Preface
Thank you for choosing DELTA’s high-performance VFD-M Series. The VFD-M Series is
manufactured with high-quality components and materials and incorporates the latest microprocessor
technology available.
Getting Started
This quick start will be helpful in the installation and parameter setting of the AC motor drives. To
guarantee safe operation of the equipment, read the following safety guidelines before
connecting power to the AC motor drives. For detail information, refer to the VFD-M User Manual
on the CD supplied with the drive.
DANGER!
1.
2.
AC input power must be disconnected before any wiring to the AC motor drive is made.
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 turned off before
opening the AC motor drive and wait ten minutes for the capacitors to discharge to safe voltage
levels.
3.
4.
Never reassemble internal components or wiring.
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.
6.
7.
Ground the VFD-M 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.
VFD-M series is used only to control variable speed of 3-phase induction motors, NOT for 1-
phase motors or other purpose.
VFD-M series shall NOT be used for life support equipment or any life safety situation.
WARNING!
1.
2.
DO NOT use Hi-pot test for internal components. The semi-conductor used in AC motor drive
easily damage 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.
3.
Only quality person is allowed to install, wire and maintain AC motor drive.
CAUTION!
1.
2.
Some parameters settings can 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 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.
6.
The rated voltage for AC motor drive must be ≤240V for 230V models (≤120V for 115V models,
≤480V for 460V models, ≤600V for 575V models) and the mains supply current capacity must
be ≤5000A RMS (≤10000A RMS for the ≥40hp (30kW) models).
English-1
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Voltage Class
575V Class
Model Number VFD-XXXM
Max. Applicable Motor Output (kW)
Max. Applicable Motor Output (hp)
Rated Output Capacity (kVA)
Rated Output Current (A)
007
0.75
1.0
1.7
1.7
015
1.5
2.0
3.0
3.0
022
037
3.7
5.0
6.6
6.6
055
5.5
7.5
9.9
9.9
075
7.5
10
12.2
12.2
2.2
3.0
4.2
4.2
Maximum Output Voltage (V)
Output Frequency (Hz)
3-phase Proportional to Input Voltage
0.1~400 Hz
1-10
Carrier Frequency (kHz)
3-phase
Rated Input Current (A)
2.4
1.5
4.2
5.9
7.0
10.5
3.2
12.9
3.3
Rated Voltage, Frequency
Voltage Tolerance
Frequency Tolerance
Cooling Method
3-phase 500~600 VAC, 50/60Hz
-15%~+10% (425~660 VAC)
±
5% (47~63 Hz)
Fan Cooled
Weight (kg)
1.5
2.0
3.2
General Specifications
Control System
SPWM (Sinusoidal Pulse Width Modulation) control (V/F or sensorless vector
control)
Freq. Setting Resolution
0.1Hz
Output Frequency
Resolution
0.1Hz
Including the auto-torque, auto-slip compensation; starting torque can be 150% at
5.0Hz
Torque Characteristics
Overload Endurance
Skip Frequency
150% of rated current for 1 minute
Three zones, settings range 0.1-400Hz
Accel/Decel Time
0.1 to 600 seconds (4 Independent settings for Accel/Decel Time)
Stall Prevention Level
Frequency Setting
20 to 200%, Setting of Rated Current
Operation frequency 0-60Hz, output 0-100% rated current
Start time 0-5 seconds, stop time 0-25 seconds
DC Injection Braking
Approx. 20% (up to 125% possible with option brake resistor or brake unit
externally mounted, 1-15HP braking transistor built-in)
Braking Torque
V/F Pattern
Adjustable V/F pattern
Setting by
Keypad
Frequency
External
Setting
Potentiometer-5KΩ/0.5W, 0 to +10VDC, 4 to 20mA RS-485 interface; Multi-
Function Inputs 0 to 5 (7 steps, Jog, up/down)
Signal
Keypad
External
Signal
Set by RUN, STOP
Operation
Setting
Signal
M0 to M5 can be combined to offer various modes of operation, RS-485 serial
interface (MODBUS).
Multi-step selection 0 to 7, Jog, accel/decel inhibit, first to forth accel/decel
switches, counter, PLC operation, external Base Block (NC, NO), auxiliary motor
control is invalid, selections, driver reset, UP/DOWN key settings, sink/source
selection
Multi-Function Input Signal
AC drive operating, frequency attained, non-zero, base block, fault indication,
local/remote indication, PLC operation indication, auxiliary motor output, driver is
ready, overheat alarm, emergency stop
Multi-Function Output
Indication
Analog Output Signal
Alarm Output Contact
Analog frequency/current signal output.
1 Form C contact or open collector output
AVR, S-Curve, over-voltage, over-current stall prevention, fault records, adjustable
carrier frequency, DC braking, momentary power loss restart, auto tuning,
frequency limits, parameter Lock/Reset, vector control, counter, PID Control, PLC,
MODBUS communication, reverse Inhibition, abnormal reset, abnormal re-start,
digital frequency output, sleep/revival function, 1st/2nd frequency source selections
Operation Functions
English-3
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General Specifications
Self-testing, over voltage, over current, under voltage, overload, overheating,
external fault, electronic thermal, ground fault.
Protection Functions
Display Keypads
6-key, 4-digit, 7-segment LED, 4 status LEDs, master frequency, output frequency,
output current, custom units, parameter values for setup, review and faults, RUN,
STOP, RESET, FWD/REV
Built-in Brake Chopper
Protection Level
Built-in for all models
IP20
Pollution Degree
2
Installation Location
Altitude 1,000 m or lower, keep from corrosive gasses, liquid and dust
Ambient Temperature
-10oC to 40oC (-10oC to 50oC without blind plate) Non-Condensing and not frozen
Storage/Transportation
Temperature
-20oC to 60oC
Ambient Humidity
Vibration
Below 90% RH (non-condensing)
9.80665m/s2 (1G) less than 20Hz, 5.88m/s2 (0.6G) at 20 to 50Hz
Approvals
Note: Do not attempt to connect a single-phase power source to a three-phase models drive.
However it is acceptable to connect two wires of a three-phase power source to a single-phase drive.
Basic Wiring Diagram
Users must connect wiring according to the following circuit diagram shown below.
Brake Resistor (optional)
Main Circuit Power
NFB
AC Motor
B1
B2
R/L1
S/L2
T/L3
R/L1
S/L2
T/L3
U/T1
V/T2
IM
3~
SA
W/T3
E
Recommended Circuit
when power supply
is turned OFF by a
fault output
RB
RC
MC
ON
Grounding
OFF
MC
The spec. of main circuit
terminal is M3.0
RA
Multi-function indication
output contact
RB
RC
Factory default
Forward/Stop
120VAC/250VAC 5A
M0
M1
M2
M3
M4
M5
24VDC less than 2.5A
Factory default:
indicates malfunction
Reverse/Stop
Reset
MO1
Multi-function Photocoupler
output contact 48VDC 50mA
Multi-step 1
Multi-step 2
Multi-step 3
Common signal
Factory default: Indicates
during operation
MCM
AFM
VR(1KΩ)
For adjustment
GND
E
Analog output
DC 0 10V
+
-
Master Frequency setting
factory default is VR which is
on the digital keypad
～
Power for speed setting
+10V 10mA(MAX)
GND
E
RJ-11
Factory default:
output frequency
3
Analog voltage
2
Main circuit (power)
terminals
Control circuit terminals
0
：
～
10VDC
VR
1:15V
2:GND
3:SG-
AVI
RS-485
VR
3K～
5KΩ
series interface
6←1
1
Analog current
ACI
GND
E
4:SG+
5:Reserved
6:Reserved
Shielded leads
NOTE: Do not plug 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.
* Single phase model can be input 3-phase power.
English-4
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Description of Digital Keypad
The digital keypad includes two parts: Display panel and keypad. The display panel provides the
parameter display and shows the operation status of the AC drive and the keypad provides
programming and control interface.
DIGITAL KEYPAD
LED Display
Indicates motor and
drive parameter.
Program/Function mode key
LED Indicates
Selects normal mode/
program mode. Displays
the AC drive status, such as
output freq., selects the
parameters.
Lamp lights during RUN,
STOP, FWD & REV
operation.
RUN STOP FWD REV
Run key
Starts AC drive operation.
MODE
RUN
Enter Key
Press ENTER after
key in the elected
parameters or
change data.
STOP/RESET Key
Stops and resets the
parameter after a fault
occurs.
STOP
RESET
ENTER
50
UP and DOWN Key
Sets the parameter number
or changes the numerical
data such as the freq.
reference.
Potentiometer
For master Frequency
setting refer to Pr.00.
VFD-M
100
0
FREQ SET
LC-M02E
How to Operate the Digital Keypad LC-M02E
Selection mode
START
MODE
MODE
MODE
MODE
MODE
GO START
ENTER
NOTE: In the selection mode, press
To set parameters
to set the parameters.
parameter set
successfully
ENTER
ENTER
ENTER
or
or
move to previous
display
MODE
parameter set
error
MODE
NOTE: In the parameter setting mode, you can press
to return to the selection mode.
To modify data
START
To set direction
(When operation source is digital keypad)
or
or
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Power Terminals
Wire
Gauge
AWG
Max.
Torque
kgf-cm
(in-lbf)
Current
(input /
output)
Model Name
(mm2)
VFD002M11A
VFD004M11A
6A/1.6A
9A/2.5A
12-14
(3.3-2.1)
VFD007M11A
16A/4.2A
6.3A/2.5A
3.2A/2.5A
11.5A/5.0A
6.3A/5.0A
15.7A/7.0A
12 (3.3)
VFD004M21A/21B
VFD004M23A
14
(12)
12-14
(3.3-2.1)
VFD007M21A/21B
VFD007M23A
VFD015M21A/21B
12 (3.3)
12-14
(3.3-2.1)
VFD015M23A
VFD022M21A
VFD022M23B
9.0A/7.0A
27A/10A
15A/10A
8 (8.4)
8-12
(8.4-3.3)
15
(13)
8-10
(8.4-5.3)
VFD037M23A
VFD055M23A
VFD007M43B
19.6A/17A
28A/25A
8 (8.4)
12-14
(3.3-2.1)
4.2A/3.0A
12-14
(3.3-2.1)
VFD007M53A
VFD015M43B
VFD015M53A
VFD022M43B
VFD022M53A
VFD037M43A
VFD037M53A
VFD055M43A
VFD055M53A
VFD075M43A
VFD075M53A
2.4A/1.7A
5.7A/4.0A
4.2A/3.0A
6.0A/5.0A
5.9A/4.2A
8.5A/8.2A
7.0A/6.6A
14A/13A
12-14
(3.3-2.1)
14
(12)
12-14
(3.3-2.1)
12-14
(3.3-2.1)
12-14
(3.3-2.1)
8-14
(8.4-2.1)
8-14
(8.4-2.1)
8-12
(8.4-3.3)
15
(13)
8-12
(8.4-3.3)
10.5A/9.9A
23A/18A
8-10
(8.4-5.3)
8-12
(8.4-3.3)
12.9A/12.2A
Wire Type: 75 oC Copper Only
Note: It needs to use the Recognized Ring Terminal to conduct a proper wiring.
English-6
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Terminal Explanations
Terminal Symbol
R/L1, S/L2, T/L3
U/T1, V/T2, W/T3
B1 – B2
Explanation of Terminal Function
AC line input terminals (three phase)
Motor connections
Connections for brake resistor (optional)
Earth Ground
Control Terminal Wiring (Factory Setting)
Wire Type: Copper Only
Wire Gauge: 22-16 AWG
Torque: 2kgf-cm (1.73 in-lbf)
Wire Type: 75 C, Copper Only
Wire Gauge: 24-12 AWG
Torque: 4kgf-cm (3.5 in-lbf)
MCM
AVI GND
MO1
M3
M5
ACI
GND AFM +10V
RA RB RC
M0 M1 M2
M4
Relay contactor
Output
Factory Setting
Photo coupler
output
Factory setting:
fault indication
4~20mA
Bias
Potentiometer
Forward/Stop
Reverse/Stop
Reset
Multi-step speed 1
Multi-step speed 2
Multi-step speed 3
Full scale voltmeter
0 to 10 VDC
NPN Mode
NPN mode with external power
NPN mode without external power
24
Vdc
+
+24V
+24V
-
Forward/Stop
Forward/Stop
M0
M1
M2
M3
M4
M5
M0
M1
M2
M3
M4
M5
Reverse/Stop
Reset
Reverse/Stop
Reset
Multi-step 1
Multi-step 2
Multi-step 3
Multi-step 1
Multi-step 2
Multi-step 3
Common Signal
GND
GND
NOTE
E
E
Don't apply the mains voltage
directly to above terminals.
Terminal
Symbol
Terminal Function
Factory Settings (NPN mode)
RA-RC
Multi-Function Relay Output
(N.O.) a
Resistive Load
RA
5A(N.O.)/3A(N.C.) 277Vac; 5A(N.O.)/3A(N.C.) 30Vdc
Refer to P45 for programming.
RB-RC
Resistive Load
5A(N.O.)/3A(N.C.) 277Vac; 5A(N.O.)/3A(N.C.) 30Vdc
Multi-Function Relay Output
(N.C.) b
RB
RC
Multi-function Relay Common 5A(N.O.)/3A(N.C.) 277Vac; 5A(N.O.)/3A(N.C.) 30Vdc
English-7
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Terminal
Symbol
M0
M1
M2
M3
M4
M5
Terminal Function
Factory Settings (NPN mode)
M0~M5-GND
Refer to P38~P42 for programming the multi-function
inputs.
Multi-function auxiliary input
Multi-function input 1
Multi-function input 2
Multi-function input 3
Multi-function input 4
Multi-function input 5
ON: the activation current is 10 mA.
OFF: leakage current tolerance is 10μA.
GND Common Signal
+10V-GND
It can supply +10 VDC power.
+10V +10 Vdc Output
Analog Voltage Input
+10V
AVI Circuit
Impedance: 20kΩ
Resolution: 10 bits
AVI
AVI
Range: 0~10Vdc = 0~Max.Output Frequency
ACM
Internal Circuit
Analog Current Input
ACI Circuit
ACI
Impedance: 250Ω
Resolution: 10 bits
ACI
Range: 4~20mA = 0~Max.Output Frequency
ACM
Internal Circuit
Analog Output Meter
ACM Circuit
AFM
0 to 10V, 2mA
Impedance: 100kΩ
Output Current: 2mA max
Resolution: 8 bits
Range: 0 ~ 10Vdc
AFM
Internal Circuit
ACM
Maximum: 48Vdc, 50mA
Refer to P45 for programming.
Max: 48Vdc/50mA
MO1-DCM
Multi-function Output Terminal
(Photocoupler)
MO1
MO1
MCM
MCM
Common for Multi-function Outputs
Internal Circuit
Multi-function Output Common
(Photocoupler)
Note: Use twisted-shielded, twisted-pair or shielded-lead wires for the control signal wiring. It is
recommended to run all signal wiring in a separate steel conduit. The shield wire should only be
connected at the drive. Do not connect shield wire on both ends.
English-8
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SUMMARY OF PARAMETER SETTINGS
a: The parameter can be set during operation
Factory
Setting
Parameter
Explanation
Settings
Customer
00: Master frequency determined by
digital keypad (LC-M02E)
01: Master frequency determined by 0 to
+10 V input on AVI terminal with
jumpers
Source of Frequency
Command
02: Master frequency determined by 4 to
20mA input on ACI terminal with
jumpers
aPr.00
00
03: Master frequency determined by RS-
485 Communication port
04: Master frequency determined by
potentiometer on digital keypad
00: Operation determined by digital
keypad
01: Operation determined by external
control terminals, keypad STOP is
effective
02: Operation determined by external
control terminals, keypad STOP is
ineffective
Source of Operation
command
aPr.01
00
03: Operation determined by RS-485
communication port, keypad STOP is
effective
04: Operation determined by RS-485
communication port, keypad STOP is
ineffective
00: Ramp stop
01: Coast Stop
Pr.02
Pr.03
Stop Method
00
Maximum Output
Frequency
50.00 to 400.0 Hz
60.00
Maximum Voltage
Frequency (Base
Frequency)
Pr.04
10.00 to 400.0Hz
60.00
115V/230V: 0.1 to 255.0V
460V: 0.1 to 510.0V
575V: 0.1 to 637.0V
0.10 to 400.0Hz
220.0
440.0
575.0
1.50
Maximum Output
Voltage (Vmax)
Pr.05
Pr.06
Mid-point Frequency
115V/230V: 0.1 to 255.0V
460V: 0.1 to 510.0V
575V: 0.1 to 637.0V
10.0
20.0
26.1
Pr.07
Mid-point Voltage
Pr.08
Pr.09
Minimum Output Freq
0.10 to 20.00Hz
1.50
115V/230V: 0.1 to 255.0V
460V: 0.1 to 510.0V
575V: 0.1 to 637.0V
10.0
20.0
26.1
Minimum Output
Voltage
aPr.10
aPr.11
aPr.12
aPr.13
Pr.14
Acceleration Time 1
Deceleration Time 1
Acceleration Time 2
Deceleration Time 2
Accel S-curve
0.1 to 600.0 sec or 0.01 to 600.0 sec
0.1 to 600.0 sec or 0.01 to 600.0 sec
0.1 to 600.0 sec or 0.01 to 600.0 sec
0.1 to 600.0 sec or 0.01 to 600.0 sec
00 to 07
10.0
10.0
10.0
10.0
00
aPr.15
Jog Accel/Decel Time
0.1 to 600.0 sec or 0.01 to 600.0 sec
1.0
English-9
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Factory
Setting
6.00
0.00
0.00
0.00
0.00
0.00
0.00
Parameter
Explanation
Settings
0.00 to 400.0 Hz
Customer
aPr.16
aPr.17
aPr.18
aPr.19
aPr.20
aPr.21
aPr.22
aPr.23
Jog Frequency
1st Step Speed Freq.
2nd Step Speed Freq.
3rd Step Speed Freq.
4th Step Speed Freq.
5th Step Speed Freq.
6th Step Speed Freq.
7th Step Speed Freq.
0.00 to 400.0Hz
0.00 to 400.0Hz
0.00 to 400.0Hz
0.00 to 400.0Hz
0.00 to 400.0Hz
0.00 to 400.0Hz
0.00 to 400.0Hz
0.00
Reserve Operation
Inhibition
00: Enable REV operation
01: Disable REV operation
Pr.24
00
00: Disable
390
780
975
Over-Voltage Stall
Prevention
115V/230V: 330 to 450 Vdc
460V: 660 to 900 Vdc
575V: 825 to 1025 Vdc
Pr.25
Over-current Stall
Prevention during
Acceleration
00: Disable
20% to 200%
Pr.26
Pr.27
150
150
Over-current Stall
Prevention during
Operation
00: Disable
20% to 200%
DC Braking Current
Level
Pr.28
Pr.29
00 to 100 %
00
DC Braking during
Start-up
0.0 to 5.0 sec
0.0
DC Braking during
Stopping
Pr.30
Pr.31
0.0 to 25.0 sec
0.0
Start-point for DC
Braking
0.00 to 60.00 Hz
0.00
00: Stop operation after momentary
power loss
01: Continues after momentary power
loss, speed search starts with Master
Frequency
Momentary Power Loss
Operation Selection
Pr.32
00
02: Continues after momentary power
loss, speed search starts with
Minimum output Frequency
Maximum Allowable
Power Loss Time
Pr.33
Pr.34
Pr.35
0.3 to 5.0 sec
0.3 to 5.0 sec
30 to 200 %
2.0
0.5
150
Base-Block Time for
Speed Search
Maximum Current
Level for Speed Search
Upper Bound of Output
Frequency
Pr.36
Pr.37
0.10 Hz to 400.0 Hz
0.00 Hz to 400.0 Hz
400.0
0.00
Lower Bound of Output
Frequency
English-10
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Factory
Setting
Parameter
Explanation
Settings
Customer
00: M0: FWD/STOP, M1: REV/STOP
01: M0: RUN/STOP, M1: REV/FWD
02: M0, M1, M2: 3-wire operation control
mode
Multi-function Input
Terminal (M0,M1)
Pr.38
00
00: No Function
01: Output OFF (N.O.) (enabled when
running)
02: Output OFF (N.C.) (enabled when
running)
03: External Fault (normally open) N.O.
04: External Fault (normally close) N.C
05: RESET
06: Multi-Step Speed Command 1
07: Multi-Step Speed Command 2
08: Multi-Step Speed Command 3
09: Jog Operation
10: Accel/Decel Speed Inhibit
11: First or Second Accel/Decel Time
12: Base-block (B.B.) (N.O)
13: Base-block (B.B.) (N.C)
14: Increase Master Frequency
15: Decrease Master Frequency
16: Run PLC Program
17: Pause PLC
18: Counter Trigger Signal
19: Counter Reset
Multi-function Input
Terminal (M2)
Pr.39
Pr.40
Pr.41
Pr.42
05
06
07
08
Multi-function Input
Terminal (M3)
Multi-function Input
Terminal (M4)
20: No function
21: RESET command (N.C)
22: Control source: External Terminal
23: Control source: Keypad
24: Control source: Communication
25: Parameter Lock (Write disable, Read
is always 0)
Multi-function Input
Terminal (M5)
26: PID Disable (N.O.)
27: PID Disable (N.C.)
28: Second Source for Frequency
Command
29: Forward (contact is open) / Reverse
(contact is close)
30: One-Shot PLC Run
31: Index input signal
32: Counter Incremented by Drive Output
Frequency
00: Analog Frequency Meter (0 to
Maximum Output Frequency)
01: Analog Current Meter (0 to 250% of
the rated AC drive current)
02: Feedback signal (0 - 100%)
03: Output power (0 - 100%)
aPr.43
aPr.44
Analog Output Signal
Analog Output Gain
00
00 to 200 %
100
English-11
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Factory
Setting
Parameter
Explanation
Settings
Customer
00: AC Drive Operational
01: Maximum Output Frequency Attained
02: Zero Speed
03: Over-Torque Detection
04: Base-Block (B.B) Indication
05: Low Voltage Indication
06: AC Drive Operation Mode
07: Fault Indication
08: Desired Frequency Attained
09: PLC Program Running
10: PLC Program Step Completed
11: PLC Program Completed
12: PLC Operation Paused
13: Top Count Value Attained
14: Preliminary Counter Value Attained
15: Warning (PID feedback loss,
communication error)
Multi-Function Output
Terminal 1
(Photocoupler output)
Pr.45
Pr.46
00
07
Multi-function Output
Terminal 2
(Relay Output)
16: Below the Desired Frequency
17: PID supervision
18: Over Voltage supervision
19: Over Heat supervision
20: Over Current stall supervision
21: Over Voltage stall supervision
22: Forward command
23: Reverse command
24: Zero Speed (Includes Drive Stop)
Desired Frequency
Attained
aPr.47
aPr.48
aPr.49
aPr.50
0.00 to 400.0 Hz
0.00 to 200.0%
0.00
0.00
00
Adjust Bias of External
Input Frequency
Potentiometer Bias
Polarity
00: Positive Bias
01: Negative Bias
Potentiometer
Frequency Gain
0.10 to 200.0%
100.0
00: Reverse Motion Disabled in negative
Potentiometer Reverse
Motion Enable
bias
Pr.51
00
01: Reverse Motion Enabled in negative
bias
aPr.52
aPr.53
Motor Rated Current
30.0% FLA to 120.0% FLA
FLA
0.4*
FLA
Motor No-Load Current 00%FLA to 99%FLA
Torque Compensation 00 to 10
aPr.54
aPr.55
Pr.56
00
Slip Compensation
Reserved
0.00 to 10.00
0.00
Pr.57
AC Drive Rated Current Display (unit: 0.1A)
##.#
02
00: Standard Motor (self cool motor)
Electronic Thermal
Overload Relay
01: Inverter Motor (auxiliary cool fan on
Pr.58
motor)
02: Inactive
English-12
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Factory
Setting
Parameter
Explanation
Settings
Customer
Electronic Thermal
Motor Overload
aPr.59
30 to 300 sec
60
00: Over-Torque Detection Disable
01: Enabled during constant speed
operation until the allowable time for
detection (Pr.62) elapses.
02: Enabled during constant speed
operation and halted after detection.
03: Enabled during acceleration until the
allowable time for detection (Pr.62)
elapses.
Over-Torque Detection
Mode
Pr.60
00
04: Enabled during acceleration and
halted after detection.
Over-Torque Detection
Level
Pr.61
Pr.62
30 to 200 %
150
0.1
Over-Torque Detection
Time
0.0 to 10.0 seconds
00: Decelerate to 0 Hz
01: Stop immediately and display "EF"
02: Continue operation by last frequency
command
Pr.63
Loss of ACI (4-20mA)
00
00: Display AC drive output Frequency
(Hz)
01: Display User-defined output
Frequency (H*Pr.65)
02: Output Voltage (E)
03: DC Bus Voltage (u_)
04: PV (i)
User Defined Function 05: Display the value of internal counter
aPr.64
06
for Display
(c)
06: Display the setting frequency (F or
o=%)
07: Display the parameter setting (Pr.00)
08: Reserved
09: Output Current (A)
10: Display program operation (0.xxx),
Fwd, or Rev
aPr.65
aPr.66
Pr.67
Coefficient K
0.01 to 160.0
1.00
0.00
0.00
Communication
Frequency
0.00 to 400.0 Hz
0.00 to 400.0 Hz
Skip Frequency 1
Pr.68
Pr.69
Pr.70
Skip Frequency 2
Skip Frequency 3
Skip Frequency Band
0.00 to 400.0 Hz
0.00 to 400.0 Hz
0.00 to 20.00 Hz
0.00
0.00
0.00
01 to 15
15
PWM Carrier
Frequency
The factory setting of VFD075M43A is 10.
Pr.71
Pr.72
575V series: 01 to 10
00 to 10
6
Auto Restart Attempts
after Fault
00
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Factory
Setting
Parameter
Explanation
Settings
00: No fault occurred
Customer
Pr.73
Present Fault Record
00
01: Over-current (oc)
02: Over-voltage (ov)
03: Overheat (oH)
04: Overload (oL)
Second Most Recent
Fault Record
Pr.74
00
05: Overload 1 (oL1)
06: External Fault (EF)
07: CPU failure 1 (CF1)
08: CPU failure 3 (CF3)
09: Hardware Protection Failure (HPF)
10: Over-current during acceleration (oca)
11: Over-current during deceleration
(ocd)
12: Over-current during steady state
operation (ocn)
Third Most Recent
Fault Record
Pr.75
00
13: Ground fault or fuse failure(GFF)
14: Low Voltage (not record)
15: 3 Phase Input Power Loss
16: EPROM failure (CF2)
17: External interrupt allowance(bb)
18: Overload (oL2)
19: Auto Adjustable accel/decel failure
(CFA)
20: CPU self detection failure (codE)
00: All parameters can be set/read
01: All parameters are read-only
02-08: Reserved
09: Resets all parameters to 50Hz factory
defaults
Parameter Lock and
Configuration
Pr.76
Pr.77
00
10: Resets all parameters to 60Hz factory
defaults
Time for Auto Reset the
Restart Times in
Abnormality
0.1 to 6000.0 sec
60.0
00: Disable PLC operation
01: Execute one program cycle
02: Continuously execute program cycles
03: Execute one program cycle step by
step
Pr.78
PLC Operation Mode
00
04: Continuously execute one program
cycle step by step
Pr.79
Pr.80
PLC FWD/REV Motion 00 to 127
00
##
Identity Code of the AC
Read only
Motor Drive
Time Duration of 1st
Step Speed
Time Duration of 2nd
Step Speed
Time Duration of 3rd
Step Speed
Pr.81
Pr.82
Pr.83
00 to 9999 sec
00
00
00
00 to 9999 sec
00 to 9999 sec
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Factory
Setting
Parameter
Pr.84
Explanation
Settings
Customer
Time Duration of 4th
Step Speed
00 to 9999 sec
00 to 9999 sec
00 to 9999 sec
00 to 9999 sec
01 to 254
00
00
00
00
01
Time Duration of 5th
Step Speed
Time Duration of 6th
Step Speed
Time Duration of 7th
Step Speed
Communication
Address
Pr.85
Pr.86
Pr.87
Pr.88
00: 4800 bps
01: 9600 bps
02: 19200 bps
03: 38400 bps
Pr.89
Transmission Speed
01
00: Warn and Continue Operating
01: Warn and RAMP to Stop
02: Warn and COAST to Stop
03: Keep Operation without Warning
Transmission Fault
Treatment
Pr.90
Pr.91
03
0.0: Disable
0.1 to 120.0 sec
Time Out Detection
0.0
00: MODBUS ASCII mode, <7,N,2>
01: MODBUS ASCII mode, <7,E,1>
02: MODBUS ASCII mode, <7,O,1>
03: MODBUS RTU mode, <8,N,2>
04: MODBUS RTU mode, <8,E,1>
05: MODBUS RTU mode, <8,O,1>
Communication
Protocol
Pr.92
00
Accel 1 to Accel 2
Frequency Transition
Decel 1 to Decel 2
Frequency Transition
0.01 to 400.0
0.00: Disable
0.01 to 400.0
0.00: Disable
Pr.93
Pr.94
Pr.95
0.00
0.00
00
00: Disable auto energy saving
01: Enable auto energy saving
Auto Energy Saving
Counter Countdown
Complete
Pr.96
Pr.97
Pr.98
00 to 9999
00
00
Preset counter
countdown
Total Time Count from
Power On (Days)
00 to 9999
Read
Only
00 to 65535 days
Total Time Count from
Power On (Minutes)
Read
Only
Pr.99
00 to 1440 minutes
Pr.100
Software Version
##
00
00: Linear Accel/Decel
01: Auto Accel, Linear Decel
02: Linear Accel, Auto Decel
03: Auto Accel/Decel
Auto Adjustable
Accel/Decel
Pr.101
04: Linear Accel/Decel Stall Prevention
during Deceleration
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Factory
Setting
Parameter
Explanation
Settings
Customer
00: AVR function enabled
Auto Voltage
Regulation (AVR)
01: AVR function disabled
02: AVR function disabled when stops
03: AVR function disabled when decel
Pr.102
00
00
00: Disable
01: Auto tune for R1
02: Auto tune for R1 + No Load testing
Auto tune Motor
Parameters
Pr.103
Pr.104
Pr.105
R1 value
00
00
00 to 65535 mΩ
00: V/F Control
01: Sensor-less Control
Control Mode
Pr.106
Pr.107
Rated Slip
0.00 to 10.00 Hz
3.00
10
Vector Voltage Filter
5 to 9999 (per 2ms)
Vector Slip
Compensation Filter
Pr.108
Pr.109
Pr.110
25 to 9999 (per 2ms)
50
00
Selection for Zero
Speed Control
00: No output
01: Control by DC voltage
Voltage of Zero Speed
Control
to 20.0 % of Max. output voltage (Pr.05)
5.0
Pr.111
Pr.112
Decel S-curve
External Terminal
Scanning Time
00 to 07
01 to 20
00
01
00: None speed search
01: Continue operation after fault speed
search from speed reference
02: Continue operation after fault speed
search from Minimum speed
Restart Method after
Fault (oc, ov, BB)
Pr.113
Pr.114
Pr.115
01
02
00
00: Fan Off when the drive stop after 1
Min.
01: AC Drive Runs and Fan On, AC Drive
Stops and Fan Off
02: Always Run
03: Reserved
Cooling Fan Control
00: Disable
01: Keypad (based on Pr.00 setting)
PID Set Point Selection 02: AVI (external 0-10V)
03: ACI (external 4-20mA)
04: PID set point (Pr.125)
00: Input positive PID feedback, PV from
AVI (0 to 10V)
01: Input negative PID feedback, PV from
AVI (0 to 10V)
02: Input positive PID feedback, PV from
ACI (4 to 20mA)
PID Feedback Terminal
Selection
Pr.116
00
03: Input negative PID feedback, PV from
ACI (4 to 20mA)
Pr.117
Pr.118
Proportional Gain (P)
Integral Time (I)
0.0 to 10.0
1.0
0.00: Disable
0.01 to 100.0 sec
1.00
English-16
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Factory
Setting
Parameter
Pr.119
Explanation
Settings
Customer
Differential Time (D)
0.00 to 1.00 sec
00 to 100 %
0.00
100 %
0.0
Integration’s Upper
Bound Frequency
Pr.120
Pr.121
One-Time Delay
0.0 to 2.5 sec
PID Frequency Output
Command Limit
Pr.122
Pr.123
Pr.124
00 to 110 %
100
60.0
00
Feedback Signal
Detection Time
0.0: Disable
0.1 to 3600 sec
Feedback Signal Fault 00: Warning and RAMP to stop
Treatment 01: Warning and keep operating
Pr.125
Pr.126
Source of PID Set Point 0.00 to 400.0Hz
0.00
10.0
PID Offset Level
1.0 to 50.0 %
Detection Time of PID
Offset
Pr.127
Pr.128
Pr.129
Pr.130
Pr.131
Pr.132
0.1 to 300.0 sec
5.0
0.0
Minimum Reference
Value
0.0 to 10.0 V
0.0 to 10.0 V
Maximum Reference
Value
10.0
00
Invert Reference Signal 00: Not inverted
AVI (0-10V)
01: Inverted
Minimum Reference
Value (4-20mA)
0.0 to 20.0mA
4.0
Maximum Reference
Value (4-20mA)
0.0 to 20.0mA
20.0
Invert Reference Signal 00: Not inverted
Pr.133
Pr.134
Pr.135
00
50
5
(4-20mA)
01: Inverted
Analog Input Delay
Filter for Set Point
00 to 9999 (per 2ms)
Analog Input Delay
Filter for Feedback
Signal
00 to 9999 (per 2ms)
Pr.136
Pr.137
Pr.138
Sleep Period
0.0 to 6550.0 sec
0.00 to 400.0 Hz
0.00 to 400.0 Hz
0.0
Sleep Frequency
Wake Up Frequency
0.00
0.00
Treatment for Counter 00: Continue operation
Pr.139
00
Attained
01: Stop Immediately and display E.F.
00: Fixed Mode (keypad)
01: By Accel or Decel Time
02: Reserved
External Up/Down
Selection
Pr.140
Pr.141
00
01
Save Frequency Set
Point
00: Not Save
01: Save
English-17
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Factory
Setting
Parameter
Explanation
Settings
00: Keypad Up/Down
Customer
01: AVI (0-10V)
02: ACI (4-20mA)
03: Communication
04: Keypad potentiometer
Second Source of
Frequency Command
Pr.142
00
115V/230V 370-450 Vdc
380.0
760.0
460V
575V
740-900 Vdc
925-1075 Vdc
Pr.143
Pr.144
Software Braking Level
950.0
Total operation time
(Day)
Read Only
Read Only
Total operation time
(Minutes)
Pr.145
Pr.146
00: Disable
01: Enable
Line start Lockout
00
Decimal Number of
Accel / Decel Time
00: One decimal
01: Two decimals
Pr.147
Pr.148
00
04
Number of Motor Poles 02 to 20
Gear Ratio for Simple
4 to 1000
Pr.149
Pr.150
Pr.151
200
180.0
0.00
Index Function
Index Angle for Simple
Index Function
00.0 to 360.0
Deceleration Time for
Simple Index Function
0.00 to 100.00 sec
Pr.152
Pr.153
Pr.154
Skip Frequency Width
0.00 to 400.0Hz
0.00 to 400.0Hz
0.00
0.00
Bias Frequency Width
Reserved
Compensation
aPr.155 Coefficient for Motor
0.0: Disable
0.1 to 5.0 (recommended setting d2.0)
0.0
Instability
Communication
aPr.156
0 to 200 (x500us)
0
1
Response Delay Time
Communication Mode
0: Delta ASCII
1: Modbus
aPr.157
Selection
English-18
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Fault Codes
Fault
Fault Descriptions
Corrective Actions
Name
1. Check whether the motors horsepower corresponds to the
AC drive output power.
2. Check the wiring connections between the AC drive and
motor for possible short circuits.
Over current
3. Increase the Acceleration time (Pr.10, Pr.12).
4. Check for possible excessive loading conditions at the motor.
5. If there are any abnormal conditions when operating the AC
drive after short-circuit being removed, it should be sent back
to manufacturer.
Abnormal increase
in current.
1. Check whether the input voltage falls within the rated AC
drive input voltage.
2. Check for possible voltage transients.
3. Bus over-voltage may also be caused by motor regeneration.
Either increase the decel time or add an optional brake
resistor.
Over voltage
The DC bus voltage
has exceeded its
maximum allowable
value.
4. Check whether the required braking power is within the
specified limits.
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.
Low voltage
1. Check whether the input voltage falls within the AC motor
drive rated input voltage range.
2. Check whether the motor has sudden load.
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.
1. Check whether the motor is overloaded.
2. Reduce torque compensation setting in Pr.54.
3. Take the next higher power AC motor drive model.
NOTE: The AC motor drive can withstand up to 150% of the
rated current for a maximum of 60 seconds.
Overload
The AC motor drive
detects excessive
drive output current.
1. Check for possible motor overload.
2. Check electronic thermal overload setting.
3. Use a higher power motor.
4. Reduce the current level so that the drive output current does
not exceed the value set by the Motor Rated Current Pr.52.
Overload 1
Internal electronic
overload trip
1. Reduce the motor load.
2. Adjust the over-torque detection setting to an appropriate
setting.
Overload 2
Motor overload.
English-19
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Fault
Name
Fault Descriptions
Corrective Actions
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.54.
Over-current
during
acceleration
3. Acceleration Time too short: Increase the Acceleration Time.
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.
Over-current
during
deceleration
3. 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. 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 steady state
operation
1. Turn off the power.
2. Check whether the input voltage falls within the rated AC
drive input voltage.
Internal EEPROM
can not be
programmed.
3. Turn on the power.
1. Check the connections between the main control board and
the power board
2. Reset the drive to the factory settings.
Internal EEPROM
can not be read.
1. Input EF (N.O.) on external terminal is closed to GND. Output
U, V, W will be turned off.
External Fault
2. Give RESET command after fault has been cleared.
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
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. Check the connection between the AC drive and computer
for loose wires.
2. Check if the communication protocol is properly set.
Communication
error (see Pr.92)
1. When the external input terminal (B.B) is active, the AC
motor drive output will be turned off.
2. Deactivate the external input terminal (B.B) to operate the AC
motor drive again.
External Base
Block.
OC hardware error Return to the factory.
English-20
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Fault
Name
Fault Descriptions
Corrective Actions
CC (current clamp)
OV hardware error
GFF hardware
error
OV or LV
Return to the factory.
Current sensor
error
U-phase error
W-phase error
Phase Loss
Check input phase wiring for loose contacts.
Return to the factory.
Software
protection failure
1. Check parameter settings (Pr.116) and AVI/ACI wiring.
2. Check for possible fault between system response time and
the PID feedback signal detection time (Pr.123)
PID feedback
signal error
Dimensions
W
D1
D
W1
Unit: mm [inch]
Model Name
W
W1
H
H1
H2
D
D1
VFD004M21A/23A,
VFD007M21A/23A,
VFD015M21A/23A
85.0
[3.35]
74.0
[2.91]
141.5
[5.57]
130.5
[5.14]
10.0
[0.39]
113.0
[4.45]
10.0
[0.39]
VFD002M11A,
VFD004M11A/21B,
VFD007M11A/21B/43B/53A,
VFD015M21B/43B/53A,
VFD022M23B/43B/53A
100.0
[3.94]
89.0
[3.50]
151.0
[5.94]
140.0
[5.51]
10.0
[0.39]
116.5
[4.59]
10.5
[0.41]
English-21
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W
D1
D
W1
Unit: mm [inch]
Model Name
W
W1
H
H1
H2
D
D1
VFD022M21A,
VFD037M23A/43A/53A,
VFD055M23A/43A/53A,
VFD075M43A/53A
125.0
[4.92]
110.0
[4.33]
220.0
[8.66]
205.0
[8.07]
15.0
[0.59]
166.3
[6.55]
8.2
[0.32]
English-22
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