0-09 and Pr.0-02)
1: not save parameters
Bit 4
0: save Pr.0-09
1: not save Pr. 0-09
Bit 5
5-20
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Chapter 5 Parameters|VFD-S Series
bit 5
bit4
0
Bit 3
0
bit 1
Setting for Pr. 0-09
0
1
0
1
0
1
0
1
0
2
8 (factory setting)
1
0
1
10
16
18
24
26
0
1
0
1
0
32
0
1
0
1
0
1
0
1
34
40
42
48
50
56
58
1
0
1
1
ꢁ
ꢁ
When Pr. 0-09 is set to b5=0, Pr. 0-09 setting will be saved after power on again.
When Pr. 0-02 is set to d10, all parameters (includes Pr.0-09) will be set to factory setting.
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Chapter 5 Parameters|VFD-S Series
Group 1: Basic Parameters
Maximum Output Frequency (Fmax)
Settings d50.0 to d400 Hz
Unit: 0.1
1-00
Factory Setting: d60.0
ꢁ
This parameter determines the AC motor drive’s Maximum Output Frequency. All the AC
motor drive frequency command sources (analog inputs 0 to +10V and 4 to 20mA) are scaled
to correspond to the output frequency range.
1-01
Maximum Voltage Frequency (Fbase)
Settings d10.0 to d400 Hz
Unit: 0.1
Factory Setting: d60.0
ꢁ
This value should be set according to the rated frequency of the motor as indicated on the
motor nameplate. Maximum Voltage Frequency determines the v/f curve ratio. For example, if
the drive is rated for 460 VAC output and the Maximum Voltage Frequency is set to 60Hz, the
drive will maintain a constant ratio of 7.66 V/Hz (460V/60Hz=7.66V/Hz). This parameter value
must be equal to or greater than the Mid-Point Frequency (Pr.1-03).
1-02 Maximum Output Voltage (Vmax)
Unit: 0.1
Factory Setting: 220.0
Factory Setting: 440.0
Settings 115V/230V series d2.0 to d255V
460V series
d4.0 to d510V
ꢁ
This parameter determines the Maximum Output Voltage of the AC motor drive. The
Maximum Output Voltage setting must be smaller than or equal to the rated voltage of the
motor as indicated on the motor nameplate. This parameter value must be equal to or greater
than the Mid-Point Voltage (Pr.1-04).
1-03 Mid-Point Frequency (Fmid)
Settings d1.0 to d400Hz
Unit: 0.1
Factory Setting: d1.0
ꢁ
This parameter sets the Mid-Point Frequency of the V/f curve. With this setting, the V/f ratio
between Minimum Frequency and Mid-Point frequency can be determined. This parameter
must be equal to or greater than Minimum Output Frequency (Pr.1-05) and equal to or less
than Maximum Voltage Frequency (Pr.1-01).
1-04 Mid-Point Voltage (Vmid)
Unit: 0.1
Factory Setting: d12.0
Factory Setting: d24.0
Settings 115V/230V series d2.0 to d255V
460V series
d4.0 to d510V
5-22
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Chapter 5 Parameters|VFD-S Series
This parameter sets the Mid-Point Voltage of any V/f curve. With this setting, the V/f ratio
between Minimum Frequency and Mid-Point Frequency can be determined. This parameter
must be equal to or greater than Minimum Output Voltage (Pr.1-06) and equal to or less than
Maximum Output Voltage (Pr.1-02).
ꢁ
1-05
Minimum Output Frequency (Fmin)
Settings d1.0 to d60.0Hz
Unit: 0.1
Factory Setting: d1.0
ꢁ
This parameter sets the Minimum Output Frequency of the AC drive. This parameter must be
equal to or less than Mid-Point Frequency (Pr.1-03).
1-06
Minimum Output Voltage (Vmin)
Unit: 0.1
Factory Setting: d12.0
Factory Setting: d24.0
Settings 115V/230V series d2.0 to d255V
460V series
d4.0 to d510V
ꢁ
This parameter sets Minimum Output Voltage of the AC drive. This parameter must be equal
to or less than Mid-Point Voltage (Pr.1-04).
Voltage
Pr.1-02
Pr.1-04
Pr.1-06
Freq.
0
Pr.1-03
Pr.1-05
Pr.1-00
Pr.1-01
Standard V/F Curve
1-07
Output Frequency Upper Limit
Settings d1 to d110%
Unit: 1
Factory Setting: d100
ꢁ
ꢁ
This parameter must be equal to or greater than the Output Frequency Lower Limit (Pr.1-08).
The Maximum Output Frequency (Pr.1-00) is regarded as 100%.
Output Frequency Upper Limit value = (Pr.1-00 * Pr.1-07)/100.
1-08
Unit: 1
Output Frequency Lower Limit
Settings d0 to d100%
Factory Setting: d0
ꢁ
The Upper/Lower Limit is to prevent operation error and machine damage.
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Chapter 5 Parameters|VFD-S Series
ꢁ
If the Upper Limit of Output Frequency is 50Hz and the Maximum Output Frequency is 60Hz,
the Maximum Output Frequency will be limited to 50Hz.
ꢁ
If the Lower Limit of Output Frequency is 10Hz, and the Minimum Output Frequency (Pr.1-05)
is set at 1.0Hz, then any Command Frequency between 1-10Hz will generate a 10Hz output
from the drive.
ꢁ
This parameter must be equal to or less than the Upper Limit of Output Frequency (Pr.1-07).
1-09 ꢀAcceleration Time 1 (Taccel 1)
1-10 ꢀDeceleration Time 1 (Tdecel 1)
1-11 ꢀAcceleration Time 2 (Taccel 2)
1-12 ꢀDeceleration Time 2 (Tdecel 2)
Unit: 0.1
Unit: 0.1
Unit: 0.1
Unit: 0.1
Settings
d0.1 to d600Sec
Factory Setting: d10.0
ꢁ
ꢁ
ꢁ
Pr.1-9- This parameter is used to determine the time required for the AC drive to ramp from 0
Hz to its Maximum Output Frequency (Pr.1-00). The rate is linear unless S-Curve is
“Enabled.”
Pr.1-10. This parameter is used to determine the time required for the AC drive to decelerate
from the Maximum Output Frequency (Pr.1-00) down to 0 Hz. The rate is linear unless S-
Curve is “Enabled.”
The acceleration/deceleration time 2 determines the time for the AC drive to
acceleration/deceleration from 0Hz to Maximum Output Frequency (Pr.1-00)
(acceleration/deceleration time 1 is the default). A Multi-Function Input terminal must be
programmed to select acceleration/deceleration time 2 and the terminals must be closed to
select acceleration/deceleration time 2. See Pr.4-04 to Pr.4-8-
ꢁ
In the diagram shown below, the acceleration/deceleration time of the AC drive is the time
between 0 Hz to Maximum Output Frequency (Pr.1-00). Suppose the Maximum Output
Frequency is 60 Hz, start-up frequency (Pr.1-05) is 1.0 Hz, and acceleration/deceleration time
is 10 seconds. The actual time for the AC drive to accelerate from start-up to 60 Hz is 9.83
seconds and the deceleration time is also 9.83 seconds.
1-13
1-14
ꢀ Jog Acceleration/Deceleration Time
Settings d0.1 to d600Sec
ꢀ Jog Frequency
Settings d1.0 to d400Hz
Unit: 0.1Sec
Factory Setting: d10.0
Unit: 0.1Hz
Factory Setting: d6.0
5-24
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Chapter 5 Parameters|VFD-S Series
The JOG function can be selected using Multi-function Input terminals (Pr.4-04 to Pr.4-08) if
programmed for Jog (d10). When the Jog terminal is “closed”, the AC drive will accelerate
from Minimum Output Frequency (Pr.1-05) to Jog Frequency (Pr.1-14). When the Jog
terminal “open”, the AC drive will decelerate from Jog Frequency to zero. The
ꢁ
acceleration/deceleration time is decided by the Jog acceleration/deceleration time (Pr.1-13).
During operation, the AC drive cannot perform Jog command. And during Jog operation,
other operation commands cannot be accepted, except command of FORWARD, REVERSE
and STOP keys on the digital keypad.
Frequency
Max.
Output
freq.
Pr.1-00
Jog
Freq.
Pr.1-14
Time
Pr. 1-13
Pr. 1-13
Deceleration Time
Acceleration Time
Jog operation
command
OFF
ON
1-15 ꢀAuto-Acceleration / Deceleration
Factory Setting: d0
Settings
d0
d1
d2
d3
d4
d5
Linear Accel/Decel
Auto Accel, Linear Decel
Linear Accel, Auto Decel
Auto Accel/Decel (Set by load)
Linear Accel; Auto Decel, Stall Prevention during Decel
Auto Accel/Decel, Stall Prevention during Decel
ꢁ
If the auto acceleration/deceleration is selected, the AC drive will acceleration/deceleration in
the fastest and smoothest means possible by automatically adjusting the time of
acceleration/deceleration.
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Chapter 5 Parameters|VFD-S Series
1-16 Acceleration S-Curve
1-17 Deceleration S-Curve
Settings
d0 to d7
Factory Setting: d0
ꢁ
These two parameters allow you to configure whether the acceleration and/or deceleration
ramps are linear or S-shaped. The S-curve is enabled when set at d1-d7. Setting d1 offers
the quickest S-curve and d7 offers the longest and smoothest S-curve. The AC drive will not
follow the acceleration/deceleration time in Pr.1-09 to Pr.1-12. To Disable the S-curve, set
Pr.1-16 and Pr.1-17 to d0.
ꢁ
From the diagram shown below, the original setting acceleration/deceleration time will be for
reference when the function of the S-curve is enabled. The actual acceleration/deceleration
time will be determined based on the S-curve selected (d1 to d7).
2
1
3
4
2
1
3
4
1
2
3
4
Disable S curve
Enable S curve
Acceleration/deceleration Characteristics
1-18
Jog Decelerating Time
Settings d0.0 to d600
Unit: 0.1Sec
Factory Setting: d0.0
ꢁ
ꢁ
When Pr.1-18 is set to d0.0 Jog decelerating time determined by the setting of Pr.1-13 0.1 to
600 sec, Jog decelerating time can be set independently, separates from Pr.1-13.
When Pr.1-18 is set to 0.0, Pr.1-13 determines both Jog acceleration and deceleration time.
When Pr.1-18 is set between 0.1 to 600 seconds, which will determine Jog Decelerating Time
and Pr.1-13 will only determine Jog Accelerating Time.
5-26
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Chapter 5 Parameters|VFD-S Series
Group 2: Operation Method Parameters
2-00 Source of Master Frequency Command
Factory Setting: d0
Settings
d0
d1
Master Frequency input determined by digital keypad. (record the
frequency of power loss and it can do analog overlap plus)
Master Frequency determined by analog signal DC 0V-10V
(external terminal AVI). (won’t record the frequency of power loss
and it can’t do analog overlap plus)
d2
d3
d4
d5
Master Frequency determined by analog signal DC 4mA-20mA
(external terminal AVI). (won’t record the frequency of power loss
and it can’t do analog overlap plus)
Master Frequency determined by Potentiometer on the digital
keypad. (won’t record the frequency of power loss and it can do
analog overlap plus)
Master Frequency operated by RS-485 serial communication
interface and record frequency of power loss. (record the frequency
of power loss and it can do analog overlap plus)
Master Frequency operated by RS-485 serial communication
interface and won’t record frequency before power loss. (won’t
record the frequency of power loss and it can do analog overlap
plus)
ꢁ
ꢁ
This parameter sets the Frequency Command Source of the AC drive.
If the Frequency Command Source is external (DC 0 to +10V or 4 to 20mA), please make
sure the (AVI) terminal jumper is in the proper position as shown below.
ꢁ
Position of jumper: Please open the top cover. It is at the lower-left corner of the panel. The
jumper J1 determines the type of external analog input, either DC voltage signal or current
signal.
J1
Voltage signal input(0-10V)
Current signal input(4-20mA)
ꢁ
When setting analog overlap plus, it needs to set Pr. 2-06 to select AVI or ACI.
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Chapter 5 Parameters|VFD-S Series
2-01 Source of Operation Command
Factory Setting: d0
Settings
d0
d1
d2
d3
Controlled by the keypad
External terminals. Keypad STOP/RESET enabled.
External terminals. Keypad STOP/RESET disabled.
RS-485 serial communication (RJ-11). Keypad STOP/RESET
enabled.
d4
RS-485 serial communication (RJ-11). Keypad STOP/RESET
disabled.
ꢁ
When the AC drive is controlled by an external source, please refer to parameter group 4 for
detailed explanations on related parameter settings.
2-02 Stop Method
Factory Setting: d0
Settings
d0
d1
STOP: ramp to stop
STOP: coast to stop
E.F.: coast to stop
E.F.: coast to stop
ꢁ
The parameter determines how the motor is stopped when the AC motor drive receives a
valid stop command or detects External Fault.
Ramp:
the AC motor drive decelerates to Minimum Output Frequency (Pr.1-05)
according to the deceleration time set in Pr.1-10 or Pr.1-12 and then stops.
the AC motor drive stops the output instantly upon command, and the motor
free runs until it comes to a complete standstill.
Coast:
The motor stop method is usually determined by the characteristics of the motor load and
how frequently it is stopped.
(1)
It is recommended to use “ramp to stop” for safety of personnel or to prevent
material from being wasted in applications where the motor has to stop after
the drive is stopped. The deceleration time has to be set accordingly.
If motor free running is allowed or the load inertia is large, it is recommended to
select “coast to stop”. For example: blowers, punching machines, centrifuges
and pumps.
(2)
5-28
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Chapter 5 Parameters|VFD-S Series
Frequency
output
frequency
Frequency
output
frequency
motor
speed
motor
speed
Time
Time
stops according to
decel eration time
STOP
free run to stop
operation
command
operation
command
RUN
RUN
STOP
ramp to stop and free run to stop
2-03
Unit: 1
PWM Carrier Frequency Selections
115V/230V/460V Series
Power
0.25 to 3hp (0.2kW to 2.2kW)
Setting Range
Factory Setting
d3 to d10 kHz
d10 kHz
ꢁ
This parameter determines the PWM carrier frequency of the AC motor drive.
Electromagnetic
Noise or leakage
current
Current
Wave
Carrier
Frequency
Heat
Dissipation
Acoustic
Noise
Minimal
Minimal
Minimal
Significant
3kHz
10kHz
Minimal
Significant
Significant
Significant
ꢁ
From the table, we see that the PWM carrier frequency has a significant influence on the
electromagnetic noise, AC motor drive heat dissipation, and motor acoustic noise.
2-04
Motor Direction Control
Factory Setting: d0
Settings
d0
d1
Enable forward/reverse operation
Disable reverse operation
ꢁ
The parameter determines whether the AC drive can operate in the reverse direction.
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Chapter 5 Parameters|VFD-S Series
2-05
Loss of ACI Signal (4-20mA)
Factory Setting: d0
Settings
d0
d1
d2
Decelerate to 0 Hz
Coast to stop and display “EF”
Continue operation by last frequency command
ꢁ
This parameter is only effective when the Source of Frequency is commanded by a 4 to
20mA signal. The ACI input is considered lost when the ACI signal falls below 2mA.
2-06
Analog Auxiliary Frequency Operation
Factory Setting: d0
Settings
d0
d1
d2
Disable
Enable + AVI (0~10V)
Enable + ACI (4~20mA)
ꢁ
ꢁ
This parameter is used to determinate that the analog signal to overlap is 0~10V (AVI) or
4~20mA (ACI).
To make sure the short PIN of J1 on the panel is correct position before setting this parameter.
5-30
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Chapter 5 Parameters|VFD-S Series
Group 3: Output Function Parameters
3-00
Analog Output Signal (AFM)
Factory Setting: d0
Settings
d0
d1
Analog Frequency Meter (0 to Maximum Output Frequency)
Analog Current Meter (0 to 250% of rated AC motor drive current)
ꢁ
ꢁ
This parameter sets the function of the AFM output 0~+10VDC (ACM is common).
The voltage output type for this analog signal is PWM. It needs to read value by the movable
coil meter and is not suitable for A/D signal conversion.
3-01
ꢀAnalog Output Gain
Settings d1 to d200%
Unit: 1
Factory Setting: d100
ꢁ
The parameter sets the voltage range of the analog output signal at terminals AFM, that
corresponds with either the output frequency or the output current of the VFD.
AFM
GND
AFM
GND
+
-
+
-
Analog Frequency Meter
Analog Current Meter
ꢁ
ꢁ
The analog output voltage is directly proportional to the output frequency of the AC drive. With
the factory setting of 100%, the Maximum Output Frequency (Pr.1-00) of the AC drive
corresponds to +10VDC analog voltage output. (The actual voltage is about +10VDC, and
can be adjusted by Pr.3-01).
The analog output voltage is directly proportional to the output current of the AC drive. With
the factory setting of 100%, the 2.5 times rated current of the AC drive corresponds to
+10VDC analog voltage output. (The actual voltage is about +10VDC, and can be adjusted by
Pr. 3-01)
NOTE
Voltmeter specification: The sourcing capability of the output is limited to 0.21mA. Sourcing voltage:
10V. Output resistance: 47kΩ.
If the meter reads full scale at a voltage less than 10 volts, then Pr.3-01 should be set by
the following formula: Pr.3-01 = ((meter full scale voltage)/10) ×100%
For example: When using the meter with full scale of 5 volts, adjust Pr.3-01 to 50%.
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Chapter 5 Parameters|VFD-S Series
3-02
Desired Frequency Attained
Settings d1.0 to d400 Hz
Unit: 0.1
Factory Setting: d1.0
ꢁ
If a multi-function output terminal is set to function as Desired Frequency Attained (Pr.3-05 or
3-06=d9), then the output will be activated when the programmed frequency is attained.
Freq.
Detection range
Max. Output
Freq.
Detection range
-
+
4Hz
+
2Hz
-
Desired Freq.
Pr.3-02
Detection
range
-2Hz
Time
Preset Freq.
Attained
indication
Pr.3-05 to 3-06
OFF
OFF
ON
ON
Desired Freq.
Attained
Indication
OFF
OFF
Pr.3-05 to 3-06
Desired Freq. Attained & Preset Freq. Attained
3-03 Terminal Count Value
Settings d0 to d999
Unit: 1
Factory Setting: d0
ꢁ
The parameter determines the upper limit value of the internal counter. The internal counter
can be triggered by the external terminal (Pr.4-4 to Pr.4-8, d19). Upon completion of counting,
the specified output terminal will be activated. (Pr.3-05, Pr.3-06, d14).
3-04 Preliminary Count Value
Settings d0 to d999
Unit: 1
Factory Setting: d0
ꢁ
When the counter value is counted up from “1” to the setting value of this parameter, the
corresponding multi-function output terminal which set to d15 as Preliminary Counter Value
Attained will be closed. The application can be that closing the multi-function output terminal
makes the AC drive operate at low speed until stop before the counting value is going to be
attained.
ꢁ
The timing diagram is shown below:
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Chapter 5 Parameters|VFD-S Series
Display
(Pr.0-04=d1)
2ms
TRG
Counter Trigger Signal
Multi-function Input Terminal
2ms
Preliminary Counter Value Attained Output
(Pr. 3-04=d3)
(Pr. 3-05 to Pr. 3-06=d15)
The width of trigger signal
should not be less than
2ms(<250 Hz)
Terminal Count Value Attained Output
(Pr.3-03=d5)
(Pr.3-05 to Pr.3-06=d14)
3-05 Multi-function Output Terminal 1 (Photocoupler output)
Factory Setting: d1
Factory Setting: d8
3-06
Multi-function Output Terminal 2 (relay output)
Settings d0 to d18
Setting
d0
Function
No Function
AC Drive Operational
Description
d1
the output terminal will be activated when the drive is
running.
Master Frequency Attained the output will be activated when the AC drive attains
Maximum Output Frequency.
d2
d3
Zero Speed
the output will be activated when Command Frequency
is lower than the Minimum Output Frequency.
the output will be activated as long as the over-torque is
detected. Pr.6-04 determines the Over-Torque detection
level.
d4
d5
Over Torque Detection
Base-Block (B.B.) Indication the output will be activated when the output of the AC
drive is shut off by external Baseblock.
d6
d7
Low-Voltage Indication
the output will be activated when low voltage is detected.
Operation Mode Indication the output will be activated when the operation of the AC
drive is controlled by External Control Terminals.
d8
d9
Fault Indication
the output will be activated when faults occur (oc, ov,
oH, oL, oL1, EF, cF3, HPF, ocA, ocd, ocn, GF).
Desired Frequency Attained the output will be activated when the desired frequency
(Pr.3-02)is attained.
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Chapter 5 Parameters|VFD-S Series
Setting
Function
Description
the output will be activated when the PLC program is
running.
d10
PLC Program Running
d11
d12
d13
PLC Program Step
Completed
the output will be activated for 0.5 sec. when each multi-
step speed is attained.
PLC Program Completed
the output will be activated for 0.5 sec. when the PLC
program cycle has completed.
PLC Operation Paused
the output will be activated when PLC operation is
paused.
Terminal Count Value
Attained
counter reaches Terminal Count Value.
d14
Preliminary Counter Value counter reaches Preliminary Count Value.
d15
d16
d17
Attained
AC Motor Drive Ready
FWD Command Indication When AC drive receives the command of forward
running, it will output immediately no matter AC drive is
in the state of run or stop.
d18
REV Command Indication
When AC drive receives the command of reverse
running, it will output immediately no matter AC drive is
in the state of run or stop.
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Chapter 5 Parameters|VFD-S Series
Group 4: Input Function Parameters
4-00 ꢀ Potentiometer Bias Frequency
Unit: 0. 1
Settings
d0.0 to d100.0%
Factory Setting: d0.0
4-01 ꢀ Potentiometer Bias Polarity
Factory Setting: d0
Settings
d0
d1
Positive Bias
Negative Bias
4-02 ꢀ Potentiometer Frequency Gain
Settings d1 to d200%
4-03 Potentiometer Reverse Motion Enable
Unit: 1
Factory Setting: d100
Factory Setting: d0
Settings
d0
d1
Forward motion only
Reverse motion enable (must be negative bias)
ꢁ
Pr.4-00 to Pr.4-03 are used when the source of frequency command is the analog signal (0 to
+10V DC or 4 to 20 mA DC). Refer to the following examples.
Example 1:
The following is the most common method. Set parameter 2-00 to d1 (0 to +10V signal) or d2 (4 to
20mA current signal).
Example 2:
In this example with the potentiometer set to 0V the Output Frequency is 10 Hz. The mid-point of
the potentiometer becomes 40 Hz. Once the Maximum Output Frequency is reached any further
increase of the potentiometer will not increase output frequency.
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Chapter 5 Parameters|VFD-S Series
Example 3:
The example also shows the popular method. The whole scale of the potentiometer can be used as
desired. In addition to signals of 0 to 10V and4 to 20mA, the popular voltage signals also include
signals of 0 to 5V, 20 to 4mA or that under 10V. Regarding the setting, please refer to the following
examples.
Example 4:
This example shows a potentiometer range of 0 to 5 Volts.
Example 5:
In this example a 1 volt negative bias is used. In a noise environment, it is advantageous to use
negative bias to provide a noise margin (1V in this example).
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Chapter 5 Parameters|VFD-S Series
Example 6:
In this example, a negative bias is used to provide a noise margin. Also a potentiometer frequency
gain is used to allow the Maximum Output Frequency to be reached.
Max.
Output
Pr.1-00
Freq.
Gain adjustment
Factory Settings
27
60Hz
0Hz
Pr.1-00=60Hz--Max. output Freq.
Pr.4-00=10%--Potentiometer bias freq.
Pr.4-01=1 -- Bias polarity
Pr.4-02=111% -- Pot. freq. gain
Pr.4-03=0 -- Forward motion only
It's 0Hz
within
this
range.
0
54
Hz
Calculation of gain
10V
10V
0V
Pr.4-02=(
)X100%=111%
Negative
bias 6Hz
9V
0V
Potentiometer Scale
1V
10V
Example 7:
In this example, the potentiometer is programmed to run a motor is both forward and reverse
direction. A motor will be idle when the potentiometer position is at mid-point of its scale. Using
Pr.4-03 will disable the external FWD and REV controls.
Max.
Output
Freq.
Pr.1-00
60Hz
0
FWD
FWD.
REV.
Factory Settings
30Hz
0Hz
Pr.1-00=60Hz--Max. output Freq.
Pr.4-00=30Hz--Potentiometer bias freq.
Pr.4-01=1 -- bias polarity
0V
10V
5V
Pr.4-02=200% -- pot. freq. gain
Pr.4-03=1 -- pot. REV motion enable
30Hz
60
60
0V
REV
Hz
10V
60Hz
Potentiometer Scale
Example 8:
In this example, the option of anti-slope is shown. Anti-slope is used in an application where control
of pressure, temperature, or flow is needed. Under a high pressure or flow situation, a sensor will
generate a large signal such as 20 mA or 10V. With anti-slope enable, the large signal will slow or
stop the AC drive.
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Chapter 5 Parameters|VFD-S Series
Max.
Output
Freq.
Pr.1-00
30
60Hz
Factory Settings
anti-slope
Pr.1-00=60Hz--Max. output Freq.
Pr.4-00=60Hz--Potentiometer bias freq.
Pr.4-01=1 -- bias polarity
Pr.4-02=100% -- pot. freq. gain
Pr.4-03=1 -- pot. REV. motion enable
0
60
0V
4mA
10V
20mA
Hz
0Hz
0V
4mA
Potentiometer Scale
10V
20mA
4-04
4-05
4-06
4-07
4-08
Multi-function Input Terminal (M0, M1)
Settings d0 to d29
Factory Setting: d1
Multi-function Input Terminal (M2)
Multi-function Input Terminal (M3)
Multi-function Input Terminal (M4)
Multi-function Input Terminal (M5)
Factory Setting: d6
Factory Setting: d7
Factory Setting: d8
Factory Setting: d9
Parameters & Functions table:
Value Function
d0 No Function
Value
Function
d15 Up: Increment master frequency
d1 M0: FWD / STOP, M1: REV / STOP
d2 M0: RUN / STOP, M1: FWD / REV
d16 Down: Decrement master frequency
d17 Run PLC Program
3-Wire Operation Control mode (M0,
M1, M2)
d3
d18 Pause PLC Program
d4 External Fault (Normally Open)
d5 External Fault (Normally Closed)
d19 Counter Trigger Signal
d20 Counter Reset
Select ACI / Deselect AVI (the priority is
higher than Pr. 2-00 and d26)
d6 External Reset
d21
d7 Multi-Step Speed Command1
d8 Multi-Step Speed Command2
d9 Multi-Step Speed Command3
d22 PID function disable
d23 JOG FWD
d24 JOG REV
The source of master frequency is AVI. (The
priority is higher than Pr. 2-00 and d26)
d10 Jog operation
d25
Acceleration/Deceleration Speed
Inhibit
The source of master frequency is ACI. (The
priority is higher than Pr. 2-00)
d11
d26
First or Second Acceleration or
Deceleration Time Selection
Press UP/DOWN key to switch
forward/reverse (N.O.) motion
d12
d27
External Base Block (N.O.)
(Normally Open Contact Input)
Press UP/DOWN key to switch
forward/reverse (N.C.) motion
d13
d28
External Base Block (N.C.)
(Normally Close Contact Input)
M0: 0: RUN 1: STOP, M1: no function,
Direction is controlled by keypad
d14
d29
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Chapter 5 Parameters|VFD-S Series
Explanations:
d0 Parameter Disable:
Enter value (d0) to disable any Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr.4-05), M3 (Pr.4-
06), M4 (Pr.4-07) or M5 (Pr.4-08).
NOTE
The purpose of this function is to provide isolation for unused Multi-Function Input Terminals. Any
unused terminals should be programmed to d0 to insure they have no effect on drive operation.
d1 Two wire operation: Restricted to Pr.4-04 and external terminals M0, M1.
FWD/STOP
M0 "Open": Stop, "Close": FWD Run
REV/STOP
M1 "Open": Stop, "Close":REV Run
GND
d2 Two wire operation: Restrict to Pr. 4-04 and external terminals M0, M1.
M0 "Open": Stop, "Close": Run
RUN/STOP
M1 "Open": FWD, "Close":REV
REV/FWD
GND
NOTE
Multi-function Input Terminal M0 does not have its own parameter designation. M0 must be used in
conjunction with M1 to operate two and three wire control.
d3 Three Wire Control: Restricted to Pr.4-04 control terminals M0, M1, M2.
STOP
RUN
M0 Run command, Runs when "close"
M2 Stop command, stops when "Open"
M1 REV/FWD Run selection
"Open": FWD Run
"Close": REV Run
RUN/FWD
GND
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Chapter 5 Parameters|VFD-S Series
NOTE
When value d3 is selected for Pr. 4-04, this will over ride any value entered in Pr.4-05, since Pr.4-05
must be used for three wire control as shown above.
d4, d5 External Faults:
Parameter values d4, d5 programs Multi-Function Input Terminals: M1 (Pr. 4-04), M2 (Pr. 4-05), M3
(Pr. 4-06), M4 (Pr. 4-07) or M5 (Pr. 4-08) to be External Fault (E.F.) inputs.
E.F.(N.O.)
Mx "Close": Operation available.
setting by d4
E.F(N.C.)
Mx "Open":Operation available.
setting by d5
GND
NOTE
When an External Fault input signal is received, the AC drive will stop all output and display “ E.F.”
on Digital Keypad, the motor will free run. Normal operation can resume after the External Fault is
cleared and the AC drive is reset.
d6 External Reset:
Parameter value d6 programs a Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr.4-05), M3 (Pr.4-
06), M4 (Pr.4-07) or M5 (Pr.4-08) to be an External Reset.
RESET
Mx "Close": Operation available
setting by d6
GND
NOTE
the External Reset has the same function as the Reset key on the Digital keypad. After external fault
such as O.H., O.C. and O.V. are clear, this input can be used to reset the drive.
d7, d8, d9 Multi-Step Speed Command:
Parameter values d7, d8, d9 programs any three of the following Multi-Function Input Terminals: M1
(Pr.4-04), M2 (Pr.4-05), M3 (Pr.4-06), M4 (Pr.4-07) or M5 (Pr.4-08) for multi-step speed command
function.
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Chapter 5 Parameters|VFD-S Series
D7 Multi-step 1
Mx "Close": Operation available
Mx "Close": Operation available
D8 Multi-step 2
D9 Multi-step 3
Mx "Close": Operation available
GND
These three inputs select the multi-step speeds defined by Pr.5-00 to Pr.5-06 as shown in the
following diagram. Pr.5-07 to Pr.5-16 can also control output speed by programming the AC drive’s
internal PLC function.
Pr.5-00
Freq.
Pr.5-04
Step 5
Step 1
Pr.5-05
Step 6
Pr.5-01
Step 2
Pr.5-03
Step 4
Pr.5-02
Step 3
Pr.5-06
Step 7
Time
Master Freq.
ON
ON
ON ON
ON
ON
ON ON
ON ON ON
Mx1-GND
Mx2-GND
ON
ON
Mx3-GND
Operation
Command
OFF
d10 Jog Operation Control:
Parameter value d10 programs Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr.4-05), M3 (Pr.4-
06), M4 (Pr.4-07) or M5 (Pr.4-08) for Jog control.
Mx "Close": Operation available
d10 jog operation
command
GND
NOTE
Jog operation programmed by d10 can only be initiated while the motor is stopped. (Refer to Pr.1-13,
Pr.1-14.)
d11 Acceleration/Deceleration Speed Inhibit:
Parameter value d11 programs Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr.4-05), M3 (Pr.4-
06), M4 (Pr.4-07) or M5 (Pr.4-08) for Acceleration/deceleration Inhibit. When the command is
received, acceleration and deceleration is stopped and the AC drive maintains a constant speed.
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Chapter 5 Parameters|VFD-S Series
Frequency
Master Frequency
Deceleration
inhibit
Acceleration
inhibit
Acceleration
inhibit
Deceleration
inhibit
Actual operation frequency
Time
ON
ON
ON
ON
Mx-GND
Operation
command
OFF
ON
d12 First or Second Acceleration/Deceleration Time Selection:
Parameter value d12 programs a Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr.4-05), M3
(Pr.4-06), M4 (Pr.4-07) or M5 (Pr.4-08) to control selection of First or Second
Acceleration/deceleration time. (Refer to Pr.1-09 to Pr.1-12.)
Mx "Close": 2nd Acceleration/Deceleraion
"Open": 1st Acceleration/Deceleration
Mx set d12
GND
Frequency
Master
Frequency
Pr.
1-09
Pr.
1-10
Pr.
1-11
Pr.
1-09
Pr.
1-12
Pr.
1-12
2nd
Deceleration
1st
2nd
Acceleration/
Deceleration
1st
Acceleration/
Deceleration
Acceleration
Time
ON
OFF
ON
Mx-GND
operation
command
ON
ON
ON
d13, d14 External Base Block:
Parameter values d13, d14 program Multi-Function Input Terminals: M1 (Pr.4-04), M2 (Pr.4-05), M3
(Pr.4-06), M4 (Pr.4-07) or M5 (Pr.4-08) for external Base Block control. Value d13 is for normally
open (N.O.) input, and value d14 is for a normally closed (N.C.) input.
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Chapter 5 Parameters|VFD-S Series
B.B.(N.O.)
Mx "Close": Operation available.
setting by d13
B.B.(N.C.)
Mx "Open":Operation available.
GND
setting by d14
NOTE
When a Base-Block signal is received, the AC drive will stop all output and the motor will free run.
When base block control is deactivated, the AC drive will start its speed search function and
synchronize with the motor speed, and then accelerate to Master Frequency.
External
base-block
signal
Speed synchronization
Pr.8-04=d1
detection
Speed search starts with the
reference value
Output
frequency
Output
voltage
Pr.8-06
Min. base-block time
Speed search operation
d15, d16 Increase/Decrease Master Frequency:
Parameter values d15, d16 program the Multi-Function Input Terminals: M1 (Pr.4-04), M2 (Pr.4-05),
M3 (Pr.4-06), M4 (Pr.4-07) or M5 (Pr.4-08) to incrementally increase/ decrease the Master
Frequency each time an input is received.
UP
Mx "Close": Freq. will increase
by one unit.
setting by d15
DOWN
Mx "Close":Freq. will decrease
by one unit.
setting by d16
GND
d17, d18 PLC Function Control:
Parameter value d17 programs Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr.4-05), M3 (Pr.4-
06), M4 (Pr.4-07) or M5 (Pr.4-08) to enable the AC drive internal PLC program. Parameter value
d18 programs an input terminal to pause the PLC program.
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Chapter 5 Parameters|VFD-S Series
PLC operation
Mx "Close": Run PLC.
setting by d17
setting by d18
Mx "Close":Pause PLC.
GND
NOTE
Pr.5-00 to Pr.5-16 define the PLC program.
d19 Counter Trigger:
Parameter value d19 programs Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr.4-05), M3 (Pr.4-
06), M4 (Pr.4-07) or M5 (Pr.4-08) to increase the AC drive’s internal counter. When an input is
received, the counter is increased by 1.
Trigger
Mx counter value increase by
1 when closed.
D19 counter trigger
signal input.
GND
NOTE
The Counter Trigger input can be connected to an external Pulse Signal Generator to count a
processing step or unit of material. See the diagram below.
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Chapter 5 Parameters|VFD-S Series
d20 Counter Reset:
Parameter value d20 programs Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr. 4-05), M3 (Pr.4-
06), M4 (Pr.4-07) or M5 (Pr.4-08) to reset the counter.
Reset counter
Mx "close": reset counter.
d20 reset the counter
value.
GND
d21 Select ACI / Deselect AVI:
Parameter value d21 allows the user to select the input type ACI or AVI via an external switch. AVI is
selected when the contact is open and ACI is selected when the contact is closed. Please note: the
use of this feature will override Pr.2-00 programming and the jumper of the front of the drive must be
moved to the correct location either across the AVI or ACI pin head.
d22 PID function disable:
When input ON with this setting, PID function will be disabled.
d23 JOG FWD:
This function could be operated only when the AC motor drive is stop. The operation direction is
forward, can’t be changed and can be stopped by the STOP key on the keypad. When the contact
is OFF, the AC motor drive will stop by the JOG decel time. Refer to the Pr.1-13 and Pr. 1-14 for
detail.
d24 JOG REV:
This function could be operated only when the AC motor drive is stop. The operation direction is
forward, can’t be changed and can be stopped by the STOP key on the keypad. When the contact
is OFF, the AC motor drive will stop by the JOG decel time. Refer to the Pr.1-13 and Pr. 1-14 for
detail.
d25 The source of master frequency is AVI. (The priority is higher than Pr. 2-00 and d26)
d26 The source of master frequency is ACI. (The priority is higher than Pr. 2-00)
d27 Press UP/DOWN key to switch forward/reverse (N.O.) motion:
When this function is enabled, press
key for forward motion and
key to REV (N.O.)
motion. The keys and will be disabled.
d28 Press UP/DOWN key to switch forward/reverse (N.C.) motion:
When this function is enabled, press key for forward motion and
motion. The keys and will be disabled.
key to REV (N.C.)
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Chapter 5 Parameters|VFD-S Series
d29 M0: 0: RUN 1: STOP, M1: no function, Direction is controlled by keypad
RUN/STOP
M0 "Open": Stop, "Close": Run
M1 No Function
GND
4-09 Line Start Lockout
Factory Setting: d0
Settings
d0
d1
Disable
Enable
ꢁ
When enabled, the AC drive will not start when powered up with run commands applied. To
start in Line Start Lockout mode, the AC drive must see the run command go from stop to run
after power up. When Line Start Lockout is disable (also known as Auto-Start), the drive will
start when powered-up with run commands applied.
4-10 Up/Down Mode
Factory Setting: d0
Settings
d0
d1
Based on accel/decel time
up frequency according to constant speed, down frequency
according to deceleration time
d2
d3
up frequency according to acceleration time, down frequency
according to constant speed
Constant speed
Accel/Decel Rate of Change of UP/DOWN Operation
with Constant Speed
Unit: 5
4-11
Settings
d0 to d1000 Hz/sec
Factory Setting: d1
ꢁ
This parameter is used to set the acceleration/deceleration speed mode when multi-function
terminal is set to up/down frequency. (Pr. 4-04 ~ Pr.4-08, function d15, d16)
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Chapter 5 Parameters|VFD-S Series
Group 5: Multi-step speeds and PLC (Process Logic Control) parameters
5-00
5-01
5-02
5-03
5-04
5-05
5-06
ꢀ1st Step Speed Frequency
ꢀ2nd Step Speed Frequency
ꢀ3rd Step Speed Frequency
ꢀ4th Step Speed Frequency
ꢀ5th Step Speed Frequency
ꢀ6th Step Speed Frequency
ꢀ7th Step Speed Frequency
Unit: 0.01
Unit: 0.01
Unit: 0.01
Unit: 0.01
Unit: 0.01
Unit: 0.01
Unit: 0.01
Settings
d0.0 to d400 Hz
Factory Setting: 0.00
ꢁ
The Multi-Function Input Terminals (refer to Pr.4-04 to 4-08) are used to select one of the AC
drive Multi-Step speeds. The speeds (frequencies) are determined by Pr.5-00 to 5-06 shown
above.
5-07 PLC Mode
Factory Setting: d0
Settings
d0
d1
d2
d3
d4
d5
Disable PLC operation
Execute one program cycle
Continuously execute program cycles
Execute one program cycle step by step
Continuously execute program cycles step by step
Disable PLC operation, but can set direction of 1st speed to 7th
speed
ꢁ
ꢁ
This parameter selects the mode of PLC operation for the AC drive. The PLC program can
be used in lieu of any External Controls, Relays or Switches. The AC drive will change
speeds and directions according to the user’s desired programming.
When this parameter is set to d5 and it is running by external multi-speed, the high priority of
the operation direction is Pr. 5-08.
Example 1 (Pr.5-07 = d1): Execute one cycle of the PLC program. Its relative parameter settings
are:
1.
2.
Pr.5-00 to 5-06: 1st to 7th step speed (sets the frequency of each step speed).
Pr.4-04 to 4-08: Multi-Function Input Terminals (set one multi-function terminal as d17- PLC
auto-operation).
3.
Pr.3-05 to 3-06: Multi-Function Output Terminals (set a Multi-Function Terminal as d10-PLC
operation indication, d11-one cycle in PLC auto mode or d12-PLC operation fulfillment
attainment).
4.
5.
6.
Pr.5-07: PLC mode.
Pr.5-08: Direction of operation for Master Frequency and1st to 7th step speed.
Pr.5-09 to 5-16: operation time setting of Master Frequency and1st to 7th step speed.
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Chapter 5 Parameters|VFD-S Series
Frequency
Master freq.=5Hz
Pr.5-03
5-00=10 Hz
5-01=20 Hz
5-02=40 Hz
5-03=60 Hz
5-04=50 Hz
5-05=30 Hz
5-06=15 Hz
4-07=d17 5-09=10 Sec
3-05=d10
3-06=d11 5-11=12 Sec
5-07=d1 5-12=15 Sec
5-08=d0 5-13=15 Sec
5-14=8 Sec
60Hz
50Hz
5-10=10 Sec
Pr.5-04
Pr.5-02
40Hz
30Hz
5-15=17 Sec
5-16=17 Sec
Pr.5-05
Pr.5-01
20Hz
15Hz
Pr.5-06
Pr.5-00
Master
10Hz
Freq.
5Hz
Time
(Sec)
0Hz
5-12
5-14
5-15
5-16
5-11
5-13
5-10
5-09
Program operation
command
Program operation
output indication
Program step
complete
Program operation
completed
NOTE
The above diagram shows one complete PLC cycle. To restart the cycle, turn the PLC program off
and then back on.
Example 2 (Pr.5-07 = d2): Continuously executes program cycles
The diagram below shows the PLC program stepping through each speed and the automatically
starting again. To stop the PLC program, one must either pause the program or turn it off (Refer to
Pr.4-05 to 4-08 value d17 and d18).
Frequency
Master freq.=5Hz
5-03
60Hz
50Hz
5-00=10 Hz
5-01=20 Hz
5-02=40 Hz
5-03=60 Hz
5-04=50 Hz
5-05=30 Hz
5-06=15 Hz
4-07=d17 5-09=10 Sec
3-05=d11
5-10=10 Sec
3-06=d12 5-11=12 Sec
5-04
5-07=d2
5-08=d0
5-12=15 Sec
5-13=15 Sec
5-14=8 Sec
5-15=17 Sec
5-16=17 Sec
5-02
40Hz
30Hz
5-05
5-01
5-00
20Hz
5-06
15Hz
10Hz
5Hz
5-00
5-10
Time
(Sec)
0Hz
5-12
5-13
5-14
5-15
5-16
5-09
5-10
5-11
5-09
Program step
complete
Program operation
completed
5-48
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Chapter 5 Parameters|VFD-S Series
Example 3 (Pr. 5-07 = d3) Execute one cycle step by step:
The example shows how the PLC can perform one cycle at a time, within a complete cycle. Each
step will use the acceleration/deceleration times in Pr.1-09 to Pr.1-12. It should be noticed that the
time each step spends at its intended frequency is diminished, due to the time spent during
acceleration/deceleration.
Frequency
Master freq.=5Hz
5-00=10 Hz
5-01=20 Hz
5-02=40 Hz
5-03=60 Hz
5-04=50 Hz
5-05=30 Hz
5-06=15 Hz
4-07=d17
3-05=d11
3-06=d12
5-07=d3
5-08=d0
5-09=10 Sec
5-10=10 Sec
5-11=12 Sec
5-12=15 Sec
5-13=15 Sec
5-14=8 Sec
5-15=17 Sec
5-16=17 Sec
5-03
60Hz
5-04
50Hz
40Hz
30Hz
5-05
20Hz
5-06
15Hz
10Hz
5Hz
0Hz
Time
(Sec)
t
t
t
t
5-13
5-15
5-16
5-14
5-09
Program step
complete
Program operation
completed
Example 4 (Pr. 5-07 =d4) Continuously execute PLC cycles step by step:
In this explanation, the PLC program runs continuously step by step. Also shown are examples of
steps in the Reverse direction.
Frequency
Master freq.=5Hz
5-00=10 Hz
5-01=20 Hz
5-02=40 Hz
5-03=60 Hz
5-04=50 Hz
5-05=30 Hz
5-06=15 Hz
4-07=d17
5-09=10 Sec
3-05=d10 5-10=10 Sec
60Hz
50Hz
40Hz
3-06=d11
5-07=d4
5-08=d68
5-11=12 Sec
5-12=15 Sec
5-13=15 Sec
5-14=8 Sec
5-15=17 Sec
5-16=17 Sec
FWD
15Hz
10Hz
Time
(Sec)
0Hz
5-09
t
REV
20Hz
30Hz
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Chapter 5 Parameters|VFD-S Series
Example 5 (Pr. 5-07 = d1 Execute one cycle of the PLC program):
In this example, the PLC program runs continuously. It should be noted that the times of reserve
motion may be shorter than expected, due to the acceleration/deceleration times.
Frequency
Master freq.=5Hz
5-00=10 Hz
5-01=20 Hz
5-02=40 Hz
5-03=60 Hz
5-04=50 Hz
5-05=30 Hz
5-06=15 Hz
4-07=d17 5-09=10 Sec
60Hz
50Hz
40Hz
3-05=d10
3-06=d11
5-07=d1
5-10=10 Sec
5-11=12 Sec
5-12=15 Sec
5-13=15 Sec
5-14=8 Sec
5-15=17 Sec
5-16=17 Sec
5-08=d68
FWD
15Hz
10Hz
Time
(Sec)
0Hz
5-09
REV
20Hz
30Hz
* The calculation of time for Pr.5-11, Pr.5-12, Pr.5-15 and Pr.5-16 should be carefully planned.
5-08
PLC Forward/Reverse Motion
Settings d0 to d255
Unit: 1
Factory Setting: d0
ꢁ
This parameter controls the direction of motion for the Multi-Step Speed Pr.5-00 to Pr.5-06
and the Master Frequency. The original direction of Master Frequency will become invalid.
NOTE
The equivalent 8-bit number is used to program the forward/reverse motion for each of the 8 speed
steps (including Master Frequency). The binary notation for the 8-bit number must be translated into
decimal notation and then be entered.
0=Forward
Weights
1=Reverse
Bit
7
6
5
4
3
2
1
0
Director of Master Frequency during PLC
Direction of 1st speed for Pr.5-00
Direction of 2nd speed for Pr.5-01
Direction of 3rd speed for Pr.5-02
Direction of 4th speed for Pr.5-03
Direction of 5th speed for Pr.5-04
Direction of 6th speed for Pr.5-05
Direction of 7th speed for Pr.5-06
5-50
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Chapter 5 Parameters|VFD-S Series
Weights
Bit
0=Forward
1=Reverse
7
0
6
1
5
1
4
0
3
0
2
1
1
0
0
0
Direction
WD
Direction of 1st speed for Pr.5-00 =FWD
Direction of 2nd speed for Pr.5-01 =REV
Direction of 3rd speed for Pr.5-02 = FWD
Direction of 4th speed for Pr.5-03 = F
Direction of 5th speed for Pr.5-04 = F
WD
WD
Direction of 6th speed for Pr.5-05 = REV
Direction of 7th speed for Pr.5-06 = FWD
The setting value = bit7 x 27+bit6 x 26+bit5 x 25+bit4 x 24+bit3 x 23+bit2 x 22+bit1 x 21+bit0 x 20
= 0 x 27+1 x 26+0 x 25+0 x 24+0 x 23+1 x 22+0 x 21+0 x 20
= 0+64+0+0+0+4+0+0
= 68
Setting Pr.5-08 as d68.
5-09
5-10
5-11
5-12
5-13
5-14
5-15
5-16
Time Duration of Zero Step Speed
Time Duration of 1st Step Speed
Time Duration of 2nd Step Speed
Time Duration of 3rd Step Speed
Time Duration of 4th Step Speed
Time Duration of 5th Step Speed
Time Duration of 6th Step Speed
Time Duration of 7th Step Speed
Unit: 1
Unit: 1
Unit: 1
Unit: 1
Unit: 1
Unit: 1
Unit: 1
Unit: 1
Settings
d0 to d65500
Factory Setting: d0
ꢁ
Pr.5-10 to Pr.5-16 correspond to operation time of each multi-step speed defined by
parameters 5-00 to 5-06. The maximum value of these parameters is 65500 sec., and it’s
displayed as d65.5.
NOTE
If a parameter is set to “d0” (0 Sec), the corresponding step will be skipped. This is commonly used
to reduce number of program steps.
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Chapter 5 Parameters|VFD-S Series
Group 6: Protection Parameters
6-00 Over-Voltage Stall Prevention
Unit: 0.1
Factory Setting: d1
Settings d0
d1
Disable
Enable
ꢁ
During deceleration, the motor DC bus voltage may exceed its Maximum Allowable Value due
to motor regeneration. When this function is enabled, the AC drive will stop decelerating.
Maintaining a constant output frequency when it happens. The AC drive will only resume
deceleration when the voltage drops below preset value.
NOTE
With a moderate inertial load, the over-voltage during deceleration won’t happen, and the drive will
stop in programmed time. The AC drive will automatically extend the deceleration time with high
inertial loads. If deceleration time is critical for the application, then dynamic braking resistors should
be used.
Over-Voltage Stall Prevention Level
6-01
Unit: 1
Factory Setting: 390
Factory Setting: 780
Settings 230V Series d350 to d410V
460V Series d700 to d820V
ꢁ
ꢁ
During deceleration, the DC bus voltage may exceed its maximum allowable value due to
motor regeneration. When this function is enabled, the AC drive will stop decelerating.
Maintaining a constant output frequency when it happens. The AC drive will resume
deceleration when the voltage drops below preset value.
With a moderate inertial load, the over-voltage during deceleration won’t happen, and the
drive will stop in programmed time. The AC drive will automatically extend the deceleration
time with high inertial loads. If deceleration time is critical for the application, then dynamic
braking resistors should be used.
5-52
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Chapter 5 Parameters|VFD-S Series
DC bus voltage
Over-voltage
detection
Band=20V
time
level Pr.6-01
Output
Freq.
time
Over-voltage Stall Prevention
6-02
Unit: 1
Over-Current Stall Prevention Level
Settings
d20 to d150%
Factory Setting: d130
ꢁ
ꢁ
A setting of 100% is equal to the Rated Output Current of the drive.
During acceleration and steady-state operation, the AC drive output current may increase
abruptly to exceed the value specified by Pr.6-02 due to rapid acceleration or excessive load
on the motor. When this function is enabled, the AC drive will decrease. The AC drive will only
resume acceleration when the current drops below the level specified by Pr. 6-02.
Output current
Over-current
ON
detection
Band=5%
OFF
level
Pr.6-02
time
Output
frequency
time
Over-current Stall Prevention Level
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Chapter 5 Parameters|VFD-S Series
6-03 Over-Torque Detection Mode (OL2)
Factory Setting: d0
Settings
d0
d1
Over-Torque detection disabled.
Enabled during constant speed operation. After the over-torque is
detected, keep running until OL1 or OL occurs.
d2
d3
d4
Enabled during constant speed operation. After the over-torque is
detected, stop running.
Over-Torque detection enabled during running, and continues to run
till OL1 or OL.
Enabled during running. After the over-torque is detected, stop
running.
6-04
Over-Torque Detection Level
Settings d30 to d200%
Unit: 1
Factory Setting: d150
ꢁ
This setting is proportional to the Rated Output Current of the drive.
6-05
Over-Torque Detection Time
Settings d0.1 to d10.0 sec
Unit: 0.1
Factory Setting: d0.1
ꢁ
If a Multi-Function Output Terminal is set as Over-Torque Detection Indication and the output
current exceeds the Over-Torque Detection Level (Pr.6-04, Factory Setting: 150%), the Over-
Torque Detection Time (Pr.6-05, Factory setting: 0.1) and the setting of multi-function terminal
is Over-Torque Detection Indication, the contact will be “close”.
6-06 Electronic Thermal Overload Relay Selection
Factory Setting: d2
Settings
0
1
2
Operate with a Standard Motor (self-cooled by fan)
Operate with a Special Motor (forced external cooling)
Operation disabled
ꢁ
ꢁ
This function is used to protect the motor from overloading or overheating.
6-07 ꢀElectronic Thermal Characteristic
Unit: 1
Factory Setting: d60
Settings
d30 to d600Sec
The parameter determines the time required activating the I2t electronic thermal protection
function. The graph below shows I2t curves for 150% output power for 1 minute.
5-54
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Chapter 5 Parameters|VFD-S Series
Operation
time(min)
5
60Hz or more
50Hz
4
3
2
10Hz
5Hz
1
Load
140 180 200 factor (%)
0
40
100
160
20
80
60
120
6-08 Present Fault Record
6-09 Second Most Recent Fault Record
6-10 Third Most Recent Fault Record
Factory Setting: d0
Readings
d0
d1
d2
d3
d4
d5
d6
d7
d8
d9
d10
d11
No fault
Over-current (oc)
Over-voltage (ov)
Overheat (oH)
Overload (oL)
Overload1 (oL1)
External fault (EF)
Reserved
Reserved
Current exceeds 2 times rated current during accel. (ocA)
Current exceeds 2 times rated current during decel.(ocd)
Current exceeds 2 times rated current during steady state operation
(ocn)
d12
d13
d14
d15
d16
d17
d18
d19
Ground fault (GF)
Reserved
Low voltage (Lv)
CPU failure 1 (cF1)
CPU failure 2 (cF2)
Base block (b.b.)
Overload (oL2)
Auto acceleration/deceleration failure (cFA)
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Chapter 5 Parameters|VFD-S Series
d20
d21
d22
d23
d24
d25
d26
d27
d28
d29
d30
d31
d32
d33
d34
d35
d36
d37
d38
Software protection enable (codE)
Reserved
CPU failure (cF3.1)
CPU failure (cF3.2)
CPU failure (cF3.3)
CPU failure (cF3.4)
CPU failure (cF3.5)
CPU failure (cF3.6)
CPU failure (cF3.7)
Hardware protection failure (HPF.1)
Hardware protection failure (HPF.2)
Hardware protection failure (HPF.3)
Communication time-out (CE10)
Reserved
Software error (SErr)
Reserved
PID error (Pld)
Reserved
Phase loss (PHL)
ꢁ
Pr.6-08 to 6-10 store records of the three most recent faults that had occurred. Use the reset
key to reset the drive when the fault no longer exits.
5-56
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Chapter 5 Parameters|VFD-S Series
Group 7: Motor Parameters
7-00 ꢀMotor Rated Current
Settings d30 to d120%
Unit: 1
Factory Setting: d85
ꢁ
This parameter will limit the AC drive output current in order to prevent the motor from
overheating.
ꢀMotor No-load Current
Settings d0 to d90%
7-01
Unit: 1
Factory Setting: d50
ꢁ
The rated current of the AC drive is regarded as 100%. Motor setting of no-load current will
effect the slip compensation. The setting value must be less than motor rated current setting
Pr.7-00
7-02
ꢀTorque Compensation
Settings d0 to d10
Unit: 0.1
Factory Setting: d1
ꢁ
This parameter may be set so that the AC drive will increase its voltage output during start-up
to obtain a higher initial starting torque.
7-03 ꢀSlip Compensation
Settings d0.0 to d10.0
Unit: 0.01
Factory Setting: d0.0
ꢁ
While driving an asynchronous motor, load on the AC drive will increase, causing an increase
in slip. This parameter may be used to compensate the nominal slip within a range of 0 to 10.
When the output current of the AC drive is greater than the motor no-load current (Pr.7-01),
the AC drive will adjust its output frequency according to this parameter.
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Chapter 5 Parameters|VFD-S Series
Group 8: Special Parameters
8-00
DC Braking Current Level
Settings d0 to d30%
Unit: 1
Factory Setting: d0
ꢁ
This parameter determines the level of DC Braking Voltage Level output to the motor during
start-up and stopping. When setting DC Braking Voltage, the Maximum Output Voltage (Pr.1-
02) is regarded as 100%. It is recommended to start with a low DC Braking Voltage Level and
then increase until proper holding torque has been attained.
8-01
DC Braking Time during Start-up
Settings d0.0 to d60.0 sec
Unit: 0.1
Factory Setting: d0.0
ꢁ
This parameter determines the duration of time that the DC Braking Current will be applied to
the motor during the AC drive start-up.
8-02
DC Braking Time during Stopping
Settings d0.0 to d60.0 sec
Unit: 0.1
Factory Setting: d0.0
ꢁ
This parameter determines the duration of time that the DC braking voltage will be applied to
the motor during stopping. If stopping with DC Braking is desired, then Pr.2-02 must be set to
RAMP stop (d0).
8-03
Start-Point for DC Braking
Settings d0.0 to d400Hz
Unit: 0.1
Factory Setting: d0.0
ꢁ
This parameter determines the frequency when DC Braking will begin during deceleration.
Output Frequency
Start-Point for
DC Braking
Time during
Stopping
01-05
Minimum Output
Frequency
08-03
Time
08-01
Operation
Command
08-02
OFF
ON
DC Braking Voltage %
5-58
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DC Braking during Start-up is used for loads that may move before AC drive starts, such as
fans and pumps. These loads may also be moving in the wrong direction. Under such
circumstances, DC Braking can be executed to hold the load in position before applying a
forward motion.
ꢁ
ꢁ
DC Braking during stopping is used to decrease stopping time and also to hold a stopped
load in position. For high inertial loads, a dynamic braking resistor may be needed for quick
decelerations.
8-04 Momentary Power Loss Operation Selection
Factory Setting: d0
Settings
d0
d1
Operation stops after momentary power loss
Operation continues after momentary power loss, speed search
starts with the Master Frequency reference value
d2
Operation continues after momentary power loss, speed search
starts with the minimum frequency
8-05
Maximum Allowable Power Loss Time
Settings d0.3 to d5.0Sec
Unit: 0.1
Factory Setting: d2.0
ꢁ
During a power loss, if the power loss time is less than the time defined by this parameter, the
AC drive will resume operation. If the Maximum Allowable Power Loss Time is exceeded, the
AC drive output is then turned off.
8-06 Base Block Speed Search
Settings d0.3 to d5.0Sec
Unit: 0.1
Factory Setting: d0.5
ꢁ
When a momentary power loss is detected, the AC drive turns off for a specified time interval
determined by Pr.8-06 before resuming operation. This time interval is called Base-Block.
This parameter should be set to a value where the residual output voltage is nearly zero,
before the drive resumes operation.
ꢁ
This parameter also determines the searching time when performing external Base-Block and
fault reset.
8-07
Current Limit for Speed Search
Unit: 1
Settings
Factory Setting: d150
d30 to d200％
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Chapter 5 Parameters|VFD-S Series
ꢁ
Following a power failure, the AC drive will start its speed search operation, only if the output
current is greater than the value determined by Pr.8-07. When the output current is less than
that of Pr.8-07, the AC drive output frequency is at a “speed synchronization point”. The drive
will start to accelerate or decelerate back to the operating frequency at which it was running
prior to the power failure.
Maximum Allowable
Maximum
Power Loss Time
Power
Input
Allowable Power
08-05
08-05
Speed
Synchronization
Detection
Speed Search
08-04=d1
08-04=d2
Speed search starts
with the Master
Frequency
Output
Frequency
Speed search starts with
Min. Output Frequency
Output
Voltage
08-06
Baseblock Time
08-06
Baseblock Time
8-08
8-09
8-10
8-11
8-12
8-13
Skip Frequency 1 Upper Limit
Skip Frequency 1 Lower Limit
Skip Frequency 2 Upper Limit
Skip Frequency 2 Lower Limit
Skip Frequency 3 Upper Limit
Skip Frequency 3 Lower Limit
Unit: 0.1
Unit: 0.1
Unit: 0.1
Unit: 0.1
Unit: 0.1
Unit: 0.1
Settings
d0.0 to d400Hz
Factory Setting: d0.0
ꢁ
ꢁ
These parameters determine Skip frequency. It will cause the AC drive to skip operation at
these frequency ranges with continuous frequency output.
Pr.8-9, Pr.8-11, Pr.8-13 are for Lower Bound setting, and the settings should follow as Pr.8-9
≧Pr.8-11≧Pr.8-13.
8-14 Auto Restart After Fault
Settings d0 to d10
Unit: 1
Factory Setting: d0
ꢁ
After fault occurs (allowable faults: over-current OC, over-voltage OV), the AC drive can be
reset/restarted automatically up to 10 times. Setting this parameter to 0 will disable the
reset/restart operation after any fault has occurred. When enabled, the AC drive will restart
with speed search, which starts at the Master Frequency.
5-60
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Chapter 5 Parameters|VFD-S Series
8-15
Automatic Voltage Regulation (AVR)
Factory Setting: d0
Settings
d0
d1
d2
AVR function enabled
AVR function disabled
AVR function disabled when deceleration
ꢁ
AVR function automatically regulates the AC drive output voltage to the Maximum Output
Voltage (Pr.1-02). For instance, if Pr.1-02 is set at 200 VAC and the input voltage is at 200V
to 264VAC, then the Maximum Output Voltage will automatically be reduced to a maximum of
200 VAC.
ꢁ
ꢁ
Without AVR function, the Maximum Output Voltage may vary between 180V to 264VAC, due
to the input voltage varying between 180V to 264 VAC.
Selecting program value d2 enables the AVR function and also disables the AVR function
during deceleration. This offers a quicker deceleration.
Software Braking Level
Settings 230V series: d350 to d450V
460V series: d700to d900V
8-16
Unit: 1
Factory Setting: d380
Factory Setting: d760
ꢁ
During deceleration, the DC-bus voltage will increase due to motor regeneration. When DC
bus voltage level exceeds the Software Braking Level, the DC brake output pins (B1, B2) will
be activated.
Lower Bound of DC Braking Start-up Frequency
Settings d0.0 to d400 Hz
8-17
Unit: 0.1
Factory Setting: d0.0
ꢁ
The setting frequency is lower than Pr.8-17, the DC Braking will not be activated when stops.
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Chapter 5 Parameters|VFD-S Series
Group 9: Communication Parameters
9-00
ꢀCommunication Address
Settings d1 to d254
Factory Setting: d1
ꢁ
If the AC drive is controlled by RS-485 serial communication, the communication address
must be set via this parameter.
RS485
Computer
d3
d2
d1
S1
S1
S1
9-01
ꢀTransmission Speed
Factory Setting: d1
Settings
d0
d1
d2
d3
Baud rate 4800 bps (bits / second)
Baud rate 9600 bps
Baud rate 19200 bps
Baud rate 38400 bps
ꢁ
Users can set parameters and control the operation of the AC drive via the RS-485 serial
interface of a personal computer. This parameter is used to set the transmission speed
between the computer and AC drive.
9-02
ꢀTransmission Fault Treatment
Factory Setting: d0
Settings
d0
d1
d2
d3
Warn and keep operating
Warn and RAMP to stop
Warn and COAST to stop
No warning and keep operating
5-62
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Chapter 5 Parameters|VFD-S Series
9-03
ꢀTime-out Detection
Factory Setting: d0
Settings
d0
d1
d2
:
Disable
1 sec
2 sec
d20
20 sec
ꢁ
If this function is enabled, the timer will start counting once the first valid Modbus
communication signal is received after power-up or reset. The timer will reset to 0 after each
valid Modbus communication message is received. If the watchdog timer reaches the value
set in Pr. 9-03, the drive will stop its output and display the message "CE10" on the digital
keypad. This fault can reset by an external terminal, keypad or a Modbus communication
reset command.
9-04 ꢀCommunication Protocol
Factory Setting: d0
Settings
d0
d1
d2
d3
d4
d5
d6
d7
d8
Modbus ASCII mode, protocol <7,N,2>
Modbus ASCII mode, protocol <7,E,1>
Modbus ASCII mode, protocol <7,O,1>
Modbus ASCII mode, protocol <8,N,2>
Modbus ASCII mode, protocol <8,E,1>
Modbus ASCII mode, protocol <8,O,1>
Modbus RTU mode, protocol <8,N,2>
Modbus RTU mode, protocol <8,E,1>
Modbus RTU mode, protocol <8,O,1>
ꢁ
1. Computer Control
1: +EV
2: GND
3: SG-
4: SG+
1
6
ꢂThere is a built-in RS-485 serial interface, marked (RJ-11 Jack) on the control terminal
block, for VFD-S Series. The pins are defined above. Each VFD-S AC drive has a pre-
assigned communication address specified by Pr. 9-00. The computer then controls
each AC drive according to its communication address.
ꢂVFD-S can be setup to communicate on Modbus networks using one of the following
modes: ASCII (American Standard Code for Information Interchange) or RTU (Remote
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Terminal Unit). Users can select the desired mode along with the serial port
communication protocol in Pr. 9-04.
ꢂCode Description:
ASCII mode:
Each 8-bit data is the combination of two ASCII characters. For example, a 1-byte data:
64 Hex, shown as ‘64’ in ASCII, consists of ‘6’ (36Hex) and ‘4’ (34Hex).
Character
‘0’
‘1’
‘2’
‘3’
‘4’
‘5’
‘6’
‘7’
ASCII code
30H
31H
32H
33H
34H
35H
36H
37H
Character
‘8’
‘9’
‘A’
‘B’
‘C’
‘D’
‘E’
‘F’
ASCII code
38H
39H
41H
42H
43H
44H
45H
46H
RTU mode:
Each 8-bit data is the combination of two 4-bit hexadecimal characters. For example, 64
Hex.
ꢁ
2. Data Format
2.1 10-bit character frame (For 7-bit character):
( 7.N.2)
Start
bit
Stop
bit
Stop
bit
5
0
1
2
3
4
6
6
7-bit character
10-bit character frame
( 7.E.1)
Start
bit
Even
parity
Stop
bit
0
3
4
5
1
2
7-bit character
10-bit character frame
( 7.O.1)
Start
bit
Odd
parity
Stop
bit
0
1
2
3
4
5
6
7-bit character
10-bit character frame
2.2 11-bit character frame (For 8-bit character):
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( 8.N.2 )
Start
bit
Stop Stop
7
0
0
0
1
1
1
2
3
4
5
6
6
6
bit
bit
8-bit character
11-bit character frame
( 8.E.1 )
Even
parity
Start
bit
Stop
bit
5
2
3
4
7
7
8-bit character
11-bit character frame
( 8.O.1 )
Odd
parity
Start
bit
Stop
bit
5
2
3
4
8-bit character
11-bit character frame
ꢁ
3. Communication Protocol
3.1 Communication Data Frame:
ASCII mode:
STX
Start character ‘:’ (3AH)
Communication address:
8-bit address consists of 2 ASCII codes
Command code:
8-bit command consists of 2 ASCII codes
Contents of data:
ADR 1
ADR 0
CMD1
CMD0
DATA (n-1)
n x 8-bit data consist of 2n ASCII codes.
…….
DATA 0
n <= 25，maximum of 50 ASCII codes
LRC CHK 1 LRC check sum:
8-bit check sum consists of 2 ASCII codes
End characters:
LRC CHK 0
END1
END1= CR (0DH), END0= LF (0AH)
END0
RTU mode:
START
A silent interval of more than 10 ms
Communication address: 8-bit address
Command code: 8-bit command
ADR
CMD
DATA (n-1)
…….
Contents of data:
n x 8-bit data, n<= 25
DATA 0
CRC CHK
Low
CRC check sum:
16-bit check sum consists of 2 8-bit characters
CRC CHK
High
END
A silent interval of more than 10 ms
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3.2 ADR (Communication Address)
Valid communication addresses are in the range of 0 to 254. A communication address equal to
0, means broadcast to all AC drives (AMD). In this case, the AMD will not reply any
message to the master device.
00H: broadcast to all AC drives
01H: AC drive of address 01
0FH: AC drive of address 15
10H: AC drive of address 16
:
FEH: AC drive of address 254
For example, communication to AMD with address 16 decimal (10H):
ASCII mode: Address=’1’,’0’ => ‘1’=31H, ‘0’=30H
RTU mode: Address=10H
3.3 CMD (Command code) and DATA (data characters)
The format of data characters depends on the command code. The available command codes
are described as followed: Command code: 03H, read N words. The maximum value
of N is 12. For example, reading continuous 2 words from starting address 2102H of
AMD with address 01H.
ASCII mode:
Response message:
Command message:
STX
‘:’
STX
‘:’
ADR 1
ADR 0
‘0’
‘1’
‘0’
ADR 1
ADR 0
‘0’
‘1’
‘0’
‘3’
CMD 1
CMD 0
CMD 1
CMD 0
‘3’
‘2’
‘1’
‘0’
‘2’
‘0’
‘0’
‘0’
‘2’
‘D’
‘7’
CR
LF
Number of data
(Count by byte)
‘0’
‘4’
‘1’
‘7’
‘7’
‘0’
‘0’
‘0’
‘0’
‘0’
‘7’
‘1’
CR
LF
Starting data
address
Content of starting
address
2102H
Number of data
(count by word)
Content of address
2103H
LRC CHK 1
LRC CHK 0
END 1
LRC CHK 1
LRC CHK 0
END 1
END 0
END 0
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RTU mode:
Command message:
Response message:
ADR
CMD
Starting data
address
Number of data
(count by word)
CRC CHK Low
CRC CHK High
01H
03H
21H
02H
00H
02H
6FH
F7H
ADR
CMD
Number of data
(count by byte)
Content of address
2102H
Content of address
2103H
CRC CHK Low
CRC CHK High
01H
03H
04H
17H
70H
00H
00H
FEH
5CH
(2) 06H: single write, write single data to register.
Example: writing data 6000(1770H) to register 0100H. AMD address is 01H.
ASCII mode:
Command message:
Response message:
STX
‘:’
STX
‘:’
‘0’
‘1’
‘0’
‘6’
‘0’
‘1’
‘0’
‘0’
‘1’
‘7’
‘7’
‘0’
‘7’
‘1’
CR
LF
ADR 1
ADR 0
CMD 1
CMD 0
‘0’
‘1’
‘0’
‘6’
‘0’
‘1’
‘0’
‘0’
‘1’
‘7’
‘7’
‘0’
‘7’
‘1’
CR
LF
ADR 1
ADR 0
CMD 1
CMD 0
Data address
Data content
Data address
Data content
LRC CHK 1
LRC CHK 0
END 1
LRC CHK 1
LRC CHK 0
END 1
END 0
END 0
RTU mode:
Response message:
Command message:
ADR
CMD
01H
06H
01H
00H
17H
70H
86H
22H
ADR
CMD
01H
06H
01H
00H
17H
70H
86H
22H
Data address
Data content
Data address
Data content
CRC CHK Low
CRC CHK High
CRC CHK Low
CRC CHK High
(3) Command code: 10H, write n word, n<=12
For example, writing 6000(1770H) to Pr 5-00 (address 0500H) and1000(03E8H) to Pr 5-01
(address 0501H) with slave address 01H.
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ASCII Mode:
Command message:
Response message:
STX
ADR 1
ADR 0
CMD1
CMD0
‘:’
STX
ADR 1
ADR 0
CMD1
CMD0
‘:’
‘0’
‘1’
‘1’
‘0’
‘0’
‘5’
‘0’
‘0’
‘0’
‘0’
‘0’
‘2’
‘E’
‘0’
‘1’
‘1’
‘0’
‘0’
‘5’
‘0’
‘0’
‘0’
‘0’
‘0’
‘2’
‘0’
Starting Data address
Starting Data
address
Number of data
(count by word)
Number of data
(count by word)
Number of data
(count by byte)
LRC CHK 1
‘4’
‘1’
LRC CHK 0
END1
‘8’
CR
LF
Data content of
address 0500H
‘7’
‘7’
‘0’
‘0’
‘3’
‘E’
‘8’
‘7
END0
Data content of
address 0501H
LRC CHK 1
LRC CHK 0
END1
‘2
CR
LF
END0
RTU mode:
Command message:
Response message:
ADR
ADR
CMD
01H
10H
01H
10H
CMD
Starting Data address
05H
00H
00H
02H
04H
Starting Data address
05H
00H
00H
02H
41H
Number of data
(count by word)
Number of data
(count by Byte)
Number of data
(count by word)
CRC CHK Low
CRC CHK High
04H
Data content of address 0500H
Data content of address 0501H
17H
70H
03H
E8H
C8H
2EH
CRC CHK Low
CRC CHK High
3.4 Check sum
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ASCII mode:
LRC (Longitudinal Redundancy Check) is calculated by summing up, module 256, the values of
the bytes from ADR1 to last data character then calculating the hexadecimal
representation of the 2’s-complement negation of the sum.
For example, reading 1 word from address 0401H of the AC drive with address 01H
STX
ADR 1
ADR 0
CMD1
CMD0
‘:’
‘0’
‘1’
‘0’
‘3’
‘0’
‘4’
‘0’
‘1’
‘0’
‘0’
‘0’
‘1’
‘F’
‘6’
CR
LF
Starting data address
Number of data
LRC CHK 1
LRC CHK 0
END1
END0
01H+03H+04H+01H+00H+01H=0AH, the 2’s-complement negation of 0AH is F6H.
RTU mode:
ADR
CMD
01H
03H
Starting address
21H
02H
00H
02H
6FH
F7H
Number of data
(count by word)
CRC CHK Low
CRC CHK High
CRC (Cyclical Redundancy Check) is calculated by the following steps:
Step 1: Load a 16-bit register (called CRC register) with FFFFH.
Step 2: Exclusive OR the first 8-bit byte of the command message with the low order
byte of the 16-bit CRC register, putting the result in the CRC register.
Step 3: Examine the LSB of CRC register.
Step 4: If the LSB of CRC register is 0, shift the CRC register one bit to the right with MSB zero
filling, then repeat step 3. If the LSB of CRC register is 1, shift the CRC register one
bit to the right with MSB zero filling, Exclusive OR the CRC register with the
polynomial value A001H, then repeat step 3.
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Step 5: Repeat step 3 and 4 until eight shifts have been performed. When this is done, a
complete 8-bit byte will have been processed.
Step 6: Repeat step 2 to 5 for the next 8-bit byte of the command message. Continue doing this
until all bytes have been processed. The final contents of the CRC register are the
CRC value. When transmitting the CRC value in the message, the upper and lower
bytes of the CRC value must be swapped, i.e. the lower order byte will be transmitted
first.
The following is an example of CRC generation using C language. The function takes two
arguments:
Unsigned char* data ꢃa pointer to the message buffer
Unsigned char length ꢃthe quantity of bytes in the message buffer
The function returns the CRC value as a type of unsigned integer.
Unsigned int crc_chk(unsigned char* data, unsigned char length){
int j;
unsigned int reg_crc=0xFFFF;
while(length--){
reg_crc ^= *data++;
for(j=0;j<8;j++){
if(reg_crc & 0x01){ /* LSB(b0)=1 */
reg_crc=(reg_crc>>1) ^ 0xA001;
}else{
reg_crc=reg_crc >>1;
}
}
}
return reg_crc;
}
3.5 Address list
The contents of available addresses are shown as below:
Content
AC drive
Parameters
Address
ggnnH
Functions
gg means parameter group, nn means parameter number, for
example, the address of Pr 4-01 is 0401H. Referencing to
chapter 5 for the function of each parameter. When reading
parameter by command code 03H, only one parameter can be
read at one time.
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Content
Command
Address
2000H
Functions
00: No function
Bit 0-1
01: Stop
10: Run
11: Jog + Run
Bit 2-3
Bit 4-5
Not used
00: No function
01: FWD
10: REV
11: Change direction
Bit 6-15
Freq. command
Bit 0
Not used
2001H
2002H
1: EF (external fault) on
1: Reset
Bit 1
Bit 2-15
Not used
Status
monitor
Read only
2100H
Error code:
0: No errors occurred
1: Over-current (oc)
2: Over-voltage (ov)
3: Overheat (oH)
5: Overload1 (oL1)
6: External fault (EF)
7: Not used
8: Not used
9: Current exceeds 2 times rated current during acceleration
(ocA)
10: Current exceeds 2 times rated current during deceleration
(ocd)
11: Current exceeds 2 times rated current during steady state
operation (ocn)
12: Ground Fault (GF)
13: Reserved
14: Low voltage (Lv)
15: CPU failure 1 (cF1)
16: CPU failure 2 (cF2)
17: Base block
18: Overload (oL2)
19: Auto acceleration/deceleration failure (cFA)
20: Software protection enable (codE)
21: Reserved
22: CPU failure (cF3.1)
23: CPU failure (cF3.2)
24: CPU failure (cF3.3)
25: CPU failure (cF3.4)
26: CPU failure (cF3.5)
27: CPU failure (cF3.6)
28: CPU failure (cF3.7)
29: Hardware protection failure (HPF.1)
30: Hardware protection failure (HPF.2)
31: Hardware protection failure (HPF.3)
32: CE 10
33: Reserved
34: Software error (SErr)
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Content
Address
Functions
35: Reserved
36: PID error (Pld)
37: Reserved
38: Phase loss (PHL)
2101H
Status of AC Drive
00: RUN LED light off, STOP LED light up
01: RUN LED blink, STOP LED light up
10: RUN LED light up, STOP LED blink
11: RUN LED light up, STOP LED light off
01: Jog active
Bit 0-1
Bit 2
00: REV LED light off, FWD LED light up
01: REV LED blink, FWD LED light up
10: REV LED light up, FWD LED blink
11: REV LED light up, FRD LED light off
Not used
1: Main freq. Controlled by communication
1: Main freq. Controlled by external terminal
1: Operation command controlled by communication
Bit 3-4
Bit 5-7
Bit 8
Bit 9
Bit 10
Bit 11
1: Parameters have been locked
Bit 12-15 Not Used
2102H
2103H
2104H
2105H
2106H
2107H
2108H
2109H
210AH
Frequency command F (XXX.XX)
Output Frequency H (XXX.XX)
Output Current A (XXX.XX)
DC-BUS Voltage U (XXX.XX)
Output Voltage E (XXX.XX)
Step number of Multi-Step Speed Operation
Step number of PLC operation
Time of PLC Operation
Counter Value
3.6 Exception response:
The AC motor drive is expected to return a normal response after receiving command
messages from the master device. The following depicts the conditions when no
normal response is replied to the master device.
The AC motor drive does not receive the messages due to a communication error; thus, the AC
motor drive has no response. The master device will eventually process a timeout
condition.
The AC motor drive receives the messages without a communication error, but cannot handle
them. An exception response will be returned to the master device and an error
message “CExx” will be displayed on the keypad of AC motor drive. The xx of “CExx”
is a decimal code equal to the exception code that is described below.
In the exception response, the most significant bit of the original command code is set to 1, and
an exception code which explains the condition that caused the exception is
returned.
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Example of an exception response of command code 06H and exception code 02H:
ASCII mode:
STX
ADR 1
ADR 0
CMD1
RTU mode:
ADR
CMD
‘:’
‘0’
‘1’
‘8’
‘6’
‘0’
‘2’
‘7’
‘7’
CR
LF
01H
86H
02H
C3H
A1H
Exception code
CRC CHK Low
CRC CHK High
CMD0
Exception code
LRC CHK 1
LRC CHK 0
END1
END0
The explanation of exception codes:
Exception Meaning
code
Illegal command code: The command code received in the command
message is not available for the AC drive.
1
Illegal data address: The data address received in the command
message is not available for the AC drive.
Illegal data value: The data value received in the command message
is not available for the AC drive.
Slave device failure: The AC drive is unable to perform the requested
action.
2
3
4
The AC drive receives the messages, but detects a communication error, thus, no response is
returned, but there will be error message “CExx” displayed on the keypad of AC drive. The master
device will eventually process a timeout condition. The xx of “CExx” is a decimal code, the meaning
of the error message is below:
Error
Meaning
message
5
eserved
AC drive busy:
The time interval between commands is too short. Please keep an
interval of 10ms at least after the return of a command. If no command
6
returned, please keep a 10ms interval at least for the same reason.
7
8
9
Reserved
Reserved
Check Sum Error: Check if the Check Sum is correct.
Watchdog Timer: The timer will reset to 0 after each valid Modbus
communication message is received.
10
11
12
13
Frame Error: Check if the Baud rate complies with the data format.
The command message is too short.
Command message length is out of range.
The command messages include the data that does not belong to ‘0’ to
‘9’, ‘A’ to ‘F except starting and end character (only for Modbus ASCII
mode).
14
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3.7 Communication program of PC:
The following is a simple example of how to write a communication program for Modbus ASCII
mode on a PC in C language.
#include<stdio.h>
#include<dos.h>
#include<conio.h>
#include<process.h>
#define PORT 0x03F8 /* the address of COM1 */
/* the address offset value relative to COM1 */
#define THR 0x0000
#define RDR 0x0000
#define BRDL 0x0000
#define IER 0x0001
#define BRDH 0x0001
#define LCR 0x0003
#define MCR 0x0004
#define LSR 0x0005
#define MSR 0x0006
unsigned char rdat[60];
/* read 2 data from address 2102H of AC drive with address 1 */
unsigned char tdat[60]={':','0','1','0','3','2','1','0',’2', '0','0','0','2','D','7','\r','\n'};
void main(){int i;
outportb(PORT+MCR,0x08);
outportb(PORT+IER,0x01);
/* interrupt enable */
/* interrupt as data in */
outportb(PORT+LCR,(inportb(PORT+LCR) | 0x80));
/* the BRDL/BRDH can be access as LCR.b7==1 */
outportb(PORT+BRDL,12);
outportb(PORT+BRDH,0x00);
outportb(PORT+LCR,0x06);
/* set baudrate=9600, 12=115200/9600*/
/* set protocol, <7,N,2>=06H, <7,E,1>=1AH, <7,O,1>=0AH,
<8,N,2>=07H, <8,E,1>=1BH, <8,O,1>=0BH */
for(i=0;i<=16;i++){
while(!(inportb(PORT+LSR) & 0x20)); /* wait until THR empty */
outportb(PORT+THR,tdat[i]);
/* send data to THR */
}
i=0;
while(!kbhit()){
if(inportb(PORT+LSR) & 0x01){ /* b0==1, read data ready */
rdat[i++]=inportb(PORT+RDR); /* read data form RDR */
}
}
}
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Group A: PID Control
A-00
Input Terminal for PID Feedback
Factory Setting: d0
Settings
d0
d1
d2
d3
d4
Disable
Negative PID feedback from external terminal (AVI) 0 to +10V
Negative PID feedback from external terminal (ACI) 4 to 20mA
Positive PID feedback from external terminal (AVI) 0 to +10V
Positive PID feedback from external terminal (ACI) 4 to 20mA
ꢁ
ꢁ
Select an input terminal to serve as the PID feedback location. Please verify the feedback
location is different from the Frequency Set Point location and J1 for selecting ACI or AVI
must be in the correct position. (Refer to Pr. 2-00 for detail)
Negative feedback = Positive target value – detection value.
Positive feedback = Negative target value + detection value.
A-01 Gain over PID Detection value
Settings d0 to d999 (d100 means gain value is 1)
Factory Setting: d100
ꢁ
To adjust feedback detective gain value. It is used to adjust target value error.
A-02 Proportional Gain (P)
Settings d0 to d999% (d0: disable) (d100 means
Unit: 1
Factory Setting: d100
gain value is 1)
ꢁ
This parameter is used to determinate error gain. If I = 0 and D = 0, doing proportional gain
operation.
A-03 Integral Time (I)
Settings d0 to d999
d0 Disable
Unit: 1
Factory Setting: d100
ꢁ
When this parameter is defined to gain is 1 and error value is fixed, integral value is equal to
error value as the setting of integral time is attained.
A-04 Derivative Control (D)
Settings d0 to d100
d0 Disable
Unit: 1
Factory Setting: d0
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ꢁ
When this parameter is set to gain =1, PID output is Derivative time. At this time, error value –
error value of the preceding item= additional respond speed and it is easy to have over
compensation situation.
A-05
Upper Bound for Integral Control
Settings d0 to d100%
Unit: 1
Factory Setting: d100
ꢁ
This parameter determines the Upper Bound for Integral Control while operating in the PID
feedback loop. (Limit = 1-00×A-05 %). During a fast Integration response, it is possible for
the frequency to spike beyond a reasonable point. This parameter will limit this frequency
spike.
A-06
Unit: 2 msec
Primary Delay Filter Time
Settings d0 to d999
Factory Setting: d0
ꢁ
ꢁ
Primary Delay Filter Time will slow down oscillation of the system.
A setting of d0 disables this function.
A-07
Unit: 1
PID Output Frequency Limit
Settings d0 to d110%
Factory Setting: d100
ꢁ
This parameter determines the limit of the PID output frequency. If this parameter is set to
110%, then the maximum output frequency while in the PID operation will be (110% x Pr.01-
00) 66Hz.
Feedback Signal Detection Time
Settings d0.0 to d650 seconds
A-08
Unit: 0.1
Factory Setting: d0.0
ꢁ
This parameter defines the detection time for the loss of a feedback analog signal. The drive
will follow the operating procedure programmed in Pr.A-09 if the feedback signal is lost for
more than the time set in Pr. A-08.
ꢁ
A setting of 0.0 disables this function.
A-09 Treatment of the Erroneous Feedback Signals
Factory Setting: d0
Settings
d0
d1
Warning and RAMP to stop
Warning and COAST to stop
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ꢁ
This parameter selects the operation of the drive upon a loss of PID feedback signal.
Sleep Frequency
Settings d0.0 to d400Hz
A-10
Unit: 0.1
Factory Setting: d0.0
A-11 Wakeup Frequency
Unit: 0.1
Settings
d0.0 to d400Hz
Factory Setting: d0.0
A-12 Sleep Period
Unit: 0.1
Settings
d0.0 to d650 seconds
Factory Setting: d0.0
ꢁ
These parameters determine sleep functions of the AC drive. If the command frequency falls
below the sleep frequency, for the specified time in Pr. A-12, then the drive will shut off the
output and wait until the command frequency rises above Pr. A-11. Please see the below
diagram.
Actual running
output frequency
Frequency Command
A-11
Wakeup Frequency
A-10
Sleep Frequency
Sleep Period
0Hz
A-12
Sleep Function
A-13 PID User Defined
Settings d0.0 to d400
Unit: 0.1
Factory Setting: d0.0
ꢁ
When parameter A-13 is set to 0, what F and H display is the actual value of setting
frequency and output frequency. When this parameter is not set to 0, the display value of F
and H = actual value ¯A-13/1-00. To set frequency with panel, communication, VR, AVI or
ACI need to set according to the display value. For example, when 1-00=60.0Hz, if A-13 is set
to 30.0 Hz, it means when the actual value of frequency is 30.00 Hz, the display value will be
15.0 Hz . If you want to let drive run at 10.0Hz, the frequency command must be 5.0 Hz. But
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Chapter 5 Parameters|VFD-S Series
the setting frequency of parameters, such as Max. operation frequency, 1st speed and etc.,
they are still needed to set with actual value.
PID Frequency
One-Time
Delay
A-06
+
Integration's
Upper
Bound
Frequency
A-05
+
Output
Command
Limit
+
Target
Value
P
I
A-02
A-03
+
A-07
Frequency
Command
D
A-04
Detection
Value
Gain
Output Value
A-00
A-01
If the input range of sensor is 0~SI_max, output range is SO_min~SO_max and then
Input
SI_max
Per output
SO_max-SO_min
is
, set drive input to sensor output
Set input range of drive is D_range= 10V(0~10V) or 16mA (4~20mA) that correspond to 0~1-00Hz
1-00
Output
Per input
D_range
and then
will be
Display value of F, H
Actual value
According to the display value of F and H = actual value ¯A-13/1-00, and then
=A-13/1-00. If you want the result to be display value = sensor output and actual value = drive output,
SI_max
SO_max-SO_min
1-00
A-01
100
X
SI_max
SO_max-SO_min
A-13
1-00
A-01
100
=
A-13
=
X
XD_range
D_range
and then
Example:
Sensor: 0~6 psi input corresponds to 0~5V output drive AVI: 0~10V input corresponds to 0~60Hz, A-
01=100
100
100
6
5-0
A-13
12
X10
=
=
X
5-78
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Chapter 6 Fault Code Information
The AC motor drive has a comprehensive fault diagnostic system that includes several different
alarms and fault messages. Once a fault is detected, the corresponding protective functions will be
activated. The following faults are displayed as shown on the AC motor drive digital keypad display.
The three most recent faults can be read from the digital keypad or communication.
NOTE
Wait 5 seconds after a fault has been cleared before performing reset via keypad of input terminal.
6.1 Common Problems and Solutions
Fault
Name
Fault Descriptions
Corrective Actions
1.
2.
3.
Check if motor power corresponds with the
AC motor drive output power.
Check the wiring connections to U/T1, V/T2,
W/T3 for possible short circuits.
Check the wiring connections between the AC
motor drive and motor for possible short
circuits, also to ground.
4.
Check for loose contacts between AC motor
drive and motor.
Increase the Acceleration Time.
Check for possible excessive loading
conditions at the motor.
Over current
Abnormal increase in current.
5.
6.
7.
If there are still any abnormal conditions when
operating the AC motor drive after a short-
circuit is removed and the other points above
are checked, it should be sent back to
manufacturer.
1.
Check if the input voltage falls within the
rated AC motor drive input voltage range.
Check for possible voltage transients.
DC-bus over-voltage may also be caused by
motor regeneration. Either increase the
Decel. Time or add an optional brake resistor.
Check whether the required braking power is
within the specified limits.
Over voltage
2.
3.
The DC bus voltage has
exceeded its maximum
allowable value.
4.
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Chapter 6 Fault Code Information|VFD-S Series
Fault
Fault Descriptions
Name
Corrective Actions
1. Ensure that the ambient temperature falls within
the specified temperature range.
2. Make sure that the ventilation holes are not
obstructed.
3. Remove any foreign objects from the heatsinks
and check for possible dirty heat sink fins.
4. Check the fan and clean it.
Overheating
Heat sink temperature too high
5. Provide enough spacing for adequate
ventilation. (See chapter 2)
Low voltage
1. Check whether the input voltage falls within the
AC motor drive rated input voltage range.
2. Check for abnormal load in motor.
3. Check for correct wiring of input power to R-S-T
(for 3-phase models) without phase loss.
The AC motor drive detects
that the DC bus voltage has
fallen below its minimum
value.
Overload
The AC motor drive detects
excessive drive output current.
NOTE: The AC motor drive
can withstand up to 150% of
the rated current for a
maximum of 60 seconds.
1. Check whether the motor is overloaded.
2. Reduce torque compensation setting in Pr.7-02
3. Use the next higher power AC motor drive
model.
1. Check for possible motor overload.
2. Check electronic thermal overload setting.
3. Use a higher power motor.
Overload 1
Internal electronic overload trip
4. Reduce the current level so that the drive
output current does not exceed the value set
by the Motor Rated Current Pr.7-00.
1. Reduce the motor load.
2. Adjust the over-torque detection setting to an
appropriate setting (Pr.6-03 to Pr.6-05).
Overload 2
Motor overload.
GFF hardware error
CC (current clamp)
OC hardware error
Return to the factory.
1. Short-circuit at motor output: Check for
possible poor insulation at the output lines.
2. Torque boost too high: Decrease the torque
compensation setting in Pr.7-02
3. Acceleration Time too short: Increase the
Acceleration Time.
Over-current during
acceleration
4. AC motor drive output power is too small:
Replace the AC motor drive with the next
higher power model.
1. Short-circuit at motor output: Check for
possible poor insulation at the output line.
2. Deceleration Time too short: Increase the
Deceleration Time.
3. AC motor drive output power is too small:
Replace the AC motor drive with the next
higher power model.
Over-current during
deceleration
6-2
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Chapter 6 Fault Code Information|VFD-S Series
Fault
Name
Fault Descriptions
Corrective Actions
1. Short-circuit at motor output: Check for
possible poor insulation at the output line.
2. Sudden increase in motor loading: Check for
possible motor stall.
3. AC motor drive output power is too small:
Replace the AC motor drive with the next
higher power model.
Over-current during
constant speed operation
1. When multi-function input terminals (MI1-MI6)
are set to external fault, the AC motor drive
stops output U, V and W.
External Fault
2. Give RESET command after fault has been
cleared.
Internal EEPROM can not be
programmed.
Internal EEPROM can not be
programmed.
Return to the factory.
Return to the factory.
1.
2.
Switch off power supply.
Drive’s internal circuitry
abnormal.
Check whether the input voltage falls within the
rated AC drive input voltage. Switch on the AC
drive.
OH error
OV error
LV error
Return to the factory.
Current detection error
DC BUS detection error
Current detection error
When (one of) the output terminal(s) is grounded,
short circuit current is more than 50% of AC motor
drive rated current, the AC motor drive power
module may be damaged.
NOTE: The short circuit protection is provided
for AC motor drive protection, not for
protection of the user.
Ground fault
1. Check whether the IGBT power module is
damaged.
2. Check for possible poor insulation at the
output line.
1.
When the external input terminal (B.B) is
active, the AC motor drive output will be
turned off.
External Base Block.
(Refer to Pr. 8-06)
2.
Deactivate the external input terminal (B.B) to
operate the AC motor drive again.
1. Check if the motor is suitable for operation by
AC motor drive.
2. Check if the regenerative energy is too large.
3. Load may have changed suddenly.
Auto accel/decel failure
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Chapter 6 Fault Code Information|VFD-S Series
Fault
Fault Descriptions
Name
Corrective Actions
1. Check the RS485 connection between the AC
motor drive and RS485 master for loose wires
and wiring to correct pins.
2. Check if the communication protocol, address,
transmission speed, etc. are properly set.
3. Use the correct checksum calculation.
4. Please refer to group 9 in the chapter 5 for
detail information.
Communication Error
Software protection failure
Password is locked.
Return to the factory.
Keypad will be locked. Turn the power ON after
power OFF to re-enter the correct password. See
Pr.0-07 and 0-08.
1. Check parameter setting (Pr.A-00) and
AVI/ACI wiring
2. Check for possible fault between system
response time and the feedback signal
detection time (Pr.A-08).
Analog feedback error or
ACI open circuit
Phase Loss
Check input phase wiring for loose contacts.
1.
2.
Check PID feedback wiring.
Check if the parameter setting is properly set.
PID feedback error
6.2 Reset
There are three methods to reset the AC motor drive after solving the fault:
STOP/RESET
1.
2.
Press
key on keypad.
Set external terminal to “RESET” (set one of Pr.4-04~Pr.4-08 to 06) and then set to be
ON.
3.
Send “RESET” command by communication.
NOTE
Make sure that RUN command or signal is OFF before executing RESET to prevent damage or
personal injury due to immediate operation.
6-4
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Chapter 7 Troubleshooting
7.1 Over Current (OC)
ocd
OC
ocA
Over-current
Over current
Over-current
during acceleration
during deceleration
Yes
Remove short circuit
or ground fault
Check if there is any short circuits and
grounding between the U, V, W and motor
No
No
No
No
Reduce the load or
increase the power
Yes
Check if load is too large
No
of AC motor drive
No
Reduce torque
compensation
No
No
Suitable torque
compensation
Yes
Yes
Reduce torque
compensation
Check if
Check if
No
No
deceleration time
is too short by
load inertia.
acceleration time
is too short by
load inertia.
Yes
Yes
Maybe AC motor drive
has malfunction or error
due to noise. Please
contact with DELTA.
Has load changed
suddenly?
No
Yes
Yes
Yes
Can acceleration
Can deceleration
time be made longer?
time be made longer?
No
No
Reduce load or increase
the power of AC motor
drive
Increase accel/decel
time
Reduce load or increase
the power of AC motor
drive
Check braking
method. Please
contact DELTA
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Chapter 7 Troubleshooting |VFD-S Series
7.2 Ground Fault
Maybe AC motor drive has
malfunction or misoperation
due to noise. Please
Is output circuit(cable or
motor) of AC motor drive
grounded?
No
GFF
Ground fault
contact DELTA.
Yes
Remove ground fault
7.3 Over Voltage (OV)
Over voltage
No
Is voltage within
specification
Reduce voltage to
be within spec.
Yes
Yes
Has over-voltage occurred without load
No
Maybe AC motor drive
has malfunction or
misoperation due to
noise. Please contact
with DELTA.
When OV occurs, check if the
voltage of DC BUS is greater
than protection value
No
Yes
Yes
Increase
deceleration
time
Dose OV occur when
sudden acceleration
stops
No
Yes
No
Yes
Increase
acceleration
time
Yes
Increase setting time
No
Need to consider using
braking unit or
DC braking
No
Reduce moment
of inertia
Reduce moment of load inertia
No
No
Use braking unit or DC braking
Yes
Need to check control method. Please contact DELTA.
7-2
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Chapter 7 Troubleshooting |VFD-S Series
7.4 Low Voltage (Lv)
Low voltage
Yes
Is input power correct? Or power cut,
including momentary power loss
Restart after reset
No
Check if there is any malfunction
Yes
Change defective component
and check connection
component or disconnection in
power supply circuit
No
Make necessary corrections,
such as change power supply
system for requirement
No
Check if voltage is
within specification
Yes
Check if there is heavy load
with high start current in the
same power system
Using the different power
supply for this drive and
heavy load system
Yes
No
No
Check if Lv occurs when
breaker and magnetic
contactor is ON
Yes
Suitable power
transformer capacity
No
Yes
Check if voltage between +1/+2
and - is greater than
200VDC (for 230V models)
400VDC (for 460V models)
517VDC (for 575V models)
No
Maybe AC motor drive has malfunction.
Please contact DELTA.
Yes
Control circuit has malfunction or
misoperation due to noise. Please
contact DELTA.
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Chapter 7 Troubleshooting |VFD-S Series
7.5 Over Heat (OH)
AC motor drive overheats
Heat sink overheats
No
Check if temperature of heat sink
is greater than 90OC
Temperature detection malfunctions.
Please contact DELTA.
Yes
Yes
Is load too large
Reduce load
No
No
If cooling fan functions normally
Yes
Change cooling fan
Remove obstruction
Yes
Check if cooling fan is jammed
No
Maybe AC motor drive has malfunction or
misoperation due to noise. Please contact
DELTA.
No
Check if surrounding temperature
is within specification
Yes
Adjust surrounding temperature
to specification
7.6 Overload
OL
OL1/ OL2
No
Check for correct settings at
Pr. 06-06 and 06-07
Modify setting
Yes
Maybe AC motor drive has malfunction
or misoperation due to noise.
No
Is load too large
Yes
Reduce load or increase the power of AC motor drive
7-4
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Chapter 7 Troubleshooting |VFD-S Series
7.7 Keypad Display is Abnormal
Abnormal display or no display
Yes
Cycle power to AC motor drive
Fix connector and eliminate noise
No
No
Check if all connectors are connect
correctly and no noise is present
Display normal?
Yes
Yes
AC motor drive works normally
AC motor drive has malfunction.
Please contact DELTA.
7.8 Phase Loss (PHL)
Phase loss
No
Check wiring at R, S and T terminals
Yes
Correct wiring
No
Tighten all screws
Check if the screws of terminals are tightened
Yes
Yes
Please check the wiring
and power system for
abnormal power
Check if the input voltage of R, S, T is unbalanced
No
Maybe AC motor drive has malfunction or misoperation
due to noise. Please contact DELTA.
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Chapter 7 Troubleshooting |VFD-S Series
7.9 Motor cannot Run
Check PU01
for normal
display
Check if non-fuse
breaker and magnetic
contactor are ON
No
No
Set them to ON
Motor cannot run
Yes
Yes
Yes
Reset after clearing
fault and then RUN
Check if any faults
occur, such as
Lv, PHL or
Check if there is any
fault code displayed
No
Check if input
voltage is normal
disconnection
No
Yes
It can run when
no faults occur
If jumper or DC
reactor is connected
between +1 and +2/B1
No
Input "RUN"
command
by keypad
Use jumper
or DC reactor
No
Yes
Yes
Press RUN key to
check if it can run
Maybe AC motor drive has malfunction or misoperation
due to noise. Please contact DELTA.
Press UP key to
set frequency
Check if the wiring
of terminal FWD
and between
REV-DCM is correct
Yes
No
No
No
Check if input FWD
or REV command
Yes
Change switch or relay
Press UP to
check if motor
can run
Yes
No
No
No
Set frequency or not
Yes
Correct connection
Modify frequency
setting
No
if upper bound freq.
and setting freq. is
lower than the min.
output freq.
Check if the parameter
setting and wiring of
analog signal and
multi-step speed
are correct
Change defective
Yes
potentiometer and
relay
No
Motor has malfunction
Check if there is any
output voltage from
terminals U, V and W
No
No
Maybe AC motor drive has malfunction.
Please contact DELTA.
No
Yes
If load is too large
Yes
Yes
Check if motor
connection
is correct
Connect correctly
Check if the setting
of torque
Yes
compensation
is correct
Motor is locked due to large load, please reduce load.
For example, if there is a brake, check if it is released.
No
Increase the setting of
torque compensation
7-6
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Chapter 7 Troubleshooting |VFD-S Series
7.10 Motor Speed cannot be Changed
Motor can run but
cannot change speed
Check if the setting of the
max. frequency is too low
Yes
Modify the setting
Yes
No
If the setting of
Pr.05-17toPr.05-31
is too high
Check to see if frequency is
out of range (upper/lower)
boundaries
Yes
Modify the setting
Yes
Yes
No
No
Press UP/DOWN key
Yes
If finished with
executing
Pr.05-15
to see if speed has
No
Is it in PLC mode
any change
Yes
No
If there is any change
Yes
If the setting of
Pr.05-00 to Pr.05-14
are the same
of the signal that sets
frequency (0-10V and
4-20mA)
Yes
No
No
Check if the wiring between
M1~M6 to DCM is correct
No
Check if the wiring of
external terminal is correct
No
Yes
Correct
wiring
Yes
Check if frequency for
each step is different
Change defective
potentiometer
No
Yes
Change frequencysetting
No
Check if accel./decel.
time is set correctly
Yes
Please set suitable
accel./decel. time by
load inertia
Maybe AC motor drive has malfunction or misoperation
due to noise. Please contact DELTA.
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Chapter 7 Troubleshooting |VFD-S Series
7.11 Motor Stalls during Acceleration
Yes
Check if acceleration
time is too short
Motor stalls during
acceleration
Increase setting time
Yes
No
Check if the inertia
of the motor and load
is too high
Yes
Use special motor?
No
No
Thicken or shorten the
wiring between the
motor or AC motor drive
Reduce load or
increase the capacity
of AC motor drive
Check for low voltage
at input
Yes
No
Reduce load or
increase the capacity
of AC motor drive
Yes
Check if the load torque
is too high
No
Maybe AC motor drive has
malfunction or misoperation
due to noise. Please contact
DELTA
Check if the torque
compensation is suitable
Yes
No
Increase torque compensation
7.12 The Motor does not Run as Expected
Check Pr. 01-01 thru Pr. 01-06
Motor does not run
as expected
No
Adjust Pr.01-01 to Pr.01-06
and lower torque compensation
and torque compensation
settings
Yes
Yes
Please use specific motor
Run in low speed continuously
No
Yes
Reduce load or increase the
capacity of AC motor drive
Is load too large
No
Yes
Check if output voltage of U, V, W
is balanced
Motor has malfunction
No
Maybe AC motor drive has malfunction or misoperation
due to noise. Please contact DELTA.
7-8
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Chapter 7 Troubleshooting |VFD-S Series
7.13 Electromagnetic/Induction Noise
Many sources of noise surround AC motor drives and penetrate it by radiation or conduction. It may
cause malfunctioning of the control circuits and even damage the AC motor drive. Of course, there
are solutions to increase the noise tolerance of an AC motor drive. But this has its limits. Therefore,
solving it from the outside as follows will be the best.
1.
2.
Add surge suppressor on the relays and contacts to suppress switching surges.
Shorten the wiring length of the control circuit or serial communication and keep them
separated from the power circuit wiring.
3.
4.
Comply with the wiring regulations by using shielded wires and isolation amplifiers for
long wire length.
The grounding terminal should comply with the local regulations and be grounded
independently, i.e. not to have common ground with electric welding machines and other
power equipment.
5.
Connect a noise filter at the mains input terminal of the AC motor drive to filter noise from
the power circuit. VFD-S can have a built-in filter as option.
In short, solutions for electromagnetic noise exist of “no product”(disconnect disturbing equipment),
“no spread”(limit emission for disturbing equipment) and “no receive”(enhance immunity).
7.14 Environmental Condition
Since the AC motor drive is an electronic device, you should comply with the environmental
conditions as stated in the Chapter 2.1. The following step should also be.
1.
To prevent vibration, the use of anti-vibration dampers is the last choice. Vibrations must
be within the specification. Vibration causes mechanical stress and it should not occur
frequently, continuously or repeatedly to prevent damaging to the AC motor drive.
Store the AC motor drive in a clean and dry location, free from corrosive fumes/dust to
prevent corroded contacts. It also may cause short by low insulation in a humid location.
The solution is to use both paint and dust-proof. For particular occasion, use the
enclosure with whole-seal structure.
2.
3.
The ambient temperature should be within the specification. Too high or too low
temperature will affect the lifetime and reliability. For semiconductor components, damage
will occur once any specification is out of range. Therefore, it is necessary to periodically
check air quality and the cooling fan and provide extra cooling of necessary. In addition,
the microcomputer may not work in extremely low temperatures, making cabinet heating
necessary.
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Chapter 7 Troubleshooting |VFD-S Series
4.
Store within a relative humidity range of 0% to 90% and non-condensing environment.
Use an air conditioner and/or exsiccator.
7.15 Affecting Other Machines
An AC motor drive may affect the operation of other machines due to many reasons. Some solutions
are:
ꢀ
High Harmonics at Power Side
High harmonics at power side during running can be improved by:
Separate the power system: use a transformer for AC motor drive.
1.
2.
Use a reactor or rectifier at the power input terminal of the AC motor drive or decrease
high harmonic by multiple circuit.
3.
If phase lead capacitors are used (never on the AC motor drive output!!), use serial
reactors to prevent capacitors damage from high harmonics.
serial reactor
phase lead capacitor
ꢀ
Motor Temperature Rises
When the motor is a standard induction motor with fan, the cooling will be bad at low
speeds, causing the motor to overheat. Besides, high harmonics at the output increases
copper and core losses. The following measures should be used depending on load and
operation range.
1.
Use a motor with independent ventilation (forced external cooling) or increase the motor
rated power.
2.
3.
Use a special inverter duty motor.
Do NOT run in the low speed range.
7-10
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Chapter 8 Maintenance and Inspections
Modern AC motor drives are based on solid-state electronics technology. Preventive maintenance is
required to keep the AC motor drive in its optimal condition, and to ensure a long life. It is
recommended to have a qualified technician perform a check-up of the AC motor drive regularly.
Daily Inspection:
Basic check-up items to detect if there were any abnormalities during operation are:
1.
2.
3.
4.
5.
6.
Whether the motors are operating as expected.
Whether the installation environment is abnormal.
Whether the cooling system is operating as expected.
Whether any irregular vibration or sound occurred during operation.
Whether the motors are overheating during operation.
Always check the input voltage of the AC drive with a Voltmeter.
Periodic Inspection:
Before the check-up, always turn off the AC input power and remove the cover. Wait at least 10
minutes after all display lamps have gone out, and then confirm that the capacitors have fully
discharged by measuring the voltage between
~
. It should be less than 25VDC.
DANGER!
1. Disconnect AC power before processing!
2. Only qualified personnel shall install, wire and maintain AC motor drives. Please take off any metal
objects, such as watches and rings, before operation. And only insulated tools are allowed.
3. Never reassemble internal components or wiring.
4. Prevent electric shocks.
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Chapter 8 Maintenance and Inspections|VFD-S Series
Periodical Maintenance
ꢀ
Ambient environment
Check Items
Maintenance
Period
Methods and Criterion
Half One
Daily
Year Year
Check the ambient temperature,
humidity, vibration and see if
there is any dust, gas, oil or
water drops
Visual inspection and measurement
with equipment with standard
specification
ꢄ
ꢄ
Check for any dangerous
objects near drive and motor
Visual inspection
ꢀ
Voltage
Maintenance
Period
Check Items
Methods and Criterion
Half One
Year Year
Daily
Check if the voltage of main
circuit and control circuit is
correct
Measure with multimeter with standard
specification
ꢄ
ꢀ
Keypad
Maintenance
Period
Check Items
Methods and Criterion
Half One
Year Year
Daily
Is the display clear for reading?
Any missing characters?
Visual inspection
Visual inspection
ꢄ
ꢄ
ꢀ
Mechanical parts
Check Items
Maintenance
Period
Methods and Criterion
Half One
Daily
Year Year
If there is any abnormal sound
or vibration
Visual and aural inspection
Tighten the screws
ꢄ
If there are any loose screws
ꢄ
8-2
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Chapter 8 Maintenance and Inspections|VFD-S Series
Maintenance
Period
Check Items
Methods and Criterion
Half One
Daily
Year Year
Check partsfor deformity or
damaged
Visual inspection
ꢄ
If there is any color change
caused by overheating
Visual inspection
Visual inspection
ꢄ
ꢄ
Check for dust and dirt
ꢀ
Main circuit
Check Items
Maintenance
Period
Methods and Criterion
Half One
Daily
Year Year
If there are any loose or missing
screws
Tighten or replace the screw
ꢄ
If machine or insulator is
Visual inspection
NOTE: Please ignore the color
change of copper plate
deformed, cracked, damaged or
with changed color change due
to overheating or ageing
ꢄ
ꢄ
Check for dust and dirt
Visual inspection
ꢀ
Terminals and wiring of main circuit
Check Items
Maintenance
Period
Methods and Criterion
Half One
Daily
Year Year
If the wiring shows change of
color change or deformation due Visual inspection
to overheat
ꢄ
If the insulation of wiring is
damaged or the color has
changed
Visual inspection
Visual inspection
ꢄ
ꢄ
If there is any damage
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Chapter 8 Maintenance and Inspections|VFD-S Series
ꢀ
DC capacity of main circuit
Maintenance
Period
Check Items
Methods and Criterion
Half One
Daily
Year Year
If there is any leakage of liquid,
change of color, cracks or
deformation
Visual inspection
ꢄ
Measure static capacity when
required
Static capacity
initial value X 0.85
ꢄ
≥
ꢀ
Resistor of main circuit
Check Items
Maintenance
Period
Methods and Criterion
Half One
Year Year
Daily
If there is any peculiar smell or
insulator cracks due to
overheating
Visual inspection, smell
ꢄ
Visual inspection or measure with
multimeter after removing wiring
between +1/+2 ~ -
If there is any disconnection
ꢄ
±
Resistor value should be within 10%
ꢀ
Transformer and reactor of main circuit
Check Items
Maintenance
Period
Methods and Criterion
Half One
Year Year
Daily
If there is any abnormal vibration
or peculiar smell
Visual, aural inspection and smell
ꢄ
ꢀ
Magnetic contactor and relay of main circuit
Maintenance
Period
Check Items
Methods and Criterion
Half One
Year Year
Daily
Visual and aural inspection. Tighten
screw if necessary.
If there are any loose screws
ꢄ
ꢄ
Check to see if contacts work
correctly
Visual inspection
8-4
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Chapter 8 Maintenance and Inspections|VFD-S Series
ꢀ
Printed circuit board and connector of main circuit
Maintenance
Period
Check Items
Methods and Criterion
Half One
Year Year
Daily
If there are any loose screws and
connectors
Tighten the screws and press the
connectors firmly in place.
ꢄ
If there is any peculiar smell and
color change
Visual inspection and smell
Visual inspection
ꢄ
ꢄ
ꢄ
If there is any crack, damage,
deformation or corrosion
If there is any leaked liquid or
deformation in capacitors
Visual inspection
ꢀ
Cooling fan of cooling system
Check Items
Maintenance
Period
Methods and Criterion
Half One
Year Year
Daily
Visual, aural inspection and turn the
fan with hand (turn off the power
before operation) to see if it rotates
smoothly
If there is any abnormal sound or
vibration
ꢄ
If there is any loose screw
Tighten the screw
Change fan
ꢄ
ꢄ
If there is any change of color due
to overheating
ꢀ
Ventilation channel of cooling system
Check Items
Maintenance
Period
Methods and Criterion
Half One
Year Year
Daily
If there is any obstruction in the
heat sink, air intake or air outlet
Visual inspection
ꢄ
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8-6
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Appendix A Specifications
Voltage Class
115V Class
230V Class
460V Class
Model Number VFD-XXXS
002 004 007 002 004 007 015 022 004 007 015 022
0.2 0.4 0.75 0.2 0.4 0.75 1.5 2.2 0.4 0.75 1.5 2.2
0.25 0.5 1.0 0.25 0.5 1.0 2.0 3.0 0.5 1.0 2.0 3.0
0.6 1.0 1.6 0.6 1.0 1.6 2.9 4.2 1.2 2.0 3.3 4.4
1.6 2.5 4.2 1.6 2.5 4.2 7.5 11.0 1.5 2.5 4.2 5.5
3-phase
Max. Applicable Motor Output (kW)
Max. Applicable Motor Output (HP)
Rated Output Capacity (KVA)
Rated Output Current (A)
Proportional to
Maximum Output Voltage (V)
3-phase Proportional to Input Voltage
Twice the Input
Voltage
Rated Frequency (Hz)
Rated Input Current (A)
1.0 to 400 Hz
Single phase
Single/3-phase model drive
4.9/ 6.5/ 9.7/ 15.7/ 24/
3-phase
6
9
18
1.7 2.9 5.1 6.9
1.9 2.7 5.1 9.0
15
Input Current for 1-phase model
drive to be used as 3-phase
model drive
-- --
1.6 3.0 5.1 8.4
--
-- --
100/110/120 VAC 200/208/220/240 VAC
50/60 Hz 50/60Hz
Voltage: ±10%, Frequency: ±5%
380/400/415/480 VAC
50/60Hz
Rated Voltage/Frequency
Voltage/Freq. Tolerance
Control System
Output Frequency Resolution
SPWM (Sinusoidal Pulse Width Modulation, carrier frequency 3k-10kHz)
0.1Hz
Including the auto-torque, auto-slip compensation; starting torque can be
150% at 5Hz
Torque Characteristics
Overload Endurance
Accel/Decel Time
V/F Pattern
150% of rated current for 1 minute
0.1to 600 second (2 Independent settings for Accel/Decel Time)
V/F pattern adjustable
Stall Prevention Level
20 to 250%, Setting of Rated Current
Keypad
Setting by
or Potentiometer
Frequency
Setting
Potentiometer-5KΩ/0.5W, DC 0 to +10V or 0 to +5V (Input impedance
47KΩ), RS-485 interface, 4 to 20mA (Input impedance 250Ω); Multi-
Function Inputs 1 to 5 (7 steps, Jog, up/down)
External
Signal
Keypad
Setting by RUN, STOP
Operation
Setting Signal
External
Signal
M0 to M5 can be combined to offer various modes of operation, RS-485
serial interface (MODBUS).
Multi-step selection 0 to7, Jog, accel/decel inhibit, first/second accel/decel
switch, counter, 8-step PLC operation, external Base Block (NC, NO),
increase/decrease Master Frequency
Multi-Function Input Signal
AC Drive Operating, Frequency Attained, Non-zero, Base Block, Fault
Indication, Local/Remote indication, PLC Operation indication.
Multi-Function Output Indication
Analog Output Signal
Analog frequency/current signal output.
AVR, S-Curve, Over-Voltage/Over-Current Stall Prevention, Fault Records,
Adjustable Carrier Frequency, DC Braking, Start Frequency for DC Braking,
Momentary Power Loss restart, Frequency Limits, Parameter Lock/Reset,
PID Feedback Control, Reverse Inhibition, etc.
Other Function
VFD002S21E, VFD004S21E, VFD004S43E, VFD007S21E, VFD007S43E,
VFD015S21E, VFD015S43E, VFD022S21E, VFD022S43E
Self-testing, Over Voltage, Over Current, Under Voltage, Overload,
Overheating, External Fault, Electronic thermal, Ground Fault.
Forced air-cooling (ONLY FOR 022S2XA/B; XXXS43A/B/E 1HP~3HP;
XXXSXXD; XXXS21E 400W~3HP). Others are Natural air-cooling.
Built-in EMI Filter
Protection
Cooling
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Appendix A Specifications|VFD-S Series
Installation Location
Pollution Degree
Altitude 1,000 m or below, keep from corrosive gasses, liquid and dust
2
Ambient Temperature
Storage Temperature
Ambient Humidity
Vibration
-10°C to 40°C (Non-Condensing and not frozen)
-20°C to 60°C
Below 90% RH (non-condensing)
9.80665m/s2 (1G) less than 20Hz, 5.88m/s2 (0.6G) at 20 to 50Hz
A-2
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Appendix B Accessories
B.1 All Brake Resistors & Brake Units Used in AC Motor Drives
Note: Please only use DELTA resistors and recommended values. Other resistors and values will
void Delta’s warranty. Please contact your nearest Delta representative for use of special resistors.
The brake unit should be at least 10 cm away from AC motor drive to avoid possible interference.
Refer to the “Brake unit Module User Manual” for further details.
Applicable
Motor
Resistor
Full Load
Torque
Nm
Brake Resistors Braking
Min. Equivalent
Resistor Value for
each AC Motor Drive
value spec
for each AC
Motor Drive
Torque
Model and No.
of Units Used 10%ED
hp
kW
0.2
80W 200Ω
120Ω
1/4
0.110
BR080W200
1
400
80W 200Ω
80W 200Ω
300W 100Ω
300W 70Ω
80W 750Ω
80W 750Ω
300W 400Ω
300W 250Ω
120Ω
80Ω
1/2
1
0.4
0.75
1.5
0.216
0.427
0.849
1.262
0.216
0.427
0.849
1.262
BR080W200
BR080W200
BR300W100
BR300W70
BR080W750
BR080W750
BR300W400
BR300W250
1
1
1
1
1
1
1
1
220
125
125
125
230
125
125
125
55Ω
2
35Ω
3
2.2
470Ω
260Ω
190Ω
145Ω
1/2
1
0.4
0.75
1.5
2
3
2.2
NOTE
1.
2.
Please select the brake unit and/or brake resistor according to the table.
If damage to the drive or other equipment is due to the fact that the brake resistors and
the braking modules in use are not provided by Delta, the warranty will be void.
Take into consideration the safety of the environment when installing the brake resistors.
If the minimum resistance value is to be utilized, consult local dealers for the calculation of
the power in Watt.
3.
4.
5.
6.
Please select thermal relay trip contact to prevent resistor over load. Use the contact to
switch power off to the AC motor drive!
When using more than 2 brake units, equivalent resistor value of parallel brake unit can’t
be less than the value in the column “Minimum Equivalent Resistor Value for Each AC
Drive” (the right-most column in the table).
7.
Please read the wiring information in the user manual of the brake unit thoroughly prior to
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Appendix B Accessories|VFD-S Series
installation and operation.
B.1.1 Dimensions and Weights for Brake resistors
(Dimensions are in millimeter)
Order P/N: BR080W200, BR080W750, BR300W70, BR300W100, BR300W250,
BR300W400, BR400W150, BR400W040
Model no.
L1
L2
H
D
W
Max. Weight (g)
160
BR080W200
BR080W750
BR300W70
BR300W100
BR300W250
BR300W400
BR400W150
BR400W040
140
125
20
5.3
60
215
265
200
250
30
30
5.3
5.3
60
60
750
930
B-2
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Appendix B Accessories|VFD-S Series
B.2 EMI Filters
The DELTA VFD-S Series 0.25-3HP, 115V, 230V, 460V AC drive uses DELTA EMI Filter. Use the
table below to find the appropriate filter for your DELTA VFD-S drive.
Model of AC Motor Drive
EMI Filter
VFD002S21A/B, VFD004S21A/B, VFD007S21A/B
VFD015S21D/U, VFD022S21D/U
VFD004S43A/B, VFD007S43A/B
VFD002S11A/B, VFD004S11A/B
VFD002S23A, VFD004S23A, VFD007S23A
VFD007S11A/B
RF007S21AA
RF022S21BA
RF007S43AA
12DKT1W3S
08TDT1W4S
22DRT1W3S
Installation
All electrical equipment, including AC motor drives, will generate high-frequency/low-frequency noise
and will interfere with peripheral equipment by radiation or conduction when in operation. By using
an EMI filter with correct installation, much interference can be eliminated. It is recommended to use
DELTA EMI filter to have the best interference elimination performance.
We assure that it can comply with following rules when AC motor drive and EMI filter are installed
and wired according to user manual:
ꢀ
ꢀ
ꢀ
EN61000-6-4
EN61800-3: 1996 + A11: 2000
EN55011 (1991) Class A Group 1 (1st Environment, restricted distribution)
General precaution
1.
2.
EMI filter and AC motor drive should be installed on the same metal plate.
Please install AC motor drive on footprint EMI filter or install EMI filter as close as possible
to the AC motor drive.
3.
4.
5.
Please wire as short as possible.
Metal plate should be grounded.
The cover of EMI filter and AC motor drive or grounding should be fixed on the metal plate
and the contact area should be as large as possible.
Choose suitable motor cable and precautions
Improper installation and choice of motor cable will affect the performance of EMI filter. Be sure to
observe the following precautions when selecting motor cable.
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Appendix B Accessories|VFD-S Series
1.
2.
Use the cable with shielding (double shielding is the best).
The shielding on both ends of the motor cable should be grounded with the minimum
length and maximum contact area.
3.
Remove any paint on metal saddle for good ground contact with the plate and shielding.
Remove any paint on metal saddle for good ground contact with
the plate and shielding.
saddle
the plate with grounding
Saddle on both ends
Saddle on one end
B-4
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Appendix B Accessories|VFD-S Series
The length of motor cable
When motor is driven by an AC motor drive of PWM type, the motor terminals will experience surge
voltages easily due to components conversion of AC motor drive and cable capacitance. When the
motor cable is very long (especially for the 460V series), surge voltages may reduce insulation
quality. To prevent this situation, please follow the rules below:
ꢀ
ꢀ
ꢀ
Use a motor with enhanced insulation.
Connect an output reactor (optional) to the output terminals of the AC motor drive
The length of the cable between AC motor drive and motor should be as short as
possible (10 to 20 m or less)
ꢀ
For models 7.5hp/5.5kW and above:
Insulation level of motor
460VAC input voltage
1000V
1300V
1600V
66 ft (20m)
328 ft (100m)
1312 ft (400m)
230VAC input voltage
For models 5hp/3.7kW and less:
Insulation level of motor
1312 ft (400m) 1312 ft (400m) 1312 ft (400m)
ꢀ
1000V
1300V
1600V
460VAC input voltage
230VAC input voltage
66 ft (20m)
328 ft (100m)
165 ft (50m)
328 ft (100m)
165 ft (50m)
328 ft (100m)
NOTE
When a thermal O/L relay protected by motor is used between AC motor drive and motor, it may
malfunction (especially for 460V series), even if the length of motor cable is only 165 ft (50m) or less.
To prevent it, please use AC reactor and/or lower the carrier frequency (Pr. 02-03 PWM carrier
frequency).
NOTE
Never connect phase lead capacitors or surge absorbers to the output terminals of the AC motor
drive.
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Appendix B Accessories|VFD-S Series
ꢀ
If the length is too long, the stray capacitance between cables will increase and may
cause leakage current. It will activate the protection of over current, increase leakage
current or not insure the correction of current display. The worst case is that AC motor
drive may damage.
ꢀ
If more than one motor is connected to the AC motor drive, the total wiring length is the
sum of the wiring length from AC motor drive to each motor.
B.2.1 Dimensions
Dimensions are in millimeter and (inch)
Order P/N: RF007S21AA/ RF007S43AA
50
85
(1.97)
(3.35)
27
60
(1.06)
(2.36)
200
(7.87)
200 213
(8.39)
(7.87)
15
(0.52)
24
(0.94)
4.5
(0.18)
B-6
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Appendix B Accessories|VFD-S Series
Order P/N: RF022S21BA
50
(1.97)
27
100
(3.94)
74
(1.06)
(2.91)
241
(9.49)
228
(8.98)
228
(8.98)
15
(0.59)
24
(0.94)
5.5
(0.22)
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Appendix B Accessories|VFD-S Series
Order P/N: 12DKT1W3S
Order P/N: 08TDT1W4S
B-8
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Appendix B Accessories|VFD-S Series
Order P/N: 22DRT1W3S
Order P/N: 35DRT1W3C
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Appendix B Accessories|VFD-S Series
B.3 AC Reactor
B.3.1 AC Input Reactor Recommended Value
230V, 50/60Hz, 1-Phase
Inductance (mH)
Fundamental
Amps
Max. continuous
Amps
kW
HP
3~5% impedance
0.2
0.4
1/4
1/2
1
4
5
6
6.5
3
7.5
12
18
27
0.75
1.5
8
1.5
1.25
0.8
2
12
18
2.2
3
B-10
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Appendix B Accessories|VFD-S Series
460V, 50/60Hz, 3-Phase
Fundamental
Max.
continuous
Amps
Inductance (mH)
kW
HP
Amps
3% impedance
5% impedance
0.4
0.75
1.5
1/2
1
2
4
4
8
3
6
20
9
32
12
9
2
6
6.5
5
2.2
3
12
7.5
B.3.2 AC Output Reactor Recommended Value
115V/230V, 50/60Hz, 3-Phase
Max.
continuous
Amps
Inductance (mH)
Fundamental
kW
HP
Amps
3% impedance
5% impedance
0.2
0.4
1/4
1/2
1
4
6
4
9
6.5
3
12
9
6
0.75
1.5
8
12
12
18
5
2
8
1.5
1.25
3
2.2
3
12
2.5
460V, 50/60Hz, 3-Phase
Fundamental
Max.
continuous
Amps
Inductance (mH)
kW
HP
Amps
3% impedance
5% impedance
0.4
0.75
1.5
1/2
1
2
4
4
8
3
6
20
9
32
12
9
2
6
6.5
5
2.2
3
12
7.5
B.3.3 Applications for AC Reactor
Connected in input circuit
Application 1
Question
When applying power to one of the AC motor
When more than one AC motor drive is
connected to the same mains power, and one drive, the charge current of the capacitors
of them is ON during operation.
may cause voltage dip. The AC motor drive
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Appendix B Accessories|VFD-S Series
may be damaged when over current occurs
during operation.
B-12
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Appendix B Accessories|VFD-S Series
Correct wiring
reactor
M1
M2
motor
motor
AC motor drive
AC motor drive
Mn
motor
AC motor drive
Application 2
Question
Silicon rectifier and AC motor drive are
connected to the same power.
Switching spikes will be generated when the
silicon rectifier switches on/off. These spikes
may damage the mains circuit.
Correct wiring
power
silicon rectifier
reactor
DC
AC motor drive
reactor
motor
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Appendix B Accessories|VFD-S Series
Application 3
Question
Used to improve the input power factor, to
When the mains power capacity is too large,
reduce harmonics and provide protection from line impedance will be small and the charge
AC line disturbances. (surges, switching current will be too high. This may damage AC
spikes, short interruptions, etc.). The AC line motor drive due to higher rectifier
reactor should be installed when the power
supply capacity is 500kVA or more and
exceeds 6 times the inverter capacity, or the
temperature.
mains wiring distance 10m.
≤
Correct wiring
small-capacity
AC motor drive
large-capacity
power
reactor
motor
B-14
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Appendix B Accessories|VFD-S Series
B.4 DC Choke Recommended Values
230V DC Choke
Input voltage
kW
0.2
0.4
0.75
1.5
2.2
0.2
0.4
0.75
1.5
2.2
HP
1/4
1/2
1
DC Amps Inductance (mh)
MTE CAT. NO
2RB003
2
4
20.00
15.00
4RB003
230Vac
50/60Hz
3-Phase
9
12
18
4
7.50
4.00
9RB003
2
12RB003
3
2.75
18RB003
1/4
1/2
1
50.00
25.00
12.00
8.00
--
--
--
--
--
9
230Vac
50/60Hz
1-Phase
9
2
12
18
3
6.00
460V DC Choke
Input voltage
kW
0.4
HP
DC Amps
Inductance (mh)
50.00
MTE CAT. NO
2RB004
1/2
1
2
4
9
9
460Vac
50/60Hz
3-Phase
0.75
1.5
25.00
4RB004
2
11.50
9RB004
2.2
3
11.50
9RB004
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Appendix B Accessories|VFD-S Series
B.5 Zero Phase Reactor (RF220X00A)
Dimensions are in millimeter and (inch)
Motor
Recommended Wire Size
(mm2)
Qty.
1
HP
kW
1/4
1/2
1
0.2
0.4
0.5 - 5.5
0.75
1.5
2
3
2.2
3.5 - 5.5
0.5 - 5.5
1/4
1/2
1
0.2
0.4
0.75
1.5
1
2
3
2.2
Wiring Method
Please wind each wire 4 times around the core. The reactor must be put at inverter output as close
as possible.
Zero Phase Reactor
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
Power
Supply
MOTOR
B-16
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Appendix B Accessories|VFD-S Series
B.6 Din Rail-DR01
(Dimensions are in millimeter)
Models
Screw Size
VFD002S11A/B
VFD002S21A/B/E
VFD002S23A/B
VFD004S11A/B
VFD004S21A/B/E
VFD004S23A/B
VFD004S43A/B/E
VFD007S21A/B/E
VFD007S23A/B
VFD007S43A/B/E
VFD015S23D
M4*22
M4*22
M4*22
M4*12
M4*12
M4*12
M4*12
M4*12
M4*12
M4*12
M4*12
ꢁ
ꢁ
To install the Din Rail Adapter use the specified
screws for different models. Refer to the above
chart.
To mount the drive on a Din Rail, place the drive
on the rail and push the lever toward the rail.
Revision August 2006, SE08, SW V2.61
B-17
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Appendix B Accessories|VFD-S Series
B.7 Remote Controller RC-01
(Dimensions are in millimeter)
RC-01
Terminal
block
5
8
6
4
16 15 14 13 11
(Wiring
connections)
VFD-S
I/O
M2
AFMGND AVI +10V GND
M0 M1 M3
Block
VFD-S Programming
Pr. 2-00 and Pr. 2-01 set to d01
Pr. 4-04 set to d02 (M0, M1 set at RUN/STOP and FWD/REV)
Pr. 4-05 set to d06 (M2 set for reset)
Pr. 4-06 set to d10 (M3 set for jog operation)
B-18
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Appendix B Accessories|VFD-S Series
B.9 Non-fuse Circuit Breaker Chart
Per UL 508C, paragraph 45.8.4, part a:
1.
For 1-phase drives, the current rating of the breaker shall be 4 times maximum input
current rating.
2.
For 3-phase drives, the current rating of the breaker shall be 4 times maximum output
current rating.
(Refer to Appendix A for rated input/output current)
1-phase
3-phase
Recommended
Recommended
Model
Model
non-fuse breaker (A)
non-fuse breaker (A)
5
15
VFD002S11A/B
VFD002S23A
5
10
VFD002S21A/B/E
VFD004S23A
5
20
VFD004S11A/B
VFD004S43A/B/E
VFD007S23A
10
5
15
VFD004S21A/B/E
30
VFD007S11A/B
VFD007S43A/B/E
VFD015S23D
20
10
30
15
20
VFD007S21A/B/E
30
VFD015S21D/E
VFD015S43D/E/U
VFD022S23D
50
VFD022S21D/E/U
VFD022S43D/E/U
Fuse Specification Chart
Smaller fuses than those shown in the table are permitted.
Line Fuse
Bussmann P/N
JJN-15
JJN-10
JJN-6
Model
I (input)(A)
I (output)(A)
I (A)
15
10
5
20
15
5
VFD002S11A/B
VFD002S21A/B/E
VFD002S23A
VFD004S11A/B
VFD004S21A/B/E
VFD004S23A
VFD004S43A/B/E
VFD007S11A/B
VFD007S21A/B/E
VFD007S23A
VFD007S43A/B/E
VFD015S21D/E
VFD015S23D
6
4,9
2.4
9
6.5
3.0
1.9
18
9.7
5.1
3.2
15.7
9.0
4.3
24
1.6
1.6
1.6
2.5
2.5
2.5
1.5
4.2
4.2
4.2
2.5
7.5
7.5
4.2
11.0
11.0
5.5
JJN-20
JJN-15
JJN-6
5
JJN-5
30
20
10
5
30
20
10
50
30
15
JJN-30
JJN-20
JJN-10
JJN-5
JJN-30
JJN-20
JJN-10
JJN-50
JJN-30
JJN-15
VFD015S43D/E/U
VFD022S21D/E/U
VFD022S23D
15
7.1
VFD022S43D/E/U
B-20
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Appendix C How to Select the Right AC Motor Drive
The choice of the right AC motor drive for the application is very important and has great influence
on its lifetime and the performance. If the capacity of AC motor drive is too large, it cannot offer
complete protection to the motor and it may be damaged. If the capacity of AC motor drive is too
small, it cannot offer the required performance and the AC motor drive may be damaged due to
overloading.
But by simply selecting the AC motor drive of the same capacity as the motor, user application
requirements cannot always be fully met. Therefore, a designer should consider all the conditions,
including load type, load speed, load characteristic, operation method, rated output, rated speed,
power and the change of load capacity. The following table lists the factors you need to consider,
depending on your requirements.
Related Specification
Speed and
torque
characteristics
Item
Time
ratings
Overload
capacity
Starting
torque
Friction load and weight load
Liquid (viscous) load
Inertia load
Load with power transmission
Constant torque
●
●
●
Load type
Load speed
and torque
characteristics
Constant output
●
Decreasing torque
Decreasing output
Constant load
Shock load
Repetitive load
High starting torque
Low starting torque
Load
characteristics
●
●
●
●
●
Continuous operation, Short-time operation
Long-time operation at medium/low speeds
●
●
Maximum output current (instantaneous)
Constant output current (continuous)
●
●
Maximum frequency, Base frequency
Power supply transformer capacity or
percentage impedance
●
●
●
●
Voltage fluctuations and unbalance
Number of phases, single phase protection
Frequency
Mechanical friction, losses in wiring
●
Duty cycle modification
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Appendix D CE|VFD-S Series
C.1 Capacity Formulas
1. When one AC motor drive operates one motor
The starting capacity should be less than 1.5x rated capacity of AC motor drive
The starting capacity is
⎛
⎞
k × N
973×η × cosϕ
GD2
N
⎜
⎜
⎟
⎟
TL +
×
≤1.5×the _ capacity _ of _ AC _ motor _ drive(kVA)
375 tA
⎝
⎠
2. When one AC motor drive operates more than one motor
2.1 The starting capacity should be less than the rated capacity of the AC motor drive
≦
Acceleration time 60 seconds
ꢀ
The starting capacity is
⎡
⎢
[n
T
+ ns(ks
− 1)] = PC1 1+
(
k
s
− 1)⎤⎥⎥ ≤1.5×the _ capacity _ of _ AC _ motor _ drive(kVA)
k × N
η × cosϕ
n
s
⎢
⎢
⎣
⎥
⎦
nT
≧
Acceleration time 60 seconds
ꢀ
The starting capacity is
⎡
[
n
T
+ ns(ks
− 1)]
= PC1⎢⎢1+
(
k
s
− 1)⎤⎥⎥ ≤ the_capacity_of _ AC _ motor _ drive(kVA)
k × N
η ×cosϕ
n
s
⎢
⎣
⎥
⎦
nT
2.2 The current should be less than the rated current of the AC motor drive(A)
≦
Acceleration time 60 seconds
ꢀ
⎡
⎤
n
S
nT
+ IM 1+ ⎛⎜ kS −1⎟⎞⎥ ≤1.5×the_ rated _current _of _ AC _ motor _ drive(A)
⎢
⎝
⎠
⎦
n
T
⎣
≧
Acceleration time 60 seconds
ꢀ
⎡
⎤
n
S
n
T
+ IM 1+ ⎛⎜ kS −1⎟⎞⎥ ≤ the _ rated _current _ of _ AC _ motor _ drive(A)
⎢
⎝
⎠
⎦
n
T
⎣
C-2
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2.3 When it is running continuously
ꢀ
The requirement of load capacity should be less than the capacity of the AC
motor drive(kVA)
The requirement of load capacity is
k × PM
η ×cosϕ
≤ the_capacity_of _ AC _ motor _ drive(kVA)
ꢀ
ꢀ
The motor capacity should be less than the capacity of AC motor drive
k × 3 ×VM × IM ×10−3 ≤ the_capacity_of _ AC _motor_drive(kVA)
The current should be less than the rated current of AC motor drive(A)
k × IM ≤ the_ rated _ current _ of _ AC _ motor _ drive(A)
Symbol explanation
PM
: Motor shaft output for load (kW)
η
: Motor efficiency (normally, approx. 0.85)
cosϕ
: Motor power factor (normally, approx. 0.75)
: Motor rated voltage (V)
V
M
: Motor rated current (A), for commercial power
I
M
: Correction factor calculated from current distortion factor (1.05-1.1, depending on
PWM method)
k
: Continuous motor capacity (kVA)
PC1
: Starting current/rated current of motor
kS
n
n
GD2
T
S
: Number of motors in parallel
: Number of simultaneously started motors
: Total inertia (GD2) calculated back to motor shaft (kg m2)
: Load torque
T
L
t
A
: Motor acceleration time
: Motor speed
N
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Appendix D CE|VFD-S Series
C.2 General Precautions
Selection Note
A.
When the AC Motor Drive is connected directly to a large-capacity power transformer
(600kVA or above) or when phase lead capacitors are switched, excess peak currents
may occur in the power input circuit and the rectifier section might be damaged. To avoid
this, use an AC input reactor (optional) before AC Motor Drive mains input to reduce the
current and improve the input power efficiency.
B.
C.
When a special motor is used or more than one motor is driven in parallel with a single
AC Motor Drive, select the AC Motor Drive current ≥1.25x(Sum of the motor rated
currents).
The starting and accel./decel. characteristics of a motor are limited by the rated current
and the overload protection of the AC Motor Drive. Compared to running the motor
D.O.L. (Direct On-Line), a lower starting torque output with AC Motor Drive can be
expected. If higher starting torque is required (such as for elevators, mixers, tooling
machines, etc.) use an AC Motor Drive of higher capacity or increase the capacities for
both the motor and the AC Motor Drive.
D.
When an error occurs on the drive, a protective circuit will be activated and the AC Motor
Drive output is turned off and the motor will coast to stop. For an emergency stop, an
external mechanical brake is needed to quickly stop the motor.
Parameter Settings Note
A.
B.
C.
The AC Motor Drive can be driven at an output frequency up to 400Hz (less for some
models). Setting errors may create a dangerous situation. For safety, the use of the
upper limit frequency function is strongly recommended.
High DC braking operating voltages and long operation time (at low frequencies) may
cause overheating of the motor. In that case, forced external motor cooling is
recommended.
Motor accel./decel. time is determined by motor rated torque, load torque, and load
inertia.
C-4
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D.
If the stall prevention function is activated, the accel./decel. time is automatically
extended to a length that the AC Motor Drive can handle. If the motor needs to
decelerate within a certain time with high load inertia that can’t be handled by the AC
Motor Drive in the required time, either use an external brake resistor and/or brake unit,
depending on the model, (to shorten deceleration time only) or increase the capacity for
both the motor and the AC Motor Drive.
C.3 How to Choose a Suitable Motor
Standard motor
When using the AC Motor Drive to control a standard 3-phase induction motor, take the
following precautions:
A.
B.
The motor losses are greater than for an inverter duty motor.
Avoid running the motor at low speed for a long time. Under this condition, the motor
temperature may rise above the motor rating due to limited airflow produced by the
motor’s fan. Consider external forced motor cooling.
C.
D.
When the standard motor operates at low speed for long time, the output load must be
decreased.
The load tolerance of a standard motor is as follows:
Load duty-cycle
25%
40%
60%
100
82
70
60
continuous
50
0
3 6 20
Frequency (Hz)
60
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Appendix D CE|VFD-S Series
E.
F.
G.
If 100% continuous torque is required at low speed, it may be necessary to use a special
inverter duty motor.
Motor dynamic balance and rotor endurance should be considered if the operating speed
exceeds the rated speed (60Hz) of a standard motor.
Motor torque characteristics vary when an AC Motor Drive instead of commercial power
supply drives the motor. Check the load torque characteristics of the machine to be
connected.
H.
Because of the high carrier frequency PWM control of the VFD series, pay attention to
the following motor vibration problems:
ꢀ
ꢀ
ꢀ
Resonant mechanical vibration: anti-vibration (damping) rubbers should be
used to mount equipment that runs at varying speed.
Motor imbalance: special care is required for operation at 50 or 60 Hz and
higher frequency.
To avoid resonances, use the Skip frequencies.
I.
The motor fan will be very noisy when the motor speed exceeds 50 or 60Hz.
Special motors:
A.
Pole-changing (Dahlander) motor:
The rated current is different from that of a standard motor. Please check before
operation and select the capacity of the AC motor drive carefully. When changing the
pole number the motor needs to be stopped first. If over current occurs during operation
or regenerative voltage is too high, please let the motor free run to stop (coast).
Submersible motor:
B.
C.
The rated current is higher than that of a standard motor. Please check before operation
and choose the capacity of the AC motor drive carefully. With long motor cable between
AC motor drive and motor, available motor torque is reduced.
Explosion-proof (Ex) motor:
Needs to be installed in a safe place and the wiring should comply with the (Ex)
requirements. Delta AC Motor Drives are not suitable for (Ex) areas with special
precautions.
C-6
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D.
E.
Gear reduction motor:
The lubricating method of reduction gearbox and speed range for continuous operation
will be different and depending on brand. The lubricating function for operating long time
at low speed and for high-speed operation needs to be considered carefully.
Synchronous motor:
The rated current and starting current are higher than for standard motors. Please check
before operation and choose the capacity of the AC motor drive carefully. When the AC
motor drive operates more than one motor, please pay attention to starting and changing
the motor.
Power Transmission Mechanism
Pay attention to reduced lubrication when operating gear reduction motors, gearboxes,
belts and chains, etc. over longer periods at low speeds. At high speeds of 50/60Hz and
above, lifetime reducing noises and vibrations may occur.
Motor torque
The torque characteristics of a motor operated by an AC motor drive and commercial
mains power are different.
Below you’ll find the torque-speed characteristics of a standard motor (4-pole, 15kW):
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Appendix D CE|VFD-S Series
AC motor drive
60 seconds
Motor
180
180
155
60 seconds
155
140
100
80
100
55
38
55
38
0
0
320 60
320 60
120
120
Frequency (Hz)
Base freq.: 60Hz
V/F for 220V/60Hz
Frequency (Hz)
Base freq.: 60Hz
V/F for 220V/60Hz
180
150
60 seconds
60 seconds
140
130
100
85
68
100
80
45
35
45
35
0
0
320
20
50
50
120
3
120
Frequency (Hz)
Base freq.: 50Hz
V/F for 220V/50Hz
Frequency (Hz)
Base freq.: 50Hz
V/F for 220V/50Hz
C-8
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Appendix D CE
DELTA ELECTRONICS, INC.
EC Declaration of Conformity
According to the Low Voltage Directive 73/23/EEC and the Amendment Directive 93/68/EEC
For the following equipment:
AC Motor Drive
(Product Name)
VFD002S11A/B, VFD004S11A/B, VFD007S11A/B, VFD022S21A/B, VFD002S23B, VFD004S23B,
VFD007S23A/B, VFD022S23A/B/D, VFD004S43A/B/E, VFD007S43A/B/E, VFD015S43A/B/D/E/U,
VFD022S43A/B/D/E/U, VFD015S21A/B/D/E/U, VFD022S21A/B/D/E/U, VFD007S21A/B/E,
VFD004S21A/B/E, VFD015S23A/B/D
(Model Name)
is herewith confirmed to comply with the requirements set out in the Council Directive 73/23/EEC for
electrical equipment used within certain voltage limits and the Amendment Directive 93/68/EEC. For
the evaluation of the compliance with this Directive, the following standard was applied:
EN 50178
The following manufacturer/importer is responsible for this declaration:
Delta Electronics, Inc.
(Company Name)
31-1, Shien Pan Road, Kuei San Industrial Zone, Taoyuan Shien, Taiwan 333
(Company Address)
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Appendix D CE|VFD-S Series
DELTA ELECTRONICS, INC.
EC Declaration of Conformity
According to the Low Voltage Directive 89/336/EEC and the Amendment Directive 93/68/EEC
For the following equipment:
AC Motor Drive
(Product Name)
VFD002S11A/B, VFD004S11A/B, VFD007S11A/B, VFD022S21A/B, VFD002S23B, VFD004S23B,
VFD007S23A/B, VFD022S23A/B/D, VFD004S43A/B/E, VFD007S43A/B/E, VFD015S43A/B/D/E/U,
VFD022S43A/B/D/E/U, VFD015S21A/B/D/E/U, VFD022S21A/B/D/E/U, VFD007S21A/B/E,
VFD004S21A/B/E, VFD015S23A/B/D
(Model Name)
is herewith confirmed to comply with the requirements set out in the Council Directive 89/336/EEC for
electrical equipment used within certain voltage limits and the Amendment Directive 93/68/EEC. For
the evaluation of the compliance with this Directive, the following standard was applied:
EN61800-3, EN55011, EN61000-6-1, EN61000-6-2, EN61000-4-2, EN61000-4-3, EN61000-4-4,
EN61000-4-5, EN61000-4-6, EN61000-4-8
The following manufacturer/importer is responsible for this declaration:
Delta Electronics, Inc.
(Company Name)
31-1, Shien Pan Road, Kuei San Industrial Zone, Taoyuan Shien, Taiwan 333
(Company Address)
D-2
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