User’s Guide
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PTC900/PTC901
Panel-Mount Programmable
Timer and Real-Time Clock
LP0678A
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z 6-DIGIT 0.56" RED SUNLIGHT READABLE DISPLAY
z 4 SEPARATE DISPLAYS (Timer, Counter, Real-Time Clock, and Date)
z CYCLE COUNTING CAPABILITY
z PROGRAMMABLE FUNCTION KEYS/USER INPUTS
z FOUR SETPOINT ALARM OUTPUTS (W/Plug-in card)
z COMMUNICATIONS AND BUS CAPABILITIES (W/Plug-in card)
z PC SOFTWARE AVAILABLE FOR METER CONFIGURATION
z NEMA 4X/IP65 SEALED FRONT BEZEL
The meters can have up to four setpoint outputs, determined by the optional
plug-in cards. The setpoint plug-in cards provide dual FORM-C relays (5A),
quad FORM-A relays (3A) or either quad sinking or quad sourcing open
collector logic outputs. The outputs can be assigned to the timer, counter, RTC
date, and RTC time. The outputs can also be independently configured to suit a
variety of control and alarm requirements.
Plug-in cards can also provide serial communications. These include RS232,
RS485, and Modbus. Display values, setpoint alarm values and setpoint states
can be controlled through serial communications. With the RS232 or RS485
communication card installed, it is possible to configure the meter using a
Windows® based program. The meter configuration data can be saved to a file
for later recall.
Once the meters have been initially configured, the parameter list may be
locked out from further modification entirely, or the setpoint, timer start/stop
values, counter start/stop values, RTC time SET, and Display Intensity can be
made accessible. This lockout is possible through a security code or user input.
The meters have been specifically designed for harsh industrial environments.
With a NEMA 4X/IP65 sealed bezel and extensive testing to meet CE
requirements, the meter provides a tough yet reliable application solution.
GENERAL DESCRIPTION
The PTC900 (Timer) and PTC901 (Clock/Timer) offer many features and
performance capabilities to suit a wide range of industrial applications. Both can
function as an Elapsed Timer or Preset Timer, while the PTC901 also offers
Real-Time Clock with Date capability. The Plug-in option cards allow the
opportunity to configure the meter for the present application, while providing
easy upgrades for future needs.
Both units can function as an Elapsed Time Indicator. By using two separate
signal inputs and 23 selectable timer ranges, the meters can be programmed to
meet most any timing application. With the addition of a Plug-in Setpoint card,
they can easily become a dual or quad output preset timer.
The PTC901 can also operate as a Real-Time Clock (RTC), with the Real-
Time Clock Card already installed. The meter is capable of displaying time in
12 or 24-hour time formats. The 12-hour format can be displayed in hours and
minutes, with or without an AM/PM indication or in hours, minutes, and
seconds. The 24-hour format can be displayed in hours and minutes or in hours,
minutes, and seconds. The PTC901 is also capable of a calendar display in
which the day, month and/or year can be displayed. The meter will recognize
leap years, and can automatically adjust for Daylight Savings Time. The Real-
Time Clock has the ability to externally synchronize with other PTC901 meters
to provide a uniform display network throughout the plant.
If the application calls for both a Preset Timer and a Real-Time Clock at the
same time, the PTC901 can handle this requirement as well. The meter provides
up to four different displays, accessed via front panel push buttons or external
inputs. The displays are Timer (TMR), which displays the current timer value;
Count (CNT), which displays the current cycle counter value; Date (DAT),
which displays the current programmed date; and Real-Time Clock, which
displays the current time. A battery-backed Real-Time Clock plug-in card is
provided with the PTC901. This card, which includes a lithium coin-cell battery,
will maintain the time and date when main power is removed.
SAFETY SUMMARY
All safety related regulations, local codes and instructions that appear in this
literature or on equipment must be observed to ensure personal safety and to
prevent damage to either the instrument or equipment connected to it. If
equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.
Do not use this unit to directly command motors, valves, or other actuators
not equipped with safeguards. To do so can be potentially harmful to persons or
equipment in the event of a fault to the unit.
The meters accept inputs from a variety of sources including switch contacts
and outputs from CMOS or TTL circuits. The input can be configured to trigger
on the edge or level of the incoming pulse. Internal jumpers are available to allow
the selection for sinking inputs (active low) or sourcing inputs (active high).
The front panel keys and three user inputs are programmable to perform
various meter functions. One of the functions includes exchanging parameter
lists, allowing for two separate listings of setpoint values, timer start/stop
values, counter start/stop values and RTC daily on and off values.
CAUTION: Risk of Danger.
Read complete instructions prior to
installation and operation of the unit.
CAUTION: Risk of electric shock.
Note: Recommended minimum clearance (behind the panel) for mounting
clip installation is 2.1" (53.4) H x 5" (127) W.
DIMENSIONS In inches (mm)
3
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TABLE OF CONTENTS
General Meter Specifications. . . . . . . . . . . . . 4
Optional Plug-In Cards and Accessories . . . . 5
Installing the Meter . . . . . . . . . . . . . . . . . . . . 6
Setting the Jumpers . . . . . . . . . . . . . . . . . . . 6
Installing Plug-In Cards. . . . . . . . . . . . . . . . . 7
Wiring the Meter . . . . . . . . . . . . . . . . . . . . . . 7
Reviewing the Front Buttons and Display . . 10
Programming the Meter. . . . . . . . . . . . . . . . 11
Factory Service Operations. . . . . . . . . . . . . 26
Programming Overview. . . . . . . . . . . . . . . . 29
GENERAL METER SPECIFICATIONS
1. DISPLAY: 6 digit, 0.56" (14.2 mm) red sunlight readable or standard green
11. USER INPUTS: Three programmable user inputs
LED
Logic inputs configurable as Current Sinking (active low) or Current
Sourcing (active high) through a single plug jumper.
Current Sinking (active low): VIL = 0.9 V max., 22KΩ pull-up to +12 VDC.
Current Sourcing (active high): VIH = 3.6 V min., 22KΩ pull-down, Max.
Continuous Input: 30 VDC.
Isolation To Timer Input Common: Not isolated
Response Time: 10 msec
12. MEMORY: Non-volatile E2PROM retains all programming parameters and
2. POWER:
AC Versions (PTC901, PTC900):
AC Power: 85 to 250 VAC, 50/60 Hz, 18 VA
Isolation: 2300 Vrms for 1 min. to all inputs and outputs. (300 V working)
DC Versions (PTC901-LV, PTC900-LV):
DC Power: 11 to 36 VDC, 14 W
(Derate operating temperature to 40°C if operating <15 VDC and three
Plug-in cards are installed)
display values.
AC Power: 24 VAC, ± 10%, 50/60 Hz, 15 VA
Isolation: 500 Vrms for 1 min. to all inputs and outputs (50 V working)
13. ENVIRONMENTAL CONDITIONS:
Operating Temperature Range: 0 to 50°C (0 to 45°C with all three plug-in
cards installed)
3. SENSOR POWER: 12 VDC, ±10%, 100 mA max. Short circuit protected.
Storage Temperature Range: -40 to 60°C
4. ANNUNCIATORS:
Operating and Storage Humidity: 0 to 85% max. RH non-condensing
Vibration According to IEC 68-2-6: Operational 5 to 150 Hz, in X, Y, Z
direction for 1.5 hours, 2 g’s.
Shock According to IEC 68-2-27: Operational 25 g (10g relay), 11 msec in 3
directions.
TMR - Timer Display
SP1 - Setpoint 1 Output
SP2 - Setpoint 2 Output
SP3 - Setpoint 3 Output
SP4 - Setpoint 4 Output
CNT - Cycle Counter Display
DAT - Real-Time Clock Date Display
- Real-Time Clock Time Display
Altitude: Up to 2000 meters
5. KEYPAD: 3 programmable function keys, 5 keys total.
14. CERTIFICATIONS AND COMPLIANCE:
SAFETY
6. TIMER DISPLAY:
Timer Range: 23 Selectable Ranges
Timing Accuracy: ± 0.01%
Minimum Digit Resolution: 0.001 Sec.
Maximum Least Significant Digit Resolution: 1 Hr.
Maximum Display: 999999
UL Recognized Component, File # E313607, UL61010A-1, CSA C22.2
No. 61010-1
Recognized to U.S. and Canadian requirements under the Component
Recognition Program of Underwriters Laboratories, Inc.
UL Listed, File # E313547, UL508, CSA C22.2 No. 14-M95
LISTED by Und. Lab. Inc. to U.S and Canadian safety standards
Type 4X Enclosure rating (Face only), UL50
IEC 61010-1, EN 61010-1: Safety requirements for electrical
equipment for measurement, control, and laboratory use, Part 1.
IP65 Enclosure rating (face only), IEC 529
7. CYCLE COUNTER DISPLAY:
Counter Range: 0 to 999999
Digit Resolution: 1 cycle
Maximum Count Rate: 50 Hz
8. REAL-TIME/DATE DISPLAY (PTC901):
Real-Time Display: 5 display formats
Hr/Min/Sec (12 or 24 Hr. format); Hr/Min (24 Hr.); Hr/Min (12 Hr. with
or without AM/PM indication)
Date Display: 7 display formats
Month/Day or Day/Month (numeric or 3-letter Month format);
Month/Day/Year or Day/Month/Year (all numeric);
Day of Week/Day (3-letter Day of Week format)
9. REAL-TIME CLOCK CARD: Field replaceable plug-in card
Time Accuracy: ± 5 secs./Month (1 min./year) with end-user calibration
Battery: Lithium 2025 coin cell
Battery Life Expectancy: 10 yrs. typical
Synchronization Interface: Two-wire multi-drop network (RS485 hardware),
32 units max., operates up to 4000 ft.
IP20 Enclosure rating (rear of unit), IEC 529
ELECTROMAGNETIC COMPATIBILITY
Immunity to EN 50082-2
Electrostatic discharge
Electromagnetic RF fields
EN 61000-4-2 Level 3; 8 Kv air
EN 61000-4-3 Level 3; 10 V/m
80 MHz - 1 GHz
EN 61000-4-4 Level 4; 2 Kv I/O
Level 3; 2 Kv power
Fast transients (burst)
RF conducted interference
EN 61000-4-6 Level 3; 10 V/rms
150 KHz - 80 MHz
Emissions to EN 50081-1
RF interference
EN 55022
Enclosure class B
Power mains class B
Isolation To Timer & User Input Commons: 500 Vrms for 1 min.
Working Voltage: 50 V. Not isolated from all other commons.
Note:
10. TIMER INPUTS A and B:
Refer to the EMC Installation Guidelines section for more information.
Logic inputs configurable as Current Sinking (active low) or Current
Sourcing (active high) via a single plug jumper.
Current Sinking (active low): VIL = 0.9 V max., 22KΩ pull-up to +12 VDC.
Current Sourcing (active high): VIH = 3.6 V min., 22KΩ pull-down, Max.
Continuous Input: 30 VDC.
Timer Input Pulse Width: 1 msec min.
Timer Start/Stop Response Time: 1 msec max.
Filter: Software filtering provided for switch contact debounce. Filter
enabled or disabled through programming.
If enabled, filter results in 50 msec start/stop response time for successive
pulses on the same input terminal.
15. CONNECTIONS: High compression, cage-clamp terminal block
Wire Strip Length: 0.3" (7.5 mm)
Wire Gage: 30-14 AWG copper wire
Torque: 4.5 inch-lbs (0.51 N-m) max.
16. CONSTRUCTION: This meter is rated for NEMA 4X/IP65 outoor use.
IP20 Touch safe. Installation Category II, Pollution Degree 2. One piece
bezel/case. Flame resistant. Synthetic rubber keypad. Panel gasket and
mounting clip included.
17. WEIGHT: 10.1 oz. (286 g)
4
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OPTIONAL PLUG-IN CARDS AND ACCESSORIES
WARNING: Disconnect all power to the unit before
SETPOINT CARDS (LDP6-CDS)
The PTC900/PTC/901 series has 4 available setpoint alarm output plug-in
installing Plug-in cards.
cards. Only one of these cards can be installed at a time. (Logic state of the
outputs can be reversed in the programming.) These plug-in cards include:
Adding Option Cards
LDP6-CDS10 - Dual Relay, FORM-C, Normally open & closed
LDP6-CDS20 - Quad Relay, FORM-A, Normally open only
LDP6-CDS30 - Isolated quad sinking NPN open collector
LDP6-CDS40 - Isolated quad sourcing PNP open collector
The PTC900/PTC/901 series meters can be fitted with up to three optional
plug-in cards. The details for each plug-in card can be reviewed in the
specification section below. Only one card from each function type can be
installed at one time. The function types include Setpoint Alarms (LDP6-CDS),
Communications (LDP6-CDC), and Real-Time Clock Card (LDP6-RTC). The
plug-in cards can be installed initially or at a later date.
DUAL RELAY CARD
Type: Two FORM-C relays
Isolation To Timer & User Input Commons: 2300 Vrms for 1 min.
Working Voltage: 240 Vrms
Contact Rating:
One Relay Energized: 5 amps @ 120/240 VAC or 28 VDC (resistive load),
1/8 HP @120 VAC, inductive load
Total current with both relays energized not to exceed 5 amps
Life Expectancy: 100 K cycles min. at full load rating. External RC snubber
extends relay life for operation with inductive loads
Response Time: 5 msec. nominal with 3 msec. nominal release
Timed Output Accuracy: ±0.01% -10 msec.
COMMUNICATION CARDS (LDP6-CDC)
A variety of communication protocols are available for the PTC900/PTC/901
series. Only one of these cards can be installed at a time. When programming
the unit via the Windows® based software program, the RS232 or RS485 Cards
must be used.
LDP6-CDC10 - RS485 Serial (Terminal) LDP6-CDC1C - RS485 (Connector)
LDP6-CDC20 - RS232 Serial (Terminal) LDP6-CDC2C - RS232 (Connector)
LDP6-CDC40 - Modbus (Terminal)
LDP6-CDC4C - Modbus (Connector)
QUAD RELAY CARD
Type: Four FORM-A relays
Isolation To Timer & User Input Commons: 2300 Vrms for 1 min.
Working Voltage: 250 Vrms
Contact Rating:
SERIAL COMMUNICATIONS CARD
Type: RS485 or RS232
Isolation To Sensor & User Input Commons: 500 Vrms for 1 min.
Working Voltage: 50 V. Not Isolated from all other commons.
Data: 7/8 bits
Baud: 300 to 19,200
Parity: No, Odd or Even
Bus Address: Selectable 0 to 99, Max. 32 meters per line (RS485)
Transmit Delay: Selectable for 2 to 50 msec or 50 to 100 msec (RS485)
One Relay Energized: 3 amps @ 250 VAC or 30 VDC (resistive load), 1/10
HP @ 120 VAC, inductive load
Total current with all four relays energized not to exceed 4 amps
Life Expectancy: 100K cycles min. at full load rating. External RC snubber
extends relay life for operation with inductive loads
Response Time: 5 msec. nominal with 3 msec. nominal release
Timed Output Accuracy: ±0.01% -10 msec.
MODBUS CARD
Type: RS485; RTU and ASCII MODBUS modes
Isolation To Sensor & User Input Commons: 500 Vrms for 1 minute.
Working Voltage: 50 V. Not isolated from all other commons.
Baud Rates: 300 to 38,400.
Data: 7/8 bits
Parity: No, Odd, or Even
QUAD SINKING OPEN COLLECTOR CARD
Type: Four isolated sinking NPN transistors.
Isolation To Timer & User Input Commons: 500 Vrms for 1 min.
Working Voltage: 50 V. Not Isolated from all other commons.
Rating: 100 mA max @ VSAT = 0.7 V max. VMAX = 30 V
Response Time: 400 µsec. nominal with 2 msec. nominal turnoff
Timed Output Accuracy: ±0.01% -10 msec.
Addresses: 1 to 247.
Transmit Delay: Programmable; See Transmit Delay explanation.
QUAD SOURCING OPEN COLLECTOR CARD
Type: Four isolated sourcing PNP transistors.
PROGRAMMING SOFTWARE
DP6-SOFT is a Windows® based program that allows configuration of the
PTC900/PTC/901 meters from a PC. This software offers standard drop-down
menu commands, that make it easy to program the meter. The PTC900/PTC/901
program can then be saved in a PC file for future use. A serial plug-in card is
required to program the meter using the software.
Isolation To Timer & User Input Commons: 500 Vrms for 1 min.
Working Voltage: 50 V. Not Isolated from all other commons.
Rating: Internal supply: 24 VDC ± 10% , 30 mA max. total
External supply: 30 VDC max., 100 mA max. each output
Response Time: 400 µsec. nominal with 2 msec. nominal turnoff
Timed Output Accuracy: ±0.01% -10 msec.
5
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1.0 INSTALLING THE METER
Installation
The meter meets NEMA 4X/IP65 requirements for indoor use when properly
installed. The meter is intended to be mounted into an enclosed panel. Prepare
the panel cutout to the dimensions shown. Remove the panel latch from the
meter. Slide the panel gasket over the
While holding the meter in place, push the panel latch over the rear of the
meter so that the tabs of the panel latch engage in the slots on the case. The
panel latch should be engaged in the farthest forward slot possible. To achieve
a proper seal, tighten the latch screws evenly until the meter is snug in the panel
(Torque to approximately 7 in-lbs [79N-cm]). Do not over-tighten the screws.
rear of the meter to the back of the
bezel. The meter should be
installed fully assembled.
Insert the meter into the
Installation Environment
The meter should be installed in a location that does not exceed the operating
temperature and provides good air circulation. Placing the meter near devices
that generate excessive heat should be avoided.
panel cutout.
The bezel should only be cleaned with a soft cloth and neutral soap product.
Do NOT use solvents. Continuous exposure to direct sunlight may accelerate
the aging process of the bezel.
Do not use tools of any kind (screwdrivers, pens, pencils, etc.) to operate the
keypad of the meter.
PANEL CUT-OUT
2.0 SETTING THE JUMPERS
To access the jumpers, remove the meter base from the meter case by firmly
squeezing and pulling back on the side rear finger tabs. This should lower the
latch below the case slot (which is located just in front of the finger tabs). It is
recommended to release the latch on one side, then start the other side latch.
Timer Input Logic Jumper
One jumper is used for the logic state of both timer inputs. Select the proper
position to match the input being used.
User Input Logic Jumper
One jumper is used for the logic state of all user inputs. If the user inputs are
not used, it is not necessary to check or move this jumper.
Warning: Exposed line voltage exists on the circuit boards. Remove
all power to the meter and load circuits before accessing inside of
the meter.
Main
Circuit
Board
JUMPER SELECTIONS
The
indicates factory setting.
SRC
SNK
USER
INPUT
TIMER
INPUT
JUMPER
JUMPER
SRC
SNK
6
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3.0 INSTALLING PLUG-IN CARDS
The Plug-in cards are separately purchased optional cards that perform
specific functions. These cards plug into the main circuit board of the meter. The
Plug-in cards have many unique functions when used with the meters.
To Install:
1. With the case open, locate the Plug-in card connector for the card type to be
installed. The types are keyed by position with different main circuit board
connector locations. When installing the card, hold the meter by the rear
terminals and not by the front display board.*
CAUTION: The Plug-in card and main circuit board contain static
sensitive components. Before handling the cards, discharge static
charges from your body by touching a grounded bare metal
object. Ideally, handle the cards at a static controlled clean
workstation. Also, only handle the cards by the edges. Dirt, oil or
other contaminants that may contact the cards can adversely
affect circuit operation.
2. Install the Plug-in card by aligning the card terminals with the slot bay in the
rear cover. Be sure the connector is fully engaged and the tab on the Plug-in
card rests in the alignment slot on the display board.
3. Slide the meter base back into the case. Be sure the rear cover latches fully
into the case.
4. Apply the Plug-in card label to the bottom side of the meter. Do Not Cover
the vents on the top surface of the meter. The surface of the case must be
clean for the label to adhere properly. Apply the label to the area designated
by the large case label.
TOP VIEW
Quad Sourcing Open Collector Output Card Supply Select
* If installing the Quad sourcing Plug-in Card (LDP6-CDS40), set the jumper
for internal or external supply operation before continuing.
4.0 WIRING THE METER
b. Connect the shield to earth ground at both ends of the cable, usually when
the noise source frequency is above 1 MHz.
c. Connect the shield to common of the meter and leave the other end of the
shield unconnected and insulated from earth ground.
WIRING OVERVIEW
Electrical connections are made via screw-clamp terminals located on the
back of the meter. All conductors should conform to the meter’s voltage and
current ratings. All cabling should conform to appropriate standards of good
installation, local codes and regulations. It is recommended that the power
supplied to the meter (DC or AC) be protected by a fuse or circuit breaker.
When wiring the meter, compare the numbers embossed on the back of the
meter case against those shown in wiring drawings for proper wire position.
Strip the wire, leaving approximately 0.3" (7.5 mm) bare lead exposed (stranded
wires should be tinned with solder.) Insert the lead under the correct screw-
clamp terminal and tighten until the wire is secure. (Pull wire to verify
tightness.) Each terminal can accept up to one #14 AWG (2.55 mm) wire, two
#18 AWG (1.02 mm), or four #20 AWG (0.61 mm).
3. Never run Signal or Control cables in the same conduit or raceway with AC
power lines, conductors feeding motors, solenoids, SCR controls, and
heaters, etc. The cables should be ran in metal conduit that is properly
grounded. This is especially useful in applications where cable runs are long
and portable two-way radios are used in close proximity or if the installation
is near a commercial radio transmitter.
4. Signal or Control cables within an enclosure should be routed as far as possible
from contactors, control relays, transformers, and other noisy components.
5. In extremely high EMI environments, the use of external EMI suppression
devices, such as ferrite suppression cores, is effective. Install them on Signal
and Control cables as close to the unit as possible. Loop the cable through the
core several times or use multiple cores on each cable for additional protection.
Install line filters on the power input cable to the unit to suppress power line
interference. Install them near the power entry point of the enclosure. The
following EMI suppression devices (or equivalent) are recommended:
Ferrite Suppression Cores for signal and control cables:
Fair-Rite # 0443167251
EMC INSTALLATION GUIDELINES
Although this meter is designed with a high degree of immunity to Electro-
Magnetic Interference (EMI), proper installation and wiring methods must be
followed to ensure compatibility in each application. The type of the electrical
noise, source or coupling method into the meter may be different for various
installations. The meter becomes more immune to EMI with fewer I/O
connections. Cable length, routing, and shield termination are very important
and can mean the difference between a successful or troublesome installation.
Listed below are some EMC guidelines for successful installation in an
industrial environment.
TDK # ZCAT3035-1330A
Steward # 28B2029-0A0
Line Filters for input power cables:
Schaffner # FN610-1/07
1. The meter should be mounted in a metal enclosure, which is properly
connected to protective earth.
Schaffner # FN670-1.8/07
Corcom # 1 VR3
2. Use shielded (screened) cables for all Signal and Control inputs. The shield
(screen) pigtail connection should be made as short as possible. The
connection point for the shield depends somewhat upon the application.
Listed below are the recommended methods of connecting the shield, in order
of their effectiveness.
Note: Reference manufacturer’s instructions when installing a line filter.
6. Long cable runs are more susceptible to EMI pickup than short cable runs.
Therefore, keep cable runs as short as possible.
7. Switching of inductive loads produces high EMI. Use of snubbers across
inductive loads suppresses EMI.
a. Connect the shield only at the panel where the unit is mounted to earth
ground (protective earth).
7
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4.1 POWER WIRING
AC Power
DC Power
Terminal 1: VAC
Terminal 1: +VDC
Terminal 2: VAC
Terminal 2: -VDC
4.2 TIMER INPUT WIRING
Before connecting the wires, the Timer Input logic jumper should be verified for proper position.
Two Wire Proximity, Current Source
Current Sinking Output
Current Sourcing Output
Switch or Isolated Transistor; Current Source
Switch or Isolated Transistor; Current Sink
Emitter Follower; Current Source
Interfacing With TTL
CAUTION: Timer Input common is NOT isolated from User Input common. In order to preserve the safety of the meter application, the timer input
common must be suitably isolated from hazardous live earth referenced voltage; or input common must be at protective earth ground potential. If not,
hazardous voltage may be present at the User Inputs and User Input Common terminals. Appropriate considerations must then be given to the potential
of the User Input Common with respect to earth ground; and the common of the isolated plug-in cards with respect to input common.
4.3 USER INPUT WIRING
Before connecting the wires, the Timer Input logic jumper should be verified for proper position. When the user input is configured for cycle
count, in module 4, the count input should be wired between terminals 7 & 10.
Sinking Logic
Sourcing Logic
Terminals 7-9
Terminals 7-9:
Connect external switching device between the
}
+ VDC through external switching device
appropriate User Input terminal and User Comm.
Terminal 10
Terminal 10:
-VDC through external switching device
The user inputs of the meter are internally
pulled up to +12 V with 22 KΩ resistance.
The input is active when it is pulled low
(<0 .9 V).
The user inputs of the meter are internally
pulled down to 0 V with 22 KΩ resistance.
The input is active when a voltage greater
than 3.6 VDC is applied.
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4.4 SETPOINT (ALARMS) WIRING
SOURCING OUTPUT LOGIC CARD
SETPOINT PLUG-IN CARD TERMINALS
SINKING OUTPUT LOGIC CARD
4.5 SERIAL COMMUNICATION WIRING
RS232 Communications
RS485 Communications
The RS485 communication standard allows the connection of up to 32
devices on a single pair of wires, distances up to 4,000 ft. and data rates as high
as 10M baud. The same pair of wires is used to both transmit and receive data.
RS485 is therefore always half-duplex, that is, data cannot be received and
transmitted simultaneously.
Terminal Block Connection Figure
Extended Comms Connection Figure
Terminal Block Connection Figure
RS232 is intended to allow two devices to communicate over distances up to
50 feet. Data Terminal Equipment (DTE) transmits data on the Transmitted Data
(TXD) line and receives data on the Received Data (RXD) line. Data Computer
Equipment (DCE) receives data on the TXD line and transmits data on the RXD
line. The meter emulates a DTE. If the other device connected to the meter also
emulates a DTE, the TXD and RXD lines must be interchanged for
communications to take place. This is known as a null modem connection. Most
printers emulate a DCE device while most computers emulate a DTE device.
Some devices cannot accept more than two or three characters in succession
without a pause in between. In these cases, the meter employs a busy function.
As the meter begins to transmit data, the RXD line (RS232) is monitored to
determine if the receiving device is “busy”. The receiving device asserts that it
is busy by setting the RXD line to a space condition (logic 0). The meter then
suspends transmission until the RXD line is released by the receiving device.
Extended Comms Connection Figure
9
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4.6 REAL-TIME CLOCK WIRING (PTC901)
Time synchronization between multiple
PTC901 meters can be accomplished through a
hardware interface on the Real-Time Clock option
card. This RS485 type interface allows connection
of up to 32 PTC901 meters in a two-wire
multidrop network, at distances up to 4000 ft.
In a synchronization network, one PTC901
meter is programmed as the Host, while all other
meters are programmed as Slaves. Once every
hour, the Host meter outputs
a
time
synchronization pulse onto the network. Upon
receiving the synchronization pulse, each Slave
meter automatically adjusts the minutes and
seconds of its RTC Time setting to synchronize
with the Host.
Real-Time Clock Synchronization Figure
5.0 REVIEWING THE FRONT BUTTONS AND DISPLAY
KEY
DSP
PAR
F1ꢁ
DISPLAY MODE OPERATION
PROGRAMMING MODE OPERATION
Exit programming and return to Display Mode
Store selected parameter and index to next parameter
Increment selected parameter value or selections
Decrement selected parameter value or selections
Selects digit location in parameter values
Index display through Timer, Cycle Counter, Date, and Time
Access Programming Mode
Function key 1; hold for 3 seconds for Second Function 1 **
Function key 2; hold for 3 seconds for Second Function 2 **
Reset (Function key) ***
ꢀ
F2
RST
* Cycle counter and Real-Time Clock displays are locked out in Factory Settings.
** Factory setting for the F1 and F2 keys is NO mode.
*** Factory setting for the RST key is ꢀꢁꢂꢃꢄꢅ (Reset Display)
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6.0 PROGRAMMING THE METER
OVERVIEW
PROGRAMMING MENU
DISPLAY MODE
module in sequence. Note that Modules 5 through 8 are only accessible when
The meter normally operates in the Display Mode. In this mode, the meter
displays can be viewed consecutively by pressing the DSP key. The
annunciators to the left of the display indicate which display is currently shown;
Timer (TMR), Cycle Counter (CNT), or Date (DAT). The Time Display for the
Real-Time Clock is shown with no annunciator. Any of these displays can be
locked from view through programming. (See Module 3.)
the appropriate plug-in option card is installed. If lost or confused while
programming, press the DSP key to exit programming mode and start over.
When programming is complete, it is recommended to record the meter settings
on the Parameter Value Chart and lock-out parameter programming with a User
Input or lock-out code. (See Modules 2 and 3 for lock-out details.)
PROGRAMMING MODE
FACTORY SETTINGS
Two programming modes are available.
Factory Settings may be completely restored in Module 9. This is a good
starting point if encountering programming problems. Throughout the module
description sections which follow, the factory setting for each parameter is
shown below the parameter display. In addition, all factory settings are listed on
the Parameter Value Chart following the programming section.
Full Programming Mode permits all parameters to be viewed and modified.
Upon entering this mode, the front panel keys change to Programming Mode
operations. This mode should not be entered while a process is running, since
the meter timing functions and User Input response may not operate properly
while in Full Programming Mode.
Quick Programming Mode permits only certain parameters to be viewed and/or
modified. When entering this mode, the front panel keys change to
Programming Mode operations, and all meter functions continue to operate
properly. Quick Programming Mode is configured in Module 3. The Display
Intensity Level “ꢀꢄꢊꢅꢋ” parameter is only available in the Quick Programming
Mode when the security code is non-zero. For a description, see Module 9—
Factory Service Operations. Throughout this document, Programming Mode
(without Quick in front) always refers to “Full” Programming Mode.
ALTERNATING SELECTION DISPLAY
In the module description sections which follow, the dual display with arrows
appears for each programming parameter. This is used to illustrate the display
alternating between the parameter (top display) and the parameter’s Factory
Setting (bottom display). In most cases, selections or value ranges for the
parameter will be listed on the right.
Indicates Program Mode Alternating Display
Parameter ꢌꢈꢍ ꢉꢍ«
PROGRAMMING TIPS
The Programming Menu is organized into nine modules. (See above.) These
modules group together parameters that are related in function. It is
recommended to begin programming with Module 1 and proceed through each
ꢊꢅꢋꢅꢊ Selection/Value
ª
Factory Settings are shown.
STEP BY STEP PROGRAMMING INSTRUCTIONS:
PROGRAMMING MODE ENTRY (PAR KEY)
NUMERICAL VALUE ENTRY (ARROW, RST & PAR KEYS)
For parameters which require a numerical value entry, the arrow keys can be
used to increment or decrement the display to the desired value. When an arrow
key is pressed and held, the display automatically scrolls up or scrolls down.
The longer the key is held, the faster the display scrolls.
The Programming Mode is entered by pressing the PAR key. If this mode is
not accessible, then meter programming is locked by either a security code or a
hardware lock. (See Modules 2 and 3 for programming lock-out details.)
In addition, the RST key can be used in combination with the arrow keys to
enter numerical values. The RST key is pressed to select a specific digit to be
changed, which blinks when selected. Once a digit is selected, the arrow keys
are used to increment or decrement that digit to the desired number. The RST
key is then pressed again to select the next digit to be changed. This “select and
set” sequence is repeated until each digit is displaying the proper number.
Pressing the PAR key stores and activates the displayed value, and also
advances the meter to the next parameter.
MODULE ENTRY (ARROW & PAR KEYS)
Upon entering the Programming Mode, the display alternates between ꢆꢁꢇ
and the present module (initially ꢈꢉ). The arrow keys (F1S and F2T) are used
to select the desired module, which is then entered by pressing the PAR key.
PARAMETER (MODULE) MENU (PAR KEY)
Each module has a separate parameter menu. These menus are shown at the
start of each module description section which follows. The PAR key is pressed
to advance to a particular parameter to be changed, without changing the
programming of preceding parameters. After completing a module, the display
will return to ꢆꢁꢇ ꢈꢉ. From this point, programming may continue by selecting
and entering additional modules. (See MODULE ENTRY above.)
PROGRAMMING MODE EXIT (DSP KEY or PAR KEY at ꢆꢁꢇ ꢈꢉ)
The Programming Mode is exited by pressing the DSP key (from anywhere
in the Programming Mode) or the PAR key (with ꢆꢁꢇ ꢈꢉ displayed). This will
commit any stored parameter changes to memory and return the meter to the
Display Mode. If a parameter was just changed, the PAR key should be pressed
to store the change before pressing the DSP key. (If power loss occurs before
returning to the Display Mode, verify recent parameter changes.)
PARAMETER SELECTION ENTRY (ARROW & PAR KEYS)
For each parameter, the display alternates between the parameter and the
present selection or value for that parameter. For parameters which have a list of
selections, the arrow keys (F1S and F2T) are used to sequence through the list
until the desired selection is displayed. Pressing the PAR key stores and activates
the displayed selection, and also advances the meter to the next parameter.
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6.1 MODULE 1 - TIMER INPUT PARAMETERS (ꢏꢄꢌꢈꢆ)
PARAMETER MENU
Module 1 is the programming module for the Timer Input Parameters. In the
ꢅꢀꢔꢅꢄꢑ, ꢅꢀꢁꢖꢄꢑ *
Edge Triggered Operation - 2 Input
ꢐꢇꢊꢀꢄꢑ, ꢐꢁꢖꢃꢄꢑ *
Display Mode, the TMR annunciator indicates the Timer display is currently
being shown. An EXCHANGE PARAMETER LISTS feature, which includes
the Timer Start and Timer Stop Values, is explained in Module 2.
Edge Triggered Operation - 2 Input,
with Display Hold
Time
Start
Time
Start
Display
Update
Time Start,
Display Update
Time Start,
Display Update
INPUT A
TIMER RANGE
INPUT A
INPUT B
Time
Stop
Time
Stop
23 TIMER RANGE SELECTIONS
Time Stop,
Display Update
ꢁꢓꢈꢔꢅ«
ª ꢒꢒꢒꢒꢒꢒ
(ꢂ = SEC; ꢈ = MIN; ꢐ = HR; ꢀ = DAY)ꢕ
INPUT B
RANGE
SELECTION
MAXIMUM
DISPLAY RESOLUTION
DISPLAY
RANGE
MAXIMUM
DISPLAY
* - Timer is reset at Time Start edge.
SELECTION DISPLAY RESOLUTION
MINUTES/SECONDS
SECONDS
1 SEC
0.1 SEC
1 SEC
0.1 SEC
ꢈꢈꢈꢈꢗꢂꢂ ꢘꢘꢘꢘꢗꢒꢘ
ꢈꢈꢈꢗꢂꢂꢗꢂ ꢘꢘꢘꢗꢒꢘꢗꢘ
ꢈꢈꢗꢂꢂꢗꢂꢂ ꢘꢘꢗꢒꢘꢗꢘꢘ
ꢈꢗꢂꢂꢗꢂꢂꢂ ꢘꢗꢒꢘꢗꢘꢘꢘ
ꢒꢒꢒꢒꢒꢒ ꢘꢘꢘꢘꢘꢘ
ꢒꢒꢒꢒꢒꢗꢒ ꢘꢘꢘꢘꢘꢗꢘ
ꢒꢒꢒꢒꢗꢒꢒ ꢘꢘꢘꢘꢗꢘꢘ
ꢒꢒꢒꢗꢒꢒꢒ ꢘꢘꢘꢗꢘꢘꢘ
0.01 SEC
0.001 SEC
0.01 SEC
0.001 SEC
TIMER INPUT FILTERING
ꢜꢌꢊꢃꢅꢁ«
ª
HOURS/MINUTES
MINUTES
ꢉꢈ
ꢉꢚꢚ
1 MIN
0.1 MIN
1 MIN
0.1 MIN
ꢐꢐꢐꢐꢗꢈꢈ ꢘꢘꢘꢘꢗꢒꢘ
ꢐꢐꢐꢗꢈꢈꢗꢈ ꢘꢘꢘꢗꢒꢘꢗꢘ
ꢐꢐꢗꢈꢈꢗꢈꢈ ꢘꢘꢗꢒꢘꢗꢘꢘ
ꢐꢗꢈꢈꢗꢈꢈꢈ ꢘꢗꢒꢘꢗꢘꢘꢘ
ꢈꢈꢈꢈꢈꢈ ꢘꢘꢘꢘꢘꢘ
ꢈꢈꢈꢈꢈꢗꢈ ꢘꢘꢘꢘꢘꢗꢘ
ꢈꢈꢈꢈꢗꢈꢈ ꢘꢘꢘꢘꢗꢘꢘ
ꢈꢈꢈꢗꢈꢈꢈ ꢘꢘꢘꢗꢘꢘꢘ
ꢉꢈ
Provides a 50 msec debounce for the Timer Inputs (A and B). Select ꢉꢈwhen
0.01 MIN
0.001 MIN
0.01 MIN
0.001 MIN
using relays or switch contacts as a signal source.
HOURS/MINUTES/SECONDS
ꢐꢐꢗꢈꢈꢗꢂꢂ ꢘꢘꢗꢒꢘꢗꢒꢘ
ꢐꢗꢈꢈꢗꢂꢂꢗꢂ ꢘꢗꢂꢘꢗꢂꢘꢗꢘ
HOURS
1 SEC
1 HR
0.1 HR
ꢐꢐꢐꢐꢐꢐ ꢘꢘꢘꢘꢘꢘ
ꢐꢐꢐꢐꢐꢗꢐ ꢘꢘꢘꢘꢘꢗꢘ
ꢐꢐꢐꢐꢗꢐꢐ ꢘꢘꢘꢘꢗꢘꢘ
ꢐꢐꢐꢗꢐꢐꢐ ꢘꢘꢘꢗꢘꢘꢘ
0.1 SEC
TIMING DIRECTION
0.01 HR
0.001 HR
DAYS/HOURS/MINUTES
ꢀꢀꢗꢐꢐꢗꢈꢈ ꢘꢘꢗꢑꢙꢗꢒꢘ
1 MIN
ꢃ ꢀꢞꢁ«
ꢝꢆ
ꢝꢆ
ꢀꢈ
ª
TIMER INPUT OPERATION
Timing direction can be reversed through a User Input. (See Module 2.)
ꢊꢅꢋꢅꢊ ꢅꢀꢎꢅꢄꢏ ꢅꢀꢎꢅꢄꢑ ꢐꢇꢊꢀꢄꢑ
ꢊꢅꢋꢁꢖꢃ ꢅꢀꢁꢖꢄꢏ ꢅꢀꢁꢖꢄꢑ ꢐꢁꢂꢃꢄꢑ
ꢌꢈꢆ ꢉꢆ«
ª
ꢊꢅꢋꢅꢊ
TIMER START VALUE
This parameter determines how the Timer Input Signals affect the
“Run/Stop” status of the Timer. The timing diagrams below reflect a Sinking
input setup (active low). A Sourcing input setup (active high) is available
through plug jumper selection (see Section 2.0). In this case, the logic levels of
the timing diagrams would be inverted.
The Timer can also be stopped using a Timer Stop Value or a Setpoint. This
type of Stop condition is cleared when a Timer Reset occurs, or another start
edge is applied.
ꢃ ꢂꢃꢁꢃ«
ª ꢛꢛꢛꢛꢛꢛ
ꢛꢛꢛꢛꢛꢛ to ꢘꢘꢘꢘꢘꢘ
The Timer returns to this value whenever a Timer Reset occurs. The value is
entered in the same display format as the Timer Range selected. Non-zero
values are normally used for “timing down” applications, but they can also
provide an “offset” value when timing up.
For ꢊꢅꢋꢅꢊ and ꢅꢀꢎꢅꢄꢏ operation, Input B provides a level active Timer
Inhibit function. This function is also available through a User Input (see
Module 2). Timing diagrams are shown below for “ꢊꢅꢋꢅꢊ” through “ꢐꢇꢊꢀꢄꢑ”
modes. The “ꢊꢅꢋꢁꢂꢃ” through “ꢐꢁꢂꢃꢄꢑ” modes are identical except the
timer display value is also reset at “Time Start” edges. In the “ꢐꢇꢊꢀꢄꢑ” and
“ꢐꢁꢂꢃꢄꢑ” modes, the timer display value remains held and only updates when
a Timer Start (Input A) or Timer Stop (Input B) edge occurs.
TIMER STOP VALUE
ꢃ ꢂꢃꢉꢆ«
ꢈꢉ
ꢟꢅꢂ
ª
ꢠꢈꢉ
The Timer stops when this value is reached, regardless of the signal levels on
the Timer Inputs. Selecting ꢟꢅꢂwill display the ꢋꢓꢊꢝꢅsub-menu where the Stop
Value can be set or changed. The Stop Value is entered in the same display
format as the Timer Range selected. This Stop condition is cleared when a
Timer Reset occurs. Select ꢈꢉ if a Stop Value is not being used.
ꢊꢅꢋꢅꢊ, ꢊꢅꢋꢁꢖꢃ *
ꢅꢀꢔꢅꢄꢏ, ꢅꢀꢁꢖꢄꢏ *
Edge Triggered Operation -1 Input
Level Active (Gated) Operation
Time
Start
Time Time
Stop Start
Time
Stop
Time
Stop
Time
Stop
Time
Start
Time
Start
ꢋꢓꢊꢝꢅ
«
ꢛꢛꢛꢛꢛꢛ
INPUT A
INPUT A
ꢛꢛꢛꢛꢛꢛ to ꢘꢘꢘꢘꢘꢘ
ª
INPUT B - Timer Inhibit (Level Active)
INPUT B - Timer Inhibit (Level Active)
* - Timer is reset at Time Start edge.
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FLASH TIMER ANNUNCIATOR
TIMER RESET AT POWER-UP
ꢃ ꢍꢄꢝꢍ«
ª
ꢜꢊꢤꢖꢐ«
ꢈꢉ
ꢈꢉ ꢃꢄꢁꢝꢈ ꢃꢄꢂꢃꢉꢆ
ꢈꢉ
ꢟꢅꢂ
ª
ꢈꢉ
The Timer can be programmed to Reset at each meter power-up.
This parameter allows the Timer annunciator (TMR) to flash when the Timer
is running or stopped/inhibited. Select ꢈꢉif a flashing indicator is not desired.
TIMER INPUT STATE AT POWER-UP
ꢌꢥꢆꢄꢝꢆ«
ª
ꢂꢃꢉꢆ
ꢂꢓꢋꢅ
ꢖꢃꢉꢆ
Determines the “Run/Stop” State of the Timer at Power-up. This parameter
does not apply to ꢊꢅꢋꢅꢊ timer input operation.
ꢂꢃꢉꢆ - Timer Stopped at power-up, regardless of prior run/stop state
ꢂꢓꢋꢅ - Timer assumes the same run/stop state it was in prior to power-down
6.2 MODULE 2 - USER INPUT AND FRONT PANEL FUNCTION KEY
PARAMETERS (ꢑꢄꢚꢈꢡ)
PARAMETER MENU
Module 2 is the programming module for the rear terminal User Inputs and
front panel Function Keys.
PROGRAMMING MODE LOCK-OUT
ꢝꢂꢅꢁꢄꢏ«
ꢆꢊꢉꢡ
Three rear terminal User Inputs are individually programmable to perform
specific meter control functions. While in the Display Mode, the function is
ª
executed when the User Input transitions to the active state. Refer to the User
Input specifications for active state response times. Certain User Input functions
are disabled in “Full” Programming Mode. User Inputs should be programmed
while in the inactive state.
Three front panel Function Keys, F1, F2 and RST, are also individually
programmable to perform specific meter control functions. While in the Display
Mode, the primary function is executed when the key is pressed. Holding the
F1 or F2 Function Keys for three seconds executes a secondary function. It is
possible to program a secondary function without a primary function. The front
panel key functions are disabled in both Programming Modes.
Programming Mode is locked-out, as long as activated (maintained action).
In Module 3, certain parameters can be setup where they are still accessible
during Programming Mode Lock-out. A security code can be configured to
allow complete programming access during User Input lock-out. This parameter
does not apply to the function keys. Program only one user input for this function.
EXCHANGE PARAMETER LISTS
In most cases, if more than one User Input and/or Function Key is
programmed for the same function, the maintained (level active) functions will
be performed while at least one of those User Inputs or Function Keys are
activated. The momentary (edge triggered) functions are performed every time
any of those User Inputs or Function Keys transition to the active state.
Some functions have a sublist of parameters, which appears when PAR is
pressed at the listed function. A sublist provides yes/no selection for Display
Values or Setpoints which pertain to the programmed function. The function
will only be performed on the parameters entered as Z&4 in the sublist. If a User
Input or Function Key is configured for a function with a sublist, then that
sublist will need to be scrolled through each time, in order to access any
parameters for the User Inputs or Function Keys which follow.
ꢝꢂꢅꢁꢄꢏ«
ꢊꢌꢂꢃ
ꢚꢏ«
ꢊꢌꢂꢃ
ª
ª
Two lists of parameter entries are available for the Timer/Counter Start and
Stop Values; Setpoint On/Off and Time-Out Values; and Setpoint Daily On/Off
Occurrence (for Real-Time Clock option). The two lists are named ꢊꢌꢂꢃꢄꢓ and
ꢊꢌꢂꢃꢄꢢ. If a User Input is used to select the list, then ꢊꢌꢂꢃꢄꢓ is selected when
the User Input is in the inactive state and ꢊꢌꢂꢃꢄꢢ is selected when the User
Input is in the active state (maintained action). If a front panel Function Key is
used to select the list, then the list will toggle for each key press (momentary
action). The display will only indicate which list is active when the list is
changed or when entering any Programming Mode.
To program the values for ꢊꢌꢂꢃꢄꢓ and ꢊꢌꢂꢃꢄꢢ, first complete the
programming of all the parameters. Exit programming and switch to the other
list. Re-enter programming and enter the Timer/Counter Start and Stop Values
(ꢃ ꢂꢃꢁꢃ, ꢃ ꢂꢃꢉꢆ, ꢡ ꢂꢃꢁꢃ, ꢡ ꢂꢃꢉꢆ), and if applicable, the Setpoint On/Off and
Time-Out Values (ꢂꢆꢄꢏ, ꢂꢆꢄꢑ, ꢂꢆꢄꢙ, ꢂꢆꢄꢣ, ꢂꢆꢉꢚꢄꢏ, ꢂꢆꢉꢚꢄꢑ, ꢂꢆꢉꢚꢄꢙ, ꢂꢆꢉꢚꢄꢣ,
ꢃꢉꢝꢃꢄꢏ, ꢃꢉꢝꢃꢄꢑ, ꢃꢉꢝꢃꢄꢙ, ꢃꢉꢝꢃꢄꢣ), and the Setpoint Daily On/Off Occurrence
(ꢀ ꢉꢈꢄꢏ, ꢀ ꢉꢈꢄꢑ, ꢀ ꢉꢈꢄꢙ, ꢀ ꢉꢈꢄꢣ, ꢀꢉꢚꢚꢄꢏ, ꢀꢉꢚꢚꢄꢑ, ꢀꢉꢚꢚꢄꢙ, ꢀꢉꢚꢚꢄꢣ). If any
other parameters are changed, the other list values must be reprogrammed.
Program only one user input for this function.
NO FUNCTION
ꢚꢏ«
ꢈꢉ
ꢝꢂꢅꢁꢄꢏ«
ª
ª
ꢈꢉ
With this selection, NO function is performed. This is the factory setting for
all user inputs and function keys except the Reset (RST) Key.
Note: When downloading a software program containing List A/B, make sure
that both the software and meter have the same list active. The active list in
a software program is the one being displayed in Input Setup and/or Setpoint
Alarms category.
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DISPLAY SELECT (Level Active)
DISPLAY HOLD (Level Active)
ꢝꢂꢅꢁꢄꢏ«
ª ꢀꢂꢅꢊꢄꢊ
ꢝꢂꢅꢁꢄꢏ«
ª ꢀꢄꢐꢉꢊꢀ
ꢚꢏ«
ª ꢀꢄꢐꢉꢊꢀ
When active (maintained action), the meter continuously scrolls through all
displays that are not “locked-out” in the Display mode. (See Module 3 for
Display Lock-out details.) A sub-menu provides Scrolling Speed selection.
When active (maintained action), the meter “freezes” the display values
entered as ꢟꢅꢂin the sublist, while normal meter operation continues internally.
Program only one user input for this function.
ꢂꢆꢅꢅꢀ
«
ꢑꢗꢒ ꢂꢅꢡ
DISPLAY
DESCRIPTION
FACTORY
ꢑꢗꢒ ꢂꢅꢡ ꢒ ꢂꢅꢡ
Timer
t-dsp
NO
NO
NO
NO
ª
Cycle Counter
RTC Date
RTC Time
C-dsp
rtC-d
rtC-t
DISPLAY SELECT (Edge Triggered)
ꢝꢂꢅꢁꢄꢏ«
ª ꢀꢂꢅꢊꢄꢅ
When activated (momentary action), the meter advances to the next display
that is not “locked-out” in the Display mode. (See Module 3 for Display Lock-
out details.)
DISPLAY HOLD and RESET (Level Active Reset)
ꢝꢂꢅꢁꢄꢏ«
ª ꢐꢁꢂꢃꢄꢊ
ꢚꢏ«
ª ꢐꢁꢂꢃꢄꢊ
When activated, the meter “freezes” the display values entered as ꢟꢅꢂ in the
sublist, before performing an internal Maintained Reset on the selected
displays. This function does not apply to the RTC Time or Date displays.
DISPLAY
DESCRIPTION
FACTORY
DISPLAY RESET (Level Active)
Timer
t-dSp
C-dSP
NO
NO
ꢝꢂꢅꢁꢄꢏ«
ª ꢀꢁꢂꢃꢄꢊ
ꢚꢏ«
ª ꢀꢁꢂꢃꢄꢊ
Cycle Counter
When active (maintained action), the meter continually resets only the
currently shown display. If the RTC Time or Date is displayed, this function
applies to the Outputs assigned to the RTC, and does not Reset the actual RTC
Time or Date display. (See Module 6 for details on Output Assignment and
Output Reset with Display Reset.)
DISPLAY HOLD and RESET (Edge Triggered Reset)
ꢝꢂꢅꢁꢄꢏ«
ª ꢐꢁꢂꢃꢄꢅ
ꢚꢏ«
ª ꢐꢁꢂꢃꢄꢅ
When activated, the meter “freezes” the display values entered as ꢟꢅꢂ in the
sublist, before performing an internal Momentary Reset on the selected
displays. This function does not apply to the RTC Time or Date displays.
Program only one user input for this function.
DISPLAY RESET (Edge Triggered)
ꢝꢂꢅꢁꢄꢏ«
ª ꢀꢁꢖꢃꢄꢅ
ꢚꢏ«
ª ꢀꢁꢖꢃꢄꢅ
DISPLAY
DESCRIPTION
FACTORY
Timer
t-dSp
C-dSP
NO
NO
When activated (momentary action), the meter resets only the currently
shown display. This is the factory setting for the Reset (RST) key. If the RTC
Time or Date is displayed, this function applies to the Outputs assigned to the
RTC, and does not Reset the actual RTC Time or Date display. (See Module 6
for details on Output Assignment and Output Reset with Display Reset.)
Cycle Counter
INHIBIT (Level Active)
ꢝꢂꢅꢁꢄꢏ«
ª ꢌꢈꢐꢌꢢꢃ
ꢚꢏ«
ª ꢌꢈꢐꢌꢢꢃ
MAINTAINED RESET (Level Active)
When active (maintained action), timing and counting ceases for the displays
entered as ꢟꢅꢂ in the sublist. The inhibit function is not a ꢃ ꢖꢃꢁꢃ or ꢃ ꢖꢃꢉꢍ
event in Setpoint programming. This function does not apply to RTC Time or
Date displays. Program only one user input for this function.
ꢝꢂꢅꢁꢄꢏ«
ꢁꢖꢃꢄꢊ
ꢚꢏ«
ꢁꢂꢃꢄꢊ
ª
ª
When active (maintained action), the meter continually resets the displays
entered as ꢟꢅꢂ in the sublist. The sublist appears when the PAR key is pressed.
This function does not apply to the RTC Time or Date displays.
DISPLAY
DESCRIPTION
Timer
FACTORY
t-dSp
C-dSP
NO
NO
Cycle Counter
DISPLAY
DESCRIPTION
Timer
FACTORY
t-dSp
C-dSP
NO
NO
Cycle Counter
CHANGE DIRECTION (Level Active)
ꢚꢏ«
ª ꢡꢦꢄꢀꢞꢁ
ꢝꢂꢅꢁꢄꢏ«
ª ꢡꢦꢄꢀꢞꢁ
MOMENTARY RESET (Edge Triggered)
ꢝꢂꢅꢁꢄꢏ«
ª
ꢚꢏ«
ꢁꢂꢃꢄꢅ
When active (maintained action), the timing or counting direction for the
display entered as ꢟꢅꢂ in the sublist, will be reversed from the direction set by
the Timing Direction (ꢃꢄꢀꢞꢁ) and/or Counting Direction (ꢡꢄꢀꢞꢁ) parameters in
Modules 1 and 4. (Program only one User Input per display for this function.)
This function does not apply to RTC Time or Date displays.
ª
ꢁꢂꢃꢄꢅ
When activated (momentary action), the meter resets the displays entered as
ꢟꢅꢂ in the sublist. Function does not apply to RTC Time or Date displays.
DISPLAY
DESCRIPTION
Timer
FACTORY
DISPLAY
DESCRIPTION
FACTORY
t-dSp
C-dSP
NO
NO
Timer
t-dSp
C-dSP
NO
NO
Cycle Counter
Cycle Counter
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CHANGE DISPLAY INTENSITY LEVEL
OUTPUT SET (Level Active)
ꢝꢂꢅꢁꢄꢏ«
ꢀꢄꢊꢅꢋ
ꢚꢏ«
ꢀꢄꢊꢅꢋ
ꢚꢏ«
ª ꢉꢂꢅꢃꢄꢊ
ꢝꢂꢅꢁꢄꢏ«
ª ꢧꢂꢅꢃꢄꢊ
ª
ª
When activated (maintained action), the meter continually activates the
When activated (momentary action), the display intensity changes to the next
intensity level (of 4). The four levels correspond to Display Intensity Level
(ꢀꢄꢊꢅꢋ) settings of 0, 3, 8 & 15. The intensity level, when changed via the User
Input/Function Key, is not retained at power-down, unless Quick Programming
or Full Programming mode is entered and exited. The unit will power-up at the
last saved intensity level.
output for all Setpoints entered as ꢟꢅꢂ in the sublist.
DISPLAY
DESCRIPTION
Setpoint 1
Setpoint 2
Setpoint 3
Setpoint 4
FACTORY
SP-1
NO
NO
NO
NO
SP-2
SP-3
SP-4
Note: The next two parameters only appear when an RS232 or RS485 Serial
Communications Card is installed in the meter.
OUTPUT SET (Edge Triggered)
ꢝꢂꢅꢁꢄꢏ«
ª ꢉꢂꢅꢃꢄꢅ
ꢚꢏ«
ª ꢉꢂꢅꢃꢄꢅ
PRINT REQUEST
ꢝꢂꢅꢁꢄꢏ«
ꢆꢁꢞꢥꢃ
ꢚꢏ«
ꢆꢁꢞꢥꢃ
When activated (momentary action), the meter activates the output for all
Setpoints entered as ꢟꢅꢂ in the sublist.
ª
ª
When activated, the meter issues a block print through the serial port. The
specific values transmitted during a print request are selected with the Print
Options parameter in Module 7. For User Inputs (level active), the meter
transmits blocks repeatedly as long as the input is active. For Function Keys,
(edge triggered) only one block is transmitted per key press.
DISPLAY
DESCRIPTION
Setpoint 1
Setpoint 2
Setpoint 3
Setpoint 4
FACTORY
SP-1
NO
NO
NO
NO
SP-2
SP-3
SP-4
PRINT REQUEST and RESET (Edge Triggered)
OUTPUT RESET (Level Active)
ꢚꢏ«
ª ꢆꢁꢄꢁꢂꢃ
ꢝꢂꢅꢁꢄꢏ«
ª ꢆꢁꢄꢁꢂꢃ
ꢝꢂꢅꢁꢄꢏ«
ª ꢉꢁꢂꢃꢄꢊ
ꢚꢏ«
ª ꢉꢁꢂꢃꢄꢊ
When activated (momentary action), the meter first issues a block print
through the serial port, and then performs a Momentary Reset on the displays
entered as ꢟꢅꢂ in the sublist. The specific values transmitted in the print block
are selected with the Print Options parameter in Module 7. Only one transmit
and reset occurs per User Input activation or Function Key press.
When activated (maintained action), the meter continually deactivates the
output for all Setpoints entered as ꢟꢅꢂ in the sublist.
DISPLAY
DESCRIPTION
Setpoint 1
Setpoint 2
Setpoint 3
Setpoint 4
FACTORY
SP-1
NO
NO
NO
NO
SP-2
SP-3
SP-4
DISPLAY
DESCRIPTION
Timer
FACTORY
t-dSp
C-dSP
NO
NO
Cycle Counter
OUTPUT RESET (Edge Triggered)
Note: The remaining parameters only appear when a Setpoint Card is
installed in the meter.
ꢝꢂꢅꢁꢄꢏ«
ª ꢉꢁꢂꢃꢄꢅ
ꢚꢏ«
ª ꢉꢁꢖꢃꢄꢅ
OUTPUT HOLD (Level Active)
ꢚꢏ«
ª ꢉꢄꢐꢉꢊꢀ
ꢝꢂꢅꢁꢄꢏ«
ª ꢉꢄꢐꢉꢊꢀ
When activated (momentary action), the meter deactivates the output for all
Setpoints entered as ꢟꢅꢂ in the sublist.
DISPLAY
DESCRIPTION
Setpoint 1
Setpoint 2
Setpoint 3
Setpoint 4
FACTORY
When active (maintained action), the meter “holds” (maintains) the present
output state for all Setpoints entered as ꢟꢅꢂ in the sublist. Does not apply to
Output Set and Reset User Inputs. Program only one user input for this function.
SP-1
NO
NO
NO
NO
SP-2
SP-3
SP-4
DISPLAY
DESCRIPTION
Setpoint 1
Setpoint 2
Setpoint 3
Setpoint 4
FACTORY
SP-1
NO
NO
NO
NO
SP-2
SP-3
SP-4
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6.3 MODULE 3 - DISPLAY AND PROGRAM LOCK-OUT
PARAMETERS (ꢙꢄꢊꢉꢡ)
PARAMETER MENU
** These parameters only appear if a Setpoint option card is installed.
ꢈ = Setpoint Number 1 thru 4
Module 3 is the programming module for setting the Display Lock-out
Parameters and the “Quick Programming Mode” Value Access Parameters. In the
Quick Programming mode, after the PROGRAM LOCKOUT PARAMETERS
and before the Security Code (ꢡꢉꢀꢅ), a Display Intensity Level (ꢀꢄꢊꢅꢋ)
parameter is available when the security code is non-zero. It allows the display
intensity to be set to 1 of 16 levels (0-15).
TIMER & CYCLE COUNTER START/STOP VALUE ACCESS
ꢃ ꢂꢃꢁꢃ« ꢃ ꢂꢃꢉꢆ« ꢡ ꢂꢃꢁꢃ« ꢡ ꢂꢃꢉꢆ«
ꢊꢉꢡ ª ꢊꢉꢡ ª ꢊꢉꢡ ª ꢊꢉꢡ
ª
Timer & Counter Start/Stop Values can be programmed for ꢁꢅꢀ, ꢅꢈꢃ, or ꢊꢉꢡ.
DISPLAY LOCK-OUT PARAMETERS
When operating in the Display Mode, the meter displays can be viewed
consecutively by repeatedly pressing the DSP key. The annunciators to the left
of the display indicate which display is currently shown. Timer (TMR), Cycle
Counter (CNT), or Date (DAT). The Time Display for the Real-Time Clock is
shown with no annunciator. Any of these displays can be locked from view with
the DISPLAY LOCK-OUT parameters. Using these parameters, each display
can be programmed for “Read” or “Lock” defined as follows:
PTC901: REAL-TIME CLOCK TIME SETTING ACCESS
ꢂꢅꢃꢄꢃ«
ꢊꢉꢡ
ꢅꢈꢃ ꢊꢉꢡ
ª
This parameter can be programmed for ꢅꢈꢃ or ꢊꢉꢡ. Selecting ꢅꢈꢃ allows
SELECTION
Read
DISPLAY
ꢁꢅꢀ
DESCRIPTION
setting or changing the RTC Time in Quick Programming mode.
Visible in Display Mode
Not visible in Display Mode
Lock
ꢊꢉꢡ
SECURITY CODE
TIMER DISPLAY LOCK-OUT
CYCLE COUNTER DISPLAY LOCK-OUT
PTC901: REAL-TIME CLOCK DATE/TIME DISPLAY LOCK-OUT
ꢡꢉꢀꢅ«
ꢛꢛꢛ
ꢛꢛꢛ to ꢑꢒꢒ
ª
ꢁꢃꢡꢄꢀ« ꢁꢃꢡꢄꢃ«
ꢃꢄꢀꢂꢆ« ꢡꢄꢀꢂꢆ«
ꢊꢉꢡ ª ꢊꢉꢡ
ꢁꢅꢀ ª ꢊꢉꢡ ª
Entry of a non-zero value will cause the ꢡꢉꢀꢅ prompt to appear when trying
to access the “Full” Programming Mode. Access will only be allowed after
entering a matching security code or the universal unlock code of ꢑꢑꢑ. With this
lock-out, a User Input would not have to be used for the Program Lock-out
function. Note however, the Security Code lock-out is overridden when an User
Input, configured for Program Lock-out (ꢆꢊꢉꢡ), is not active (See Chart.)
ª
These displays can be programmed for ꢁꢅꢀ or ꢊꢉꢡ. When a particular meter
function is not used, the Display Lock-out should be set to ꢊꢉꢡfor that display.
PROGRAM LOCK-OUT PARAMETERS (VALUE ACCESS)
“Full” Programming Mode permits all parameters to be viewed and
modified. This programming mode can be locked with a Security Code and/or
a User Input. When locked, and the PAR key is pressed, the meter enters a
Quick Programming Mode. In this mode, access to Setpoint Values, Timer &
Cycle Counter Start/Stop Values, and Time Setting for the Real-Time Clock can
be programmed for “Read”, “Enter”, or “Lock” defined as follows:
PROGRAMMING MODE ACCESS
SECURITY USER INPUT USER INPUT MODE WHEN “PAR”
FULL PROGRAMMING
MODE ACCESS
CODE
SELECTION
STATE
KEY IS PRESSED
0
———— Full Programming Immediate access
After Quick Programming
not ꢆꢊꢉꢡ
SELECTION DISPLAY
DESCRIPTION
Read
Visible, not changeable, in Quick Programming Mode
Visible and changeable in Quick Programming Mode
Not visible in Quick Programming Mode
not 0
not 0
———— Quick Programming with correct Security
code entry
not ꢆꢊꢉꢡ
ꢁꢅꢀ
Enter
Lock
ꢅꢈꢃ
ꢊꢉꢡ
After Quick Programming
Active
Quick Programming with correct Security
code entry
ꢆꢊꢉꢡ
SETPOINT 1 to 4 VALUE ACCESS ** (ꢥ = 1 thru 4)
not 0
Not Active Full Programming Immediate access
Active Quick Programming No access
Not Active Full Programming Immediate access
ꢆꢊꢉꢡ
ꢆꢊꢉꢡ
ꢆꢊꢉꢡ
0
0
ꢂꢆꢄꢥ« ꢂꢆꢉꢚꢄꢥ« ꢃꢉꢋꢃꢄꢥ«
ꢊꢉꢡ
ª
ª
ª
ꢊꢉꢡ
ꢊꢉꢡ
Throughout this bulletin, Programming Mode (without Quick in front) always
refers to “Full” Programming.
Setpoint Values for SP1 thru SP4 can be programmed for ꢁꢅꢀ, ꢅꢈꢃ, or ꢊꢉꢡ.
ꢂꢆꢉꢚꢄꢥ and ꢃꢉꢝꢃꢄꢥ are only displayed when they apply to the Setpoint Action
(ꢓꢡꢃꢄꢥ) programmed for that particular Setpoint. (See Module 6 for details.)
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6.4 MODULE 4 - CYCLE COUNTER PARAMETERS (ꢣꢄꢡꢈꢃ)
PARAMETER MENU
Module 4 is the programming module for the Cycle Counter Parameters. In the
Display Mode, the CNT annunciator indicates the Cycle Counter display is
CYCLE COUNTER START VALUE
currently being shown. An EXCHANGE PARAMETER LISTS feature, which
includes the Cycle Counter Start and Stop Values, is explained in Module 2.
ꢡ ꢂꢃꢁꢃ«
ꢛꢛꢛꢛꢛꢛ to ꢘꢘꢘ999
ª ꢛꢛꢛꢛꢛꢛ
CYCLE COUNTER COUNT SOURCE
The Cycle Counter returns to this value whenever a Cycle Counter Reset
occurs. Non-zero values are normally used for “down counting” applications,
but they can also provide an “offset” value when counting up.
ꢈꢉꢈꢅ ꢝꢂꢅꢁꢄꢏ ꢃꢄꢁꢂꢃ
ꢛꢏꢄꢉꢈ ꢛꢏꢄꢉꢜꢜ ꢛꢑꢄꢉꢈ ꢛꢑꢄꢉꢚꢚ
ꢛꢙꢄꢉꢈ ꢛꢙꢄꢛꢜꢜ ꢛꢣꢄꢉꢈ ꢛꢣꢄꢉꢚꢚ
ꢡ ꢂꢁꢨ«
ꢈꢉꢈꢅ
ª
CYCLE COUNTER STOP VALUE
This parameter selects the source from which a count is added to or
subtracted from the Cycle Counter. Select ꢈꢉꢈꢅ if the Cycle Counter is not
being used, which will exit the module and bypass the remaining parameters.
When ꢝꢂꢅꢁꢄꢏ is selected, a count is generated each time the User 1 Input is
activated. When selected as the count source, User Input 1 can still be
programmed to perform a User Function described in Module 2, if desired. In
this case, the Cycle Counter would be counting the number of times the
particular User Function occurred.
The Timer Reset (ꢃꢄꢁꢂꢃ) selection generates a count when either a manual
or automatic reset occurs. (See Module 6 for programming Automatic Resets.)
The Output ON/OFF selections generate a count when the chosen output
either activates or deactivates. These selections only appear when a Setpoint
Card is installed. O3 and O4 selections only appear for Quad Setpoint cards.
ꢩꢡꢂꢃꢉꢆ«
ꢈꢉ
ꢈꢉ ꢟꢅꢂ
ª
The Cycle Counter stops counting when this value is reached, regardless of
the operation of the Timer. Selecting ꢟꢅꢂ will display the ꢋꢓꢊꢝꢅ sub-menu where
the Stop Value can be set or changed. The Stop condition is cleared when a
Cycle Counter Reset occurs. Select ꢈꢉ if a Stop Value is not used.
ꢩꢋꢤꢊꢝꢅ
«
ꢛꢛꢛꢛꢛꢛ
ꢛꢛꢛꢛꢛꢛ to ꢘꢘꢘꢘꢘꢘ
CYCLE COUNTER RESET AT POWER-UP
CYCLE COUNTER COUNTING DIRECTION
ꢡ ꢆꢄꢝꢆ«
ª
ꢡ ꢀꢞꢁ«
ꢝꢆ
ꢈꢉ ꢟꢅꢂ
ꢝꢆ ꢀꢈ
ª
ꢈꢉ
The Cycle Counter can be programmed to Reset at each meter power-up.
Counting direction can be reversed through a User Input. (See Module 2.)
6.5 MODULE 5 - TIMER OPERATING MODES (ꢒꢄꢉꢆꢅꢁ)
This module can only be accessed if a Setpoint Card is installed.
PARAMETER MENU
* Only the value parameters which apply to the selected mode will appear.
PREDEFINED TIMER OPERATING MODE
The Predefined modes control the activation and deactivation of Output 1, in
relation to Start and Reset signals applied to the Timer inputs. (See timing
diagrams which follow.) When a selection other than ꢈꢉ is chosen, the
parameters for Setpoint 1 (ꢂꢆꢄꢏ) in Module 6 are automatically configured to
implement the selected operating mode. For some modes, parameters in
Modules 1 and 2 are also automatically configured to properly implement the
predefined mode. Refer to the chart shown with the timing diagrams for the
specific parameters loaded for each predefined mode. Also, note the specific
external wiring or plug jumper settings required for some modes.
ON-dLY
OF-dLY
rEPEAt
dLYINt
INt-L
- On-Delay Timing
ꢃ ꢉꢆꢅꢁ«
ª
- Off-Delay Timing
ꢈꢉ
- Repeat Cycle Timing
- On-Delay/Interval Timing
- Interval Timing (Level Triggered)
- Interval Timing (Edge Triggered)
INt-E
This parameter is used to select Predefined Operating Modes for the Timer.
These modes cover a variety of timing applications frequently encountered in
industrial control processes. When using a Predefined mode, the operator needs
only to set the actual Setpoint On/Off or Time-out values for the particular
application. However, each programming parameter will still be accessible, in
order to make modifications to the predefined settings if desired.
The Setpoint On/Off or Time-out values for the specific application should
be entered directly in Module 5 after selecting the operating mode. Only the
value parameters which apply to the selected mode are displayed. These values
can also be entered through Module 6, Setpoint (Alarm) Parameters, if desired.
Select ꢈꢉ if not using a Predefined Operating Mode, in which case Setpoint
parameters must all be individually programmed for the particular application.
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Timing Diagrams for Predefined Timer Operating Modes
NOTE: Input A is shown as a Sourcing input (active high). If a Sinking input (active low) is used, the logic levels for Input A would be inverted.
On-Delay / Interval Timing
On-Delay Timing
Input A
ꢉꢈꢄꢀꢊꢟ
ꢀꢊꢪꢌꢈꢃ
Input A
T
T
T1
T2
T
Output 1
Output 1
Off-Delay Timing
Input A
Interval Timing (Level triggered)
ꢌꢈꢃꢄꢊ
ꢉꢜꢄꢀꢊꢟ
Input A
T
T
T
T
Output 1
Output 1
The input signal must be wired to both the Input A and
User Input 1 terminals. The Timer Input plug jumper and
the User Input plug jumper must be set to opposite
positions (one SNK, one SRC) and the Input signal must
be a current sinking type (i.e. pulls input to common).
The input signal must be wired to both the Input A and
User Input 1 terminals. The Timer Input plug jumper and
the User Input plug jumper must both be set to the
same position (either both SNK or both SRC).
Interval Timing (Edge triggered)
Repeat Cycle Timing
ꢁꢅꢆꢅꢓꢃ
ꢌꢈꢃꢄꢅ
Input A
Input A
T1
T1
T
T2
T
T
Output 1
Output 1
Parameter Settings for Predefined Timer Operating Modes
MODULE 1 - Timer Input Parameters (ꢏꢄꢌꢈꢆ)
DISPLAY
PARAMETER
ON-dLY
OF-dLY
rEPEAt
dLYINt
INt-L
INt-E
Timer Input Operation
INP OP
EdrS-2 EdrS-2 EdrS-2 EdrS-2 LEVrSt EdrS-2
MODULE 2 - User Input Parameters (ꢑꢄꢚꢈꢡ)
DISPLAY
USEr-1
rSt
PARAMETER
ON-dLY
OF-dLY
rSt-L
NO
rEPEAt
dLYINt
INt-L
INt-E
User Input 1
N/A
N/A
N/A
N/A
OrSt-E
(SP1-YES)
NO
Reset Key
NO
NO
NO
NO
MODULE 6 - Setpoint Parameters (ꢫꢄꢂꢆꢃ)
DISPLAY
PARAMETER
ON-dLY
OF-dLY
rEPEAt
dLYINt
INt-L
INt-E
Setpoint Select
SPSEL
ASN-1
ACt-1
OUt-1
ON-1
SP-1
t-dSP
LAtCH
NOr
VALUE
T*
SP-1
t-dSP
SP-1
t-dSP
ON-OFF ON-OFF
SP-1
t-dSP
t-OUt ON-OFF
NOr NOr
SP-1
t-dSP
SP-1
t-dSP
t-OUt
NOr
Setpoint Assignment
Setpoint Action
Output Logic
NOr
t-Strt
N/A
NOr
VALUE
T1*
Setpoint On
VALUE t-Strt t-Strt
Setpoint On Value
Setpoint Off
T1*
N/A
N/A
T2*
N/A
N/A
N/A
N/A
T*
SP-1
N/A
OFf-1
SPOf-1
tOUt-1
tstP-1
AUtO-1
OrSd-1
Lit-1
P-UP-1
VALUE
T*
VALUE
T2*
VALUE
T*
Setpoint Off Value
Time-out Value
N/A
N/A
N/A
N/A
N/A
Timer Stop
NO
NO
NO
NOr
OFF
0-OFF
NO
NO
NOr
OFF
NO
0-OFF
NO
NOr
OFF
0-OFF
NO
NO
NOr
OFF
0-OFF
NO
NO
NOr
OFF
0-OFF
NO
NO
NOr
OFF
Timer/Counter Auto Reset
Output Reset w/display Reset
Setpoint Annunciator
Power-up State
* Refer to timing diagrams. These parameters are the actual Setpoint On/Off or Time-Out values set by the user for the specific application.
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6.6 MODULE 6 - SETPOINT (ALARM) PARAMETERS (ꢫꢄꢂꢆꢃ)
This module can only be accessed if a Setpoint Card is installed.
PARAMETER MENU
ꢥ= Setpoint Number 1 thru 4
Module 6 is the programming module for the Setpoint (Alarm) Output
Parameters. This programming module can only be accessed if a Setpoint card
is installed. Depending on the card installed, there will be two or four Setpoint
outputs available. The Setpoint Assignment and Setpoint Action parameters
determine the applicable Setpoint features, and dictate which subsequent
parameters will appear for the Setpoint being programmed.
OUTPUT LOGIC
ꢉꢝꢃꢄꢥ«
ꢈꢉꢁ
ꢈꢉꢁ
ꢁꢅꢋ
ª
Normal Output Logic (ꢈꢉꢁ) turns the output “on” when activated and “off”
when deactivated. Reverse Output Logic (ꢁꢅꢋ) turns the output “off” when
activated and “on” when deactivated.
This section of the bulletin replaces the bulletin shipped with the Dual and
Quad Setpoint plug-in cards. Discard the separate bulletin when using Setpoint
plug-in cards with the PTC901 and PTC900.
SETPOINT ON
ꢋꢓꢊꢝꢅ
ꢛꢏꢄꢉꢚꢚ
ꢛꢙꢄꢉꢚꢚ
ꢃꢄꢂꢃꢁꢃ ꢃꢄꢂꢃꢉꢆ
ꢛꢑꢄꢛꢈ ꢛꢑꢄꢉꢚꢚ
ꢛꢣꢄꢉꢈ ꢛꢣꢄꢉꢚꢚ
ꢉꢈꢄꢥ«
ª ꢬꢋꢤꢊꢝꢅ
ꢛꢏꢄꢉꢈ
ꢛꢙꢄꢛꢈ
SETPOINT SELECT
This parameter determines when the Setpoint output will activate. Output
activation can occur at a specific Setpoint Value (ꢋꢓꢊꢝꢅ) or can be triggered by
various “events”, as shown in the parameter list. Such events include the Timer
starting (ꢃꢄꢂꢃꢁꢃ) or stopping (ꢃꢄꢂꢃꢉꢆ), or by the action (event) that causes
another Setpoint output to turn On or Off. When programmed for an event, the
Setpoint must not be used as the Setpoint On event for another Setpoint.
Selecting ꢋꢓꢊꢝꢅdisplays a sub-menu where the Setpoint value is entered. The
Setpoint value is based on the meter display to which the Setpoint is assigned
(ꢓꢂꢈꢄꢥ). When assigned to the Timer or Cycle Counter, the Setpoint value is
entered in the same format as the assigned display. When assigned to the Real-
Time Clock Date Display (ꢁꢃꢡꢄꢀ), the date value is entered in month.day.year
format (ꢥꢥꢗꢀꢀꢗꢪꢪ). When assigned to the Real-Time Clock Time Display (ꢁꢃꢡꢄꢃ),
the Setpoint value is always entered in ꢐꢐꢄꢈꢈꢆ format (Hours-Minutes with
AM/PM selection). In Setpoint One-shot mode (See Daily On Occurrence), the
One-shot Setpoint is enabled (armed) by scrolling the AM/PM digit until the 2nd
digit decimal point is lit.
ꢂꢆꢂꢅꢊ«
ꢈꢉ
ꢂꢆꢄꢙ
ꢂꢆꢄꢏ
ꢂꢆꢄꢣ
ꢂꢆꢄꢑ
ª
ꢈꢉ
Select the Setpoint (alarm) output to be programmed. This provides access to
the parameters for that particular Setpoint. The “ꢥ” in the following parameter
displays, reflects the chosen Setpoint number (1 thru 4). After the chosen
Setpoint is programmed, the display returns to ꢂꢆꢂꢅꢊ ꢈꢉ. Select the next
Setpoint to be programmed and continue this sequence for each Setpoint. Select
ꢈꢉ to exit the module. ꢂꢆꢄꢙ and ꢂꢆꢄꢣ apply to Quad Setpoint cards only.
SETPOINT ASSIGNMENT
ꢓꢂꢈꢄꢥ«
ꢈꢉꢈꢅ
ꢈꢉꢈꢅ ꢃꢄꢀꢂꢆ ꢡꢄꢀꢂꢆ ꢁꢃꢡꢄꢀ ꢁꢃꢡꢄꢃ
ª
ꢂꢆꢄꢥ
«
ꢛꢛꢛꢛꢛꢛ
ꢛꢛꢛꢛꢛꢛ to ꢘꢘꢘꢘꢘꢘ
Select the meter display to which the Setpoint is assigned: Timer (ꢃꢄꢀꢂꢆ),
Cycle Counter (ꢡꢄꢀꢂꢆ), Real-Time Clock Date display (ꢁꢃꢡꢄꢀ) or Real-Time
Clock Time display (ꢁꢃꢡꢄꢃ). (The ꢁꢃꢡꢄꢀ and ꢁꢃꢡꢄꢃ selections only appear if a
Real-Time Clock option card is installed.)
ª
SETPOINT OFF
ꢋꢓꢊꢝꢅ ꢃꢄꢂꢃꢁꢃ ꢃꢄꢂꢃꢉꢆ
ꢛꢏꢄꢉꢈ ꢛꢏꢄꢉꢚꢚ ꢛꢑꢄꢛꢈ ꢛꢑꢄꢉꢚꢚ
ꢛꢙꢄꢛꢈ ꢛꢙꢄꢉꢚꢚ ꢛꢣꢄꢉꢈ ꢛꢣꢄꢉꢚꢚ
By selecting ꢈꢉꢈꢅ, the Setpoint is not assigned to a specific display.
However, the output can still be activated (set) and deactivated (reset) by
various “events”. Such events include the Timer starting or stopping, or another
Setpoint output turning On or Off. The output can also be set and reset through
a User Input function or through serial communications.
ꢉꢚꢜꢄꢥ«
ª ꢬꢋꢤꢊꢝꢅ
The Setpoint Off parameter only appears when the Setpoint Action (ꢓꢡꢃꢄꢥ)
is programmed for On-Off Output mode (ꢉꢈꢄꢉꢚꢚ). In this mode, this parameter
determines when the Setpoint output will deactivate. Output deactivation can
occur at a specific Setpoint Off Value (ꢋꢓꢊꢝꢅ) or can be triggered by various
“events”, as shown in the parameter list. Such events include the Timer starting
(ꢃꢄꢂꢃꢁꢃ) or stopping (ꢃꢄꢂꢃꢉꢆ), or by the action (event) that causes another
Setpoint output to turn On or Off. When programmed for an event, the Setpoint
must not be used as the Setpoint Off event for another Setpoint.
Selecting ꢋꢓꢊꢝꢅ will display a sub-menu where the Setpoint Off value is
entered. The Setpoint Off value is based on the meter display to which the
Setpoint is assigned (ꢓꢂꢈꢄꢥ). When assigned to the Timer or Cycle Counter, the
value is entered in the same format as the assigned display. When assigned to
the Real-Time Clock Date Display (ꢁꢃꢡꢄꢀ), the date value is entered in
month.day.year format (ꢥꢥꢗꢀꢀꢗꢪꢪ). When assigned to the Real-Time Clock Time
Display (ꢁꢃꢡꢄꢃ), the value is always entered in ꢐꢐꢄꢈꢈꢆ format (Hours-Minutes
with AM/PM selection).
SETPOINT ACTION
ꢓꢡꢃꢄꢥ«
ꢊꢓꢃꢡꢐ
ꢊꢓꢃꢡꢐ ꢃꢄꢉꢝꢃ ꢉꢈꢄꢉꢚꢚ
ª
This parameter determines the mode for output deactivation as shown below.
Output activation is controlled by the SETPOINT ON parameter setting.
DISPLAY
DESCRIPTION
Latched Output Mode
Timed Output Mode
On-Off Output Mode
OUTPUT DEACTIVATES
At Reset (Manual or Automatic)
After “Time-Out Value” Elapses
Based on “Setpoint Off” Setting
LAtCH
t-OUt
ON-OFF
ꢂꢆꢉꢜꢄꢥ
«
ꢛꢛꢛꢏꢛꢛ
The ꢃꢄꢉꢝꢃand ꢉꢈꢄꢉꢜꢜselections are not available when Setpoint is assigned
to ꢁꢃꢡꢄꢀ.
ꢛꢛꢛꢛꢛꢛ to ꢘꢘꢘꢘꢘꢘ
ª
19
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TIME-OUT VALUE
TIMER STOP
ꢃꢉꢝꢃꢄꢥ«
ꢛꢛꢗꢛꢏꢗꢛꢛ
ꢃꢂꢃꢆꢄꢥ«
ꢈꢉ
ꢛꢛꢗꢛꢛꢗꢛꢑ to ꢘꢘꢗꢒꢘꢗꢘꢘ
ꢈꢉ
ꢉꢄꢉꢈ
ꢉꢄꢉꢚꢚ
ª
ª
The Time-Out Value only appears when the Setpoint Action (ꢓꢡꢃꢄꢥ) is
programmed for Timed Output mode (ꢃꢄꢉꢝꢃ). In this mode, the Time-Out Value
is the Setpoint Output time duration, from activation to deactivation. This value
is always entered in minutes, seconds, and hundredths of seconds format. The
maximum Time-Out Value is 99 minutes 59.99 seconds.
Timer stops when the Setpoint output activates (ꢉꢄꢉꢈ) or deactivates (ꢉꢄꢉꢚꢚ).
Select ꢈꢉ if the output should not affect the Timer Run/Stop status.
Stopping the Timer as a result of this parameter does not constitute a ꢃꢄꢂꢃꢉꢆ
condition (event) for the Setpoint On or Setpoint Off parameters.
TIMER/COUNTER AUTO RESET
PTC901: DAILY ON OCCURRENCE
ꢓꢝꢃꢉꢄꢥ«
ꢈꢉ
ꢈꢉ
ꢉꢄꢉꢈ ꢉꢄꢉꢚꢚ
ꢀ ꢉꢈꢄꢥ«
ꢈꢉ
ꢈꢉ
ꢟꢅꢂ
ª
ª
When the Setpoint output activates (ꢉꢄꢉꢈ) or deactivates (ꢉꢄꢉꢚꢚ), the meter
automatically resets the Setpoint Assignment display (ꢓꢂꢈꢄꢥ). Select ꢈꢉ if the
Setpoint output should not cause the assigned display to reset. Does not apply
to manual activations or deactivations by user input, function key, or serial
communications.
This parameter only appears when the Setpoint is assigned (ꢓꢂꢈꢄꢥ) to the
Real-Time Clock Time display (ꢁꢃꢡꢄꢃ). This parameter determines the days of
the week when the Setpoint output will activate.
Selecting ꢪꢅꢂ displays a sublist for choosing the days of the week. On all
days entered as ꢪꢅꢂ in the sublist, the output will activate. On all days entered
as ꢈꢉ, the output will not activate. The output activation is repetitive, and will
occur every week on the chosen day(s).
OUTPUT RESET WITH DISPLAY RESET
DISPLAY
DESCRIPTION
Sunday
FACTORY
ꢂꢭꢥ
ꢠꢮꢇꢥ
ꢃꢭꢅ
ꢯꢅꢀ
ꢃꢦꢭ
ꢚꢁꢞ
ꢈꢉ
ꢉꢁꢂꢀꢄꢥ«
ꢈꢉ
ꢈꢉ
ꢟꢅꢂ
Monday
ꢟꢅꢂ
ꢟꢅꢂ
ꢟꢅꢂ
ꢟꢅꢂ
ꢟꢅꢂ
ꢈꢉ
ª
Tuesday
Wednesday
Thursday
Friday
When ꢟꢅꢂ is selected, the Setpoint output will reset when the Setpoint
Assignment display (ꢓꢂꢈꢄꢥ) resets. Select ꢈꢉ if the Setpoint output should not
reset when the assigned display resets.
Saturday
ꢂꢓꢃ
Setpoint One-Shot Mode
SETPOINT ANNUNCIATOR
If all days are set to ꢈꢉ, the Setpoint will operate in “One-shot” mode. When
a One-shot setpoint is enabled (armed), the setpoint output will activate at the
set time and disable itself from activating again. To enable or re-enable a one-
shot alarm, go to the Setpoint value entry display and press the Up or Dn key
repeatedly while the AM/PM digit is selected (flashing). When the 2nd digit
decimal point is lit, the Setpoint is enabled. The Setpoint enable status is saved
at power-down. The enable state of the Setpoint is not affected or changed when
the Parameter List is exchanged.
The setpoint will turn off (de-activate) as programmed per the Setpoint
Action selected. If ꢉꢈꢄꢉꢜꢜ mode is selected, program all the Daily Off days to
ꢟꢅꢖ to have the Setpoint turn off at the next Daily Off Occurrence. The One-
shot status can also be viewed or set from the Setpoint Off value entry display.
ꢊꢞꢃꢄꢥ«
ꢈꢉꢁ
ꢈꢉꢁ
ꢁꢅꢝ ꢜꢊꢓꢂꢐ
ꢉꢚꢚ
ª
This parameter controls the illumination of the LED annunciator for the
corresponding Setpoint output (ꢂꢆꢥ) as follows:
–Annunciator displayed when output is “on” (activated)
–Annunciator displayed when output is “off” (deactivated)
–Annunciator and display flashes when output is “on” (activated)
–Annunciator disabled
Normal (ꢈꢉꢁ)
Reverse (ꢁꢅꢋ)
Flash (ꢚꢊꢓꢂꢐ)
Off (ꢉꢚꢚ)
PTC901: DAILY OFF OCCURRENCE
SETPOINT POWER-UP STATE
ꢀꢉꢜꢜꢄꢥ«
ꢈꢉ
ꢆꢄꢝꢆꢄꢥ«
ª
ꢈꢉ
ꢟꢅꢂ
ꢉꢚꢚ
ꢉꢈ
ꢂꢓꢋꢅ
ª
ꢉꢚꢚ
Determines the on/off state of the Setpoint output at power-up. Regardless of
This parameter only appears when the Setpoint is assigned (ꢓꢂꢈꢄꢥ) to the
Real-Time Clock Time display (ꢁꢃꢡꢄꢃ) and when the Setpoint Action (ꢓꢡꢃꢄꢥ)
is programmed for On-Off Output mode (ꢉꢈꢄꢉꢚꢚ). In this mode, this parameter
determines the days of the week when the Setpoint output will deactivate.
Selecting ꢪꢅꢂ displays a sublist for choosing the days of the week. On all
days entered as ꢪꢅꢂin the sublist, the output will deactivate. On all days entered
as ꢈꢉ, the output will not deactivate. The output deactivation is repetitive, and
will occur every week on the chosen day(s).
output logic setting (normal or reverse).
ꢉꢚꢚ – Deactivates the Setpoint output at power-up
ꢉꢈ
–Activates the Setpoint output at power-up
ꢂꢓꢋꢅ – Restores the output to the state it was in prior to power-down
DISPLAY
DESCRIPTION
Sunday
FACTORY
ꢂꢭꢥ
ꢠꢮꢇꢥ
ꢃꢭꢅ
ꢯꢅꢀ
ꢃꢦꢭ
ꢚꢁꢞ
ꢈꢉ
Monday
ꢟꢅꢂ
ꢟꢅꢂ
ꢟꢅꢂ
ꢟꢅꢂ
ꢟꢅꢂ
ꢈꢉ
Tuesday
Wednesday
Thursday
Friday
Saturday
ꢂꢓꢃ
20
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6.7 MODULE 7 - SERIAL COMMUNICATIONS PARAMETERS (ꢰꢄꢒꢁꢊ)
This module can only be accessed if a Serial Communications Card is installed.
PARAMETER MENU
* Only appears if the Real-Time Clock Card is installed.
Module 7 is the programming module for the Serial Communications
Parameters. These parameters are used to match the serial settings of the meter
with those of the host computer or other serial device, such as a terminal or
printer. This programming module can only be accessed if an RS232 or RS485
Serial Communications card is installed.
This section also includes an explanation of the commands and formatting
required for communicating with the meter. In order to establish serial
communications, the user must have host software that can send and receive
ASCII characters. For serial hardware and wiring details, refer to section 4.5
Serial Communication Wiring.
ABBREVIATED PRINTING
ꢓꢢꢢꢁ«
ꢈꢉ
ꢈꢉ
ꢟꢅꢂ
ª
This parameter determines the formatting of data transmitted from the meter
in response to a Transmit Value (T) command or a Block Print Request (P)
command. Select ꢈꢉ for a Full print transmission, which consists of the meter
address, mnemonics, and parameter data. Select ꢪꢅꢂ for abbreviated print
transmissions, consisting of the parameter data only. This setting affects all the
parameters selected in the PRINT OPTIONS. (Note: If the meter address is 00,
the address will not be sent during a Full transmission.)
This section of the PTC900/PTC901 bulletin replaces the bulletin shipped
with the RS232 and RS485 serial communications plug-in cards. Discard the
separate bulletin when using those serial plug-in cards with the
PTC900/PTC901. Also, this section does NOT apply to the Modbus
communication cards. For details on the operation of the Fieldbus cards, refer
to the bulletin shipped with each card.
PTC901: REAL-TIME CLOCK PRINT FORMATTING
ꢁꢃꢡ ꢚꢃ«
ꢟꢅꢂ
ꢈꢉ
ꢟꢅꢂ
BAUD RATE
ª
ꢢꢓꢝꢀ«
ꢘꢫꢛꢛ
This parameter determines the formatting of the Real-Time Clock (RTC)
values transmitted from the meter in response to a Transmit Value (T) command
or a Block Print Request (P) command. This parameter appears only when a
Real-Time Clock plug-in option card is installed.
When ꢟꢅꢂ is selected, RTC values are formatted as per the RTC Time and
Date Display Formats programmed in Module 8. The Day of Week value is sent
as a character string.
ꢙꢛꢛ
ꢣꢱꢛꢛ ꢘꢫꢛꢛ ꢏꢘꢑꢛꢛ
ꢫꢛꢛ
ꢏꢑꢛꢛ
ꢑꢣꢛꢛ
ª
Set the baud rate to match the other serial communications equipment on the
serial link. Normally, the baud rate is set to the highest value at which all the
serial equipment are capable of transmitting and receiving data.
When ꢈꢉ is selected, the meter sends the RTC values as numeric data only.
RTC Time/Date units are separated by a “.”. The Day is sent as a single number
as shown below.
DATA BITS
ꢀꢓꢃꢓ«
ꢰ
TIME - Hours (24-Hr. format), Minutes, Seconds (HHMMSS)
DATE - Month, Day, Year (mmddyy)
DAY - 1 = Sunday thru 7 = Saturday
ꢰ
ꢱ
ª
Select either 7- or 8-bit data word lengths. Set the word length to match the
other serial communications equipment on the serial link.
PRINT OPTIONS
PARITY BIT
ꢉꢆꢃ«
ꢆꢓꢁ«
ꢉꢀꢀ
ꢈꢉ
ꢉꢀꢀ ꢅꢋꢅꢈ
ª
ꢈꢉ
ª
This parameter selects the meter values transmitted in response to a Print
Request. A Print Request is sometimes referred to as a block print because more
than one parameter can be sent to a printer or computer as a block.
This parameter only appears when the Data Bits parameter is set to a 7-bit
data word length. Set the parity bit to match that of the other serial
communications equipment on the serial link. The meter ignores parity when
receiving data and sets the parity bit for outgoing data. If parity is set to ꢈꢉ, an
additional stop bit is used to force the frame size to 10 bits.
Selecting ꢪꢅꢂ displays a sublist for choosing the meter parameters to appear
in the block print. All parameters entered as ꢪꢅꢂ in the sublist will be
transmitted during a block print. Parameters entered as ꢈꢉ will not be sent.
DISPLAY
t-dsp
C-dSP
rtC-d
rtC-t
SPNt
PARAMETER
FACTORY MNEMONIC
Timer
TMR
yES
NO
NO
NO
NO
NO
NO
METER ADDRESS
Cycle Counter
CNT
ꢓꢀꢀꢁ«
ꢛꢛ
RTC Date*
DAT
ꢛꢛ to ꢘꢘ
RTC Time*
TIM
ª
Setpoint Values*
Setpoint Off/Time-Out Values*
Timer/Cnt Start & Stop Values
SP1 SP2 SP3 SP4
SO1 SO2 SO3 SO4
TST TSP CST CSP
Enter the serial meter (node) address. With a single meter, an address is not
needed and a value of zero can be used. With multiple meters (RS485
applications), a unique 2 digit address number must be assigned to each meter.
Addresses 98 and 99 are reserved to configure a unit as a serial real-time
clock master. See Serial Real-time Clock Master Adressing.
SpNtOF
StrStp
* These values are plug-in card dependent.
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Command String Examples:
SENDING SERIAL COMMANDS AND DATA
When sending commands to the meter, a string containing at least one
command character must be constructed. A command string consists of a
command character, a value identifier, numerical data (if writing data to the
meter) followed by the command terminator character * or $.
1. Address = 17, Write 350 to Setpoint 1
String: N17VE350$
2. Address = 5, Cycle Counter value, response time of 50 to 100 msec. min.
String: N05TB*
Command Chart
3. Address = 0, Reset Timer value
String: RA*
COMMAND DESCRIPTION
NOTES
Node (Meter) Address Address a specific meter. Must be followed by
N
T
Transmitting Data To the Meter
Specifier
node address. Not required when address = 00.
Numeric data sent to the meter must be limited to Transmit Details listed in the
Register Identification Chart. Leading zeros are ignored. The meter ignores any
decimal point and conforms the number to the scaled resolution. (ie. The meter’s
scaled decimal point position is set for 0.0 and 25 is written to a register. The value
of the register is now 2.5. In this case, write a value of 250 to equal 25.0).
Read a register from the meter. Must be
followed by register ID character.
Transmit Value (read)
Write to register of the meter. Must be followed
by register ID character and numeric data.
V
R
P
Value change (write)
Reset
Reset a register or output. Must be followed
by register ID character
For RTC Time [C] and Date [D] Value:
Block Print Request Initiates a block print output. Registers are
(read) defined in programming.
Time - 24 Hours, Minutes, Seconds (HHMMSS)
Ex: 083000 = 8:30 AM, 144500 = 2:45 PM
Command String Construction
Date - Month, Day, Year (mmddyy)
Ex: 123101 = December 31, 2001
The command string must be constructed in a specific sequence. The meter
does not respond with an error message to invalid commands. The following
procedure details construction of a command string:
Day - 1 = Sunday through 7 = Saturday
EX: 3 = Tuesday
1. The first characters consist of the Node Address Specifier (N) followed by a
1 or 2 character address number. The address number of the meter is
programmable. If the node address is 0, this command and the node address
itself may be omitted. The address suffix , “?” is the global broadcast address
specifier. A command string that is sent with N? prefix will be accepted by
all PAXCKs on the RS485 network (software code version 2.3 or greater).
This is useful for setting all meters to the current time, date or day that may
have unique meter addresses on a bus. It is important not to send (P)rint or
(T)ransmit commands using N? prefix, as it will result in multiple meters
responding at the same time. This is the only command that may be used in
conjunction with other commands.
Notes:
1. Since the meter does not issue a reply to value change commands, follow
with a transmit value command for readback verification.
2. The date and day must be set separately.
Transmitting Data From the Meter
Data is transmitted from the meter in response to either a transmit command
(T), a print block command (P) or User Function print request. The response
from the meter is either a full field transmission or an abbreviated transmission.
The meter response is established in Module 7.
2. After the optional address specifier, the next character is the command
character.
Full Transmission (ꢓꢢꢢꢁ ꢈꢉ)
=
3. The next character is the Register ID. This identifies the register that the
command affects. The P command does not require a Register ID character.
It prints according to the selections made in print the options. If constructing
a value change command (writing data), the numeric data is sent next.
4. All command strings must be terminated with the string termination
characters * or $. The meter does not begin processing the command string
until this character is received. See Timing Diagram figure for differences
between terminating characters.
BYTE DESCRIPTION
1, 2 2 byte Node (Meter) Address field [00-99]
3
<SP> (Space)
4-6
3 byte Register Mnemonic field
7-18 12 byte numeric data field: 6 bytes for number, up to 3 for decimal points.
19
20
21
22
23
<CR> (Carriage return)
<LF> (Line feed)
<SP> (Space)✰
<CR> (Carriage return)✰
<LF> (Line feed)✰
Note: On a change value command (V), if the command string is terminated
with the * character, all values are stored in E2PROM memory. Values are
not stored if the $ terminator is used.
✰ These characters only appear in the last line of a block print.
Register Identification Chart
REGISTER
COMMAND 2 TRANSMIT DETAILS 3
ID
VALUE DESCRIPTION
NAME 1
TMR
CNT
TIM
The first two characters transmitted are the unit address. If the address
assigned is 0, two spaces are substituted. A space follows the unit address field.
The next three characters are the register mnemonic.
The numeric data is transmitted next. The numeric field is 12 characters long
(decimal points are loaded depending on timer range selected). The data is right-
aligned with leading spaces for any unfilled positions.
The end of the response string is terminated with <CR> and <LF>. When a
block print is finished, an extra <SP>, <CR>, and <LF> are used to provide
separation between the transmissions.
A
B
C
D
E
F
Timer Value
T, V, R
T, V, R
T, V
6 digit
Cycle Counter Value
RTC Time Value
RTC Date Value
Setpoint 1
6 digit
6 digit
DAT
SP1
SP2
SP3
SP4
SO1
SO2
SO3
SO4
TST
CST
TSP
CSP
MMR
DAY
SOR
T, V
6 digit
T, V, R
T, V, R
T, V, R
T, V, R
T, V
6 digit
Setpoint 2
6 digit
G
H
I
Setpoint 3
6 digit
Setpoint 4
6 digit
Setpoint 1 Off Value
Setpoint 2 Off Value
Setpoint 3 Off Value
Setpoint 4 Off Value
Timer Start Value
Cycle Counter Start Value
Timer Stop Value
Cycle Counter Stop Value
Auto/Man Register
Day of Week Value
Setpoint Register
6 digit
J
T, V
5 digit
K
L
T, V
6 digit
T, V
6 digit
M
O
Q
S
U
W
X
T, V
6 digit
T, V
6 digit
T, V
6 digit
T, V
6 digit
T, V
0 - auto, 1 - manual
1 = Sun....7 = Sat
0 - not active, 1 - active
T, V
T, V
1. Register Names are also used as Register Mnemonics during full transmission.
2. The registers associated with the P command are set up in Print Options (Module 7).
3. Unless otherwise specified, the Transmit Details apply to both T and V
Commands.
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Auto/Manual Mode Register (MMR) ID: U
Abbreviated Transmission (ꢓꢢꢢꢁ ꢟꢅꢂ)
=
This register sets the controlling mode for the outputs. In Auto Mode (0) the
meter controls the setpoint output. In Manual Mode (1) the outputs are defined
by the registers SOR. When transferring from auto mode to manual mode, the
meter holds the last output value (until the register is changed by a write). Each
output may be independently changed to auto or manual. In a write command
string (VU), any character besides 0 or 1 in a field will not change the
corresponding output mode.
BYTE DESCRIPTION
1-12 12 byte data field, 6 bytes for number, up to 3 bytes for decimal points.
13
14
15
16
17
<CR> (Carriage return)
<LF> (Line feed)
<SP> (Space)✰
<CR> (Carriage return)✰
<LF> (Line feed)✰
U abcd
d = SP4
c = SP3
b = SP2
a = SP1
✰ These characters only appear in the last line of a block print.
The abbreviated response suppresses the address and register mnemonics,
leaving only the numeric part of the response.
Note: Transmissions are formatted to match the way the parameter is displayed.
This includes setpoints.
Example: VU0011 places SP3 and SP4 in manual.
Example: SP1 assigned to RTC. RTC format = 12:00 P.
SP1 printout = 12:00 P.
Setpoint Output Register (SOR) ID: X
This register is used to view or change the states of the setpoint outputs.
Reading from this register (TX) will show the present state of all the setpoint
outputs. A “0” in the setpoint location means the output is inactive and a “1”
means the output is active. The output logic parameter in Module 6 will affect
the active logic state.
Meter Response Examples:
1. Address = 17, full field response, Cycle Counter = 875
17 CNT
2. Address = 0, full field response, Setpoint 2 = 250.5
SP2 250.5<CR><LF>
875 <CR><LF>
X abcd
d = SP4
c = SP3
b = SP2
a = SP1
3. Address = 0, abbreviated response, Setpoint 2 = 250, last line of block print
250<CR><LF><SP><CR><LF>
In Automatic Mode, the meter controls the setpoint output state. In Manual
Mode, writing to this register (VX) will change the output state. Sending any
character besides 0 or 1 in a field or if the corresponding output was not first in
manual mode, the corresponding output value will not change.
Example: VX10* will result in output 1 active and output 2 inactive.
COMMAND RESPONSE TIME
SERIAL TIMING
The meter can only receive data or transmit data at any one time (half-duplex
operation). During RS232 transmissions, the meter ignores commands while
transmitting data, but instead uses RXD as a busy signal. When sending
commands and data to the meter, a delay must be imposed before sending
another command. This allows enough time for the meter to process the
command and prepare for the next command.
PROCESS TIME (t2)
2-50 msec.
COMMAND
COMMENT
Reset
R
V
T
Write
100-200 msec.
2-50 msec. for $
50-100 msec. for *
2-50 msec. for $
50-100 msec. for *
Transmit
Refer to the Timing Diagrams below. At the start of the time interval t1, the
computer program prints or writes the string to the com port, thus initiating a
transmission. During t1, the command characters are under transmission and at
the end of this period, the command terminating character (*, $) is received by
the meter. The time duration of t1 is dependent on the number of characters and
baud rate of the channel.
P
Print
Timing Diagrams
NO REPLY FROM METER
t1 = (10 times the # of characters) / baud rate
At the start of time interval t2, the meter starts the interpretation of the
command and when complete, performs the command function. This time
interval t2 varies. If no response from the meter is expected, the meter is ready
to accept another command.
If the meter is to reply with data, the time interval t2 is controlled by the use
of the command terminating character. The '*' terminating character results in a
response time window of 50 msec. minimum and 100 msec. maximum. This
allows sufficient time for the release of the sending driver on the RS485 bus.
Terminating the command line with '$' results in a response time window (t2) of
2 msec. minimum and 50 msec. maximum. The faster response time of this
terminating character requires that sending drivers release within 2 msec. after
the terminating character is received.
RESPONSE FROM METER
At the beginning of time interval t3, the meter responds with the first
character of the reply. As with t1, the time duration of t3 is dependent on the
number of characters and baud rate of the channel. At the end of t3, the meter is
ready to receive the next command.
t3 = (10 times the # of characters) / baud rate
23
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COMMUNICATION FORMAT
Data is transferred from the meter through a serial communication channel.
In serial communications, the voltage is switched between a high and low level
at a predetermined rate (baud rate) using ASCII encoding. The receiving device
reads the voltage levels at the same intervals and then translates the switched
levels back to a character.
Start Bit and Data Bits
Data transmission always begins with the start bit. The start bit signals the
receiving device to prepare for reception of data. One bit period later, the least
significant bit of the ASCII encoded character is transmitted, followed by the
remaining data bits. The receiving device then reads each bit position as they
are transmitted.
The voltage level conventions depend on the interface standard. The table
lists the voltage levels for each standard.
Parity Bit
LOGIC
INTERFACE STATE
mark (idle)
RS232*
RS485*
After the data bits, the parity bit is sent. The transmitter sets the parity bit to
a zero or a one, so that the total number of ones contained in the transmission
(including the parity bit) is either even or odd. This bit is used by the receiver
to detect errors that may occur to an odd number of bits in the transmission.
However, a single parity bit cannot detect errors that may occur to an even
number of bits. Given this limitation, the parity bit is often ignored by the
receiving device. The meter ignores the parity bit of incoming data and sets the
parity bit to odd, even or none (mark parity) for outgoing data.
1
0
TXD,RXD; -3 to -25 V
TXD,RXD; +3 to +25 V
a-b < -200 mV
a-b > +200 mV
space (active)
* Voltage levels at the Receiver
Data is transmitted one byte at a time with a variable idle period between
characters. Each ASCII character is “framed” with a beginning start bit, an
optional parity bit and one or more ending stop bits. The data format and baud
rate must match that of other equipment in order for communication to take
place. The figures list the data formats employed by the meter.
Stop Bit
The last character transmitted is the stop bit. The stop bit provides a single bit
period pause to allow the receiver to prepare to re-synchronize to the start of a
new transmission (start bit of next byte). The receiver then continuously looks
for the occurrence of the start bit. If 7 data bits and no parity is selected, then 2
stop bits are sent from the meter.
Character Frame Figure
6.8 MODULE 8 - REAL-TIME CLOCK PARAMETERS (ꢱꢄꢁꢃꢡ) - PTC901
PARAMETER MENU
Module 8 is the programming module for the Real-Time Clock (RTC) Date
and Time Parameters. In the Display Mode, the DAT annunciator indicates the
SET DATE
RTC Date is currently being shown. The RTC Time display is shown with no
annunciator. This programming module can only be accessed if a Real-Time
Clock card is installed.
ꢂꢅꢃꢄꢀ«
ꢈꢉ
ꢟꢅꢂ
ª
ꢈꢉ
This parameter sets the Date for the Real-Time Clock. Selecting ꢟꢅꢂ will
display the sub-menu where the Date can be set or changed. The RTC Date is
entered in “Month.Day.Year” format (two-digit values). When the PAR key is
pressed, the new Date is entered. Select ꢈꢉ to advance to the next parameter
without changing the Date.
SET TIME
ꢂꢅꢃꢄꢃ«
ꢈꢉ
ꢈꢉ
ꢟꢅꢂ
ª
ꢠꢥꢥꢗꢀꢀꢗꢟꢟ
«
ꢛꢏꢗꢛꢏꢗꢛꢏ
This parameter sets the Time for the Real-Time Clock. Selecting ꢟꢅꢂ will
display the sub-menu where the Time can be set or changed. The RTC Time is
entered in “Hours-Minutes”, 12-hour format, with AM/PM indication. When
the PAR key is pressed, the new Time is entered and begins running. The
“Seconds” always start from 00 when the Time is entered. Select ꢈꢉto advance
to the next parameter without changing the Time.
MONTH.DAY.YEAR
ª
SET DAY
ꢀꢤꢪ«
ꢖꢭꢥ
ꢖꢭꢥ ꢮꢇꢥ
ꢃꢦꢭ ꢚꢁꢞ
ꢃꢭꢅ
ꢖꢤꢃ
ꢯꢅꢀ
ꢐꢐꢄꢈꢈꢆ
«
ꢏꢑꢄꢛꢛꢓ
HOURS-MINUTES Am/Pm
ª
ª
Set the Day of the week for the Real-Time Clock.
24
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To calibrate the RTC, install the meter in its normal operating environment,
and set the time based on a known accurate reference (such as the WWV
broadcast or the Atomic Clock reference which is available via the internet).
After 30 days of normal operation, compare the RTC time to the reference, and
note the amount of time gained or lost. Refer to the tables on the next page for
the proper Offset value to enter, given the amount of time drift observed.
TIME DISPLAY FORMAT
ꢀꢖꢍꢄꢃ«
ª ꢏꢑꢄꢒꢘꢍ
12-59p 12-59 23-59
ꢀꢁꢂꢃꢄꢂꢃꢄ ꢑꢙꢗꢒꢘꢗꢒꢘ
Select the format in which the Real-Time Clock Time will be displayed. The
format selections depict the range for the RTC Time display, and DO NOT
represent the current RTC Time. When the meter is operating in the Display
Mode, the RTC Time display is shown with no annunciator.
ꢉꢚꢚꢂꢅꢃ
«
ª
ꢛꢛ to ꢫꢙ
ꢛꢛ
DATE DISPLAY FORMAT
Selecting ꢪꢅꢂ for the ꢡꢓꢊ parameter displays the ꢉꢚꢚꢂꢅꢃ sub-menu where the
present Offset value can be viewed or changed. The tables below show the
value to enter, given the amount of time gained or lost in a 30-day period.
ꢀꢂꢆꢄꢀ«
ª ꢏꢑꢄꢙꢏ
ꢏꢑꢄꢙꢏ ꢙꢏꢄꢏꢑ ꢏꢑꢗꢙꢏꢗꢘꢘ ꢙꢏꢗꢏꢑꢗꢘꢘ
+B/ꢅꢆꢀ ꢙꢏꢄꢲꢤꢈ sun-31
Values 00 and 32 provide no Offset, and are not shown in the tables.
Select the format in which the Real-Time Clock Date will be displayed. The
format selections depict the range for the RTC Date display, and DO NOT
represent the current RTC Date. When the meter is operating in the Display
Mode, the RTC Date display is indicated by the DAT annunciator.
IF RTC CLOCK GAINED TIME:
USE VALUE FROM THIS TABLE
SECONDS ENTER THIS SECONDS ENTER THIS
GAINED IN
30 DAYS
OFFSET
VALUE
GAINED IN
30 DAYS
OFFSET
VALUE
AUTO CHANGE FOR DAYLIGHT SAVINGS TIME
5
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
90
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
11
16
21
26
32
37
42
47
53
58
63
69
74
79
84
95
ꢡꢦꢄꢀꢖꢃ«
ꢈꢉ
100
105
111
116
121
127
132
137
142
148
153
158
163
ꢈꢉ
ꢟꢅꢂ
ª
Selecting ꢪꢅꢂ allows the meter to automatically adjust the RTC Time for
Daylight Savings Time. (Adjustment dates are U.S.A. standard only.) Avoid
setpoints that occur during adjustment (Sundays 1 to 3 AM).
METER TYPE FOR CLOCK SYNCHRONIZATION
ꢖꢟꢈꢡ«
ꢂꢊꢓꢋꢅ
ꢖꢊꢓꢋꢅ ꢐꢉꢂꢃ
ª
Time synchronization between multiple PTC901 meters can be
accomplished through a hardware interface on the Real-Time Clock option
card. This RS485 type interface allows connection of up to 32 PTC901 meters
in a two-wire multidrop network, at distances up to 4000 ft. (See Section 4.6,
Real-Time Clock Wiring).
In a Synchronization network, one PTC901 meter is programmed as the Host
(ꢐꢉꢂꢃ), while all other meters are programmed as Slaves (ꢂꢊꢓꢋꢅ). Once every
hour (at 30 min. past the hour), the Host meter outputs a time synchronization
pulse onto the network. Upon receiving the synchronization pulse, each Slave
meter automatically adjusts the Minutes and Seconds of its RTC Time setting to
synchronize with the Host. Synchronization, using the Real-Time Clock Wiring,
adjusts the Minutes and Seconds only, and does not change the Hours, AM/PM,
Day or Date settings in the Slave meter's RTC.
IF RTC CLOCK LOST TIME:
USE VALUE FROM THIS TABLE
SECONDS ENTER THIS SECONDS ENTER THIS
LOST IN 30
DAYS
OFFSET
VALUE
LOST IN 30
DAYS
OFFSET
VALUE
Full-time synchronization (hours, minutes and seconds) is possible for
PAXCKs that are connected in an RS485 network (RS485 Serial Option cards
required). In this configuration, one meter is designated as the Serial RTC
Master by setting the meter's address as 98 or 99 (see Serial Real-time Clock
Addressing in Master Module 7). Every hour (at 30 min past the hour), the
Serial RTC Master / Host will transmit the full time (Hours, minutes, seconds)
to all meters through the RS485 serial card wiring network. The time, date, or
day will also be transmitted and updated in the Slaves when changed in the
programming of the Serial RTC Master. Only one meter should be configured
as Master and that meter should also be configured as the Host.
11
21
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
179
190
200
211
221
232
243
253
264
274
285
295
306
316
327
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
32
42
53
63
74
84
95
CALIBRATE REAL-TIME CLOCK
105
116
127
137
148
158
169
ꢡꢓꢊ«
ꢈꢉ
ꢈꢉ
ꢟꢅꢂ
ª
* NOTE: DO NOT ADJUST TRIM CAP ON RTC CARD!
The Real-Time Clock circuit uses a crystal controlled oscillator for high
accuracy timekeeping. The oscillator is factory calibrated* and optimized for
25°C ambient temperature operation. Since the PTC901 is designed to operate
over a wide temperature range, and since the accuracy of a crystal oscillator
varies with ambient temperature, some drift in the RTC time may be observed
over an extended period. This is primarily seen in high or low temperature
installations. To compensate for the wide operating temperature range, a
calibration or “Offset” value can be entered, which effectively slows down or
speeds up the clock to maintain accurate timekeeping.
25
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6.9 MODULE 9 - FACTORY SERVICE OPERATIONS (ꢘꢄꢚꢡꢂ)
PARAMETER MENU
DISPLAY INTENSITY LEVEL
RESTORE FACTORY DEFAULTS
Enter the desired Display Intensity Level (0-15) by
using the arrow keys. The display will actively dim or
brighten as the levels are changed. This parameter also
appears in Quick Programming Mode when enabled.
Use the RST and/or arrow keys to display ꢡꢉꢀꢅ ꢉꢫꢫ and
press PAR. The meter will display ꢁꢅꢂꢅꢃ and then returns
to ꢡꢉꢀꢅ ꢛꢒꢛ. Press DSP key to return to the Display Mode.
This will overwrite all programmed user settings with the
Eꢅ-&7 «
ª
ꢡꢉꢀꢅ«
ꢕꢛꢫꢫ
ꢆ
ª
Factory Default Settings shown in the Parameter Value Chart. For the PTC901,
the Time and Date stored in the Real-Time Clock, as well as the RTC
Claibration Offset value, are NOT overwritten by this parameter. However, the
Time and Date Display Formats will revert back to the Factory Default Settings.
TROUBLESHOOTING
For further assistance, contact technical support at the appropriate company numbers listed.
PROBLEM
REMEDIES
NO DISPLAY
CHECK: Power level, power connections
CHECK: User input set for program lock-out function is in Active state
ENTER: Security code requested
PROGRAMMING LOCKED-OUT
CERTAIN DISPLAYS ARE LOCKED-OUT
MODULES or PARAMETERS NOT ACCESSIBLE
CHECK: Display Lock-out programming in Module 3
CHECK: Corresponding plug-in card installation, Program Lock-out/ Value Access
parameter programming in Module 3
CHECK: Input wiring, Timer plug jumper setting, Timer input programming in Module 1,
input signal level, Timer Inhibited by Input B or a user input
TIMER NOT RUNNING
CHECK: User input wiring, user input plug jumper setting, user input signal level,
user input programming in Module 2
USER INPUT NOT WORKING PROPERLY
OUTPUTS NOT WORKING PROPERLY
CHECK: Setpoint plug-in card installation, wiring, Setpoint programming in Module 6
CHECK: RTC plug-in card installation, RTC programming in Module 8, check for
proper battery installation, replace battery. DO NOT ADJUST TRIM CAP ON RTC CARD!
REAL-TIME CLOCK NOT WORKING PROPERLY
CHECK: Serial plug-in card installation, Serial wiring, Serial settings in Module 7,
host settings
SERIAL COMMUNICATIONS NOT WORKING
PRESS: Reset key (If unable to clear, contact factory.)
ERROR CODE (ꢅꢁꢁ ꢏꢄꢣ)
Shaded areas are model dependent.
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PARAMETER VALUE CHART
Programmer ________________ Date ________
Clock Timer
Meter# _____________ Security Code __________
3-LOCDisplay and Program Lock-out Parameters
1-INPTimer Input Parameters
FACTORY
SETTING
FACTORY
SETTING
DISPLAY
PARAMETER
USER SETTING
DISPLAY
PARAMETER
USER SETTING
TIMER DISPLAY LOCK-OUT
CYCLE COUNT DISPLAY LOCK-OUT
RTC DATE DISPLAY LOCK-OUT
RTC TIME DISPLAY LOCK-OUT
SP1 ON VALUE ACCESS
t-dSP
C-dSP
rtC-d
rtC-t
Sp-1
rEd
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
LOC
000
TIMER RANGE
rANGE
SSSSSS
LEVEL
ꢛꢈ
TIMER INPUT OPERATION
TIMER INPUT FILTERING
TIMING DIRECTION
INP OP
FILtEr
t dir
ꢝꢆ
TIMER START VALUE (A)
TIMER START VALUE (B)*
TIMER STOP (A & B*)
t Strt
ꢛꢛꢛꢛꢛꢛ
ꢛꢛꢛꢛꢛꢛ
NO
SP1 OFF VALUE ACCESS
SP0F-1
tOUt-1
Sp-2
SP1 TIME-OUT VALUE ACCESS
SP2 ON VALUE ACCESS
t StOP
VaLUE
TIMER STOP VALUE (A)
TIMER STOP VALUE (B)*
FLASH TIMER ANNUNCIATOR
TIMER INPUT STATE AT POWER-UP
TIMER RESET AT POWER-UP
ꢛꢛꢛꢛꢛꢛ
ꢛꢛꢛꢛꢛꢛ
ꢈꢉ
ꢂꢃꢉꢆ
ꢈꢉ
SP2 OFF VALUE ACCESS
Sp0f-2
tOUt-2
sp-3
SP2 TIME-OUT VALUE ACCESS
SP3 ON VALUE ACCESS
FLASH
InP-UP
t p-UP
SP3 OFF VALUE ACCESS
sp0f-3
tOUt-3
sp-4
SP3 TIME-OUT VALUE ACCESS
SP4 ON VALUE ACCESS
SP4 OFF VALUE ACCESS
sp0f-4
tOUt-4
t Strt
t StOP
C Strt
C StOP
SEt-t
COdE
2-FNCUser Input and Function Key Parameters
SP4 TIME-OUT VALUE ACCESS
TIMER START VALUE ACCESS
TIMER STOP ACCESS
FACTORY
SETTING
DISPLAY
PARAMETER
USER SETTING
NO
NO
USER INPUT 1
USEr-1
USEr-2
USEr-3
F1
COUNTER START VALUE ACCESS
COUNTER STOP VALUE ACCESS
RTC TIME SETTING ACCESS
SECURITY CODE
USER INPUT 2
NO
NO
USER INPUT 3
FUNCTION KEY 1
NO
FUNCTION KEY 2
F2
rSt
SEC-F1
drSt-E
NO
NO
RESET KEY
SECONDARY FUNCTION KEY F1
SECONDARY FUNCTION KEY F2
4-CNtCycle Counter Parameters
SEC-F2
FACTORY
SETTING
DISPLAY
PARAMETER
USER SETTING
NONE
UP
CYCLE COUNTER COUNT SOURCE
CYC. CNTR. COUNTING DIRECTION
CYCLE COUNTER START VALUE (A)
CYCLE COUNTER START VALUE (B)*
CYCLE COUNTER STOP (A & B*)
CYCLE COUNTER STOP VALUE (A)
CYCLE COUNTER STOP VALUE (B)*
CYC. CNTR. RESET AT POWER-UP
C Src
C dir
C Strt
000000
000000
NO
C StOP
VALUE
000000
OOOOOO
NO
C p-UP
5-OPErTimer Operating Modes
FACTORY
SETTING
DISPLAY
PARAMETER
USER SETTING
PREDEFINED TIMER OPER. MODE
SETPOINT 1 ON VALUE
t OPEr
SP-1
SPOF-1
tOUt-1
NO
ꢛꢛꢛꢛꢛꢛ
000100
ꢛꢛꢗꢛꢏꢗꢛꢛ
SETPOINT 1 OFF VALUE
SETPOINT 1 TIME-OUT VALUE
* See Module 2, Exchanging Parameter Lists, for details on programming this value.
Shaded areas are model dependent.
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SP-1
SP-2
SP-3
SP-4
6-SPt Setpoint (Alarm) Parameters
FACTORY
SETTING
FACTORY
SETTING
FACTORY
SETTING
FACTORY
SETTING
DISPLAY
PARAMETER
USER SETTING
USER SETTING
USER SETTING
USER SETTING
SETPOINT ASSIGNMENT
SETPOINT ACTION
ASM-n
ACt-n
OUt-n
ON-n
NONE
LAtCH
NOr
VALUE
VALUE
NONE
LAtCH
NOr
VALUE
VALUE
NONE
LAtCH
NOr
VALUE
VALUE
NONE
LAtCH
NOr
VALUE
VALUE
OUTPUT LOGIC
SETPOINT ON (A)
SETPOINT ON (B)*
SETPOINT ON VALUE (A)
SETPOINT ON VALUE (B)*
SETPOINT OFF (A)
SP-n
000000
000000
VALUE
VALUE
000100
000100
ꢛꢛꢗꢛꢏꢗꢛꢛ
ꢛꢛꢗꢛꢏꢗꢛꢛ
Mon-Fri
Mon-Fri
Mon-Fri
Mon-Fri
NO
000000
000000
VALUE
VALUE
000100
000100
ꢛꢛꢗꢛꢏꢗꢛꢛ
ꢛꢛꢗꢛꢏꢗꢛꢛ
Mon-Fri
Mon-Fri
Mon-Fri
Mon-Fri
NO
000000
000000
VALUE
VALUE
000100
000100
ꢛꢛꢗꢛꢏꢗꢛꢛ
ꢛꢛꢗꢛꢏꢗꢛꢛ
Mon-Fri
Mon-Fri
Mon-Fri
Mon-Fri
NO
000000
000000
VALUE
VALUE
000100
000100
ꢛꢛꢗꢛꢏꢗꢛꢛ
ꢛꢛꢗꢛꢏꢗꢛꢛ
Mon-Fri
Mon-Fri
Mon-Fri
Mon-Fri
NO
OFF-n
SPOF-n
tOUt-n
ꢀ ꢉꢈꢄꢥ
ꢀꢉꢜꢜꢄꢥ
SETPOINT OFF (B)*
SETPOINT OFF VALUE (A)
SETPOINT OFF VALUE (B)*
TIME-OUT VALUE (A)
TIME-OUT VALUE (B)*
DAILY ON OCCURRENCE (A)
DAILY ON OCCURRENCE (B)*
DAILY OFF OCCURRENCE (A)
DAILY OFF OCCURRENCE (B)*
TIMER STOP
ꢃꢂꢃꢆꢄꢥ
ꢓꢝꢃꢉꢄꢥ
ꢉꢁꢖꢀꢄꢥ
ꢊꢞꢃꢄꢥ
TIMER/COUNTER AUTO RESET
OUTPUT RESET W/DISPLAY RESET
SETPOINT ANNUNCIATOR
POWER-UP STATE
NO
NO
NO
NO
NO
NO
NO
NO
NOr
ꢉꢚꢚ
NOr
ꢉꢚꢚ
NOr
ꢉꢚꢚ
NOr
ꢉꢚꢚ
ꢆꢄꢝꢍꢄꢥ
7-SrLSerial Communication Parameters
8-rtCReal-Time Clock Parameters
FACTORY
SETTING
FACTORY
SETTING
DISPLAY
PARAMETER
USER SETTING
DISPLAY
PARAMETER
USER SETTING
12-59p
12-31
N0
TIME DISPLAY FORMAT
dSP-t
dSP-d
Ch-dSt
SyNC
CAL
OFFSEt
BAUD RATE
DATA BITS
PARITY BIT
bAUd
dAtA
PAr
Addr
Abbr
9600
7
Odd
00
NO
YES
DATE DISPLAY FORMAT
AUTO TIME CHANGE FOR D.S.T.
SYNCHRONIZATION UNIT TYPE
CALIBRATE REAL-TIME CLOCK
RTC CALIBRATION OFFSET VALUE
sLAVE
METER UNIT ADDRESS
ABBREVIATED PRINTING
REAL-TIME CLOCK PRINT FORMAT
PRINT OPTIONS
00
ꢁꢃꢡ ꢚꢃ
OPt
TIMER DISPLAY
t-dSP
C-dSP
rtC-d
rtC-t
spNt
YES
NO
NO
NO
NO
NO
CYCLE COUNTER DISPLAY
RTC DATE DISPLAY
9-fCSFactory Service Parameters
RTC TIME DISPLAY
FACTORY
SETTING
DISPLAY
PARAMETER
USER SETTING
SETPOINT VALUES
3
DISPLAY INTENSITY LEVEL
d-LEV
SETPOINT OFF/ TIME-OUT VALUES
SPNtOF
* See Module 2, Exchanging Parameter Lists, for details on programming this value.
Shaded areas are model dependent.
PTC901 Application
A big application request has always been for
Real-Time Clocks to display time throughout the
plant. The challenge has been to keep all the
various clock locations synchronized with the
right time. With the new PTC901 Timer/Real-
Time Clock this problem is history. You can install
up to a maximum of 32 units. Simply select one of
the units in the system as the host and the balance
are programmed as slaves. The host will send out
a synchronization pulse every hour to correct the
time on any clock unit wired in the system.
Real-Time Clock Synchronization Network
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PTC900/PTC901 PROGRAMMING QUICK OVERVIEW
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PART NUMBER INFORMATION
DESCRIPTION
PART NUMBERS
Timer, 85-250 VAC power
PTC900
Timer, 11-36 VDC/24 VAC power
PTC900-LV
PTC900-GN
PTC900-GN-LV
PTC901
Timer, 85-250 VAC power, green LED display
Timer, 11-36 VDC/24 VAC power, green LED display
Real-Time Clock, 85-250 VAC power
Real-Time Clock, 11-36 VDC/24 VAC power
Real-Time Clock, 85-250 VAC power, green LED display
Real-Time Clock, 11-36 VDC/24 VAC power, green LED display
PTC901-LV
PTC901-GN
PTC901-GN-LV
ACCESSORIES
DESCRIPTION
PART NUMBERS
Setpoint Alarms
Dual Setpoint relay output Card
DP6-CDS10
DP6-CDS20
DP6-CDS30
DP6-CDS40
Quad Setpoint relay output Card
Quad Setpoint sinking open collector output Card
Quad Setpoint sourcing open collector output Card
Communications
RS485 serial communications output card with terminal block
Extended RS485 serial communications output card with dual RJ11 connectors
RS232 serial communications output card with terminal block
Extended RS232 serial communications output card with 9-pin D connector
MODBUS communications output card with terminal block
Extended MODBUS communications output card with dual RJ11 connectors
Real-Time Clock
DP6-CDC10
DP6-CDC1C
DP6-CDC20
DP6-CDC2C
DP6-CDC40
DP6-CDC4C
Real-Time Clock card
PTC9-RTC00
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WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a
period of 25 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace
period to the normal two (2) year product warranty to cover handling and shipping time. This ensures
that OMEGA’s customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service
Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon
examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge.
OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but
not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or
unauthorized modification. This WARRANTY is VOID if the unit shows evidence of having been tampered
with or shows evidence of having been damaged as a result of excessive corrosion; or current, heat,
moisture or vibration; improper specification; misapplication; misuse or other operating conditions outside
of OMEGA’s control. Components in which wear is not warranted, include but are not limited to contact
points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However, OMEGA
neither assumes responsibility for any omissions or errors nor assumes liability for any
damages that result from the use of its products in accordance with information provided by
OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the
company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF
TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF
LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of
OMEGA with respect to this order, whether based on contract, warranty, negligence,
indemnification, strict liability or otherwise, shall not exceed the purchase price of the
component upon which liability is based. In no event shall OMEGA be liable for consequential,
incidental or special damages.
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic
Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical
applications or used on humans. Should any Product(s) be used in or with any nuclear installation or activity,
medical application, used on humans, or misused in any way, OMEGA assumes no responsibility as set forth
in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify OMEGA and
hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product(s) in
such a manner.
RETURN REQUESTS/INQUIRIES
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE
RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR)
NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING
DELAYS). The assigned AR number should then be marked on the outside of the return package and on any
correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent
breakage in transit.
FOR WARRANTY RETURNS, please have the
following information available BEFORE
contacting OMEGA:
1. Purchase Order number under which the product
was PURCHASED,
FOR NON-WARRANTY REPAIRS, consult OMEGA
for current repair charges. Have the following
information available BEFORE contacting OMEGA:
1. Purchase Order number to cover the COST of the
repair,
2. Model and serial number of the product under
warranty, and
3. Repair instructions and/or specific problems
relative to the product.
2. Model and serial number of the product, and
3. Repair instructions and/or specific problems
relative to the product.
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our
customers the latest in technology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2006 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,
reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the
prior written consent of OMEGA ENGINEERING, INC.
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Where Do I Find Everything I Need for
Process Measurement and Control?
OMEGA…Of Course!
Shop online at omega.com
TEMPERATURE
] Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies
] Wire: Thermocouple, RTD & Thermistor
] Calibrators & Ice Point References
] Recorders, Controllers & Process Monitors
] Infrared Pyrometers
PRESSURE, STRAIN AND FORCE
] Transducers & Strain Gages
] Load Cells & Pressure Gages
] Displacement Transducers
] Instrumentation & Accessories
FLOW/LEVEL
] Rotameters, Gas Mass Flowmeters & Flow Computers
] Air Velocity Indicators
] Turbine/Paddlewheel Systems
] Totalizers & Batch Controllers
pH/CONDUCTIVITY
] pH Electrodes, Testers & Accessories
] Benchtop/Laboratory Meters
] Controllers, Calibrators, Simulators & Pumps
] Industrial pH & Conductivity Equipment
DATA ACQUISITION
] Data Acquisition & Engineering Software
] Communications-Based Acquisition Systems
] Plug-in Cards for Apple, IBM & Compatibles
] Datalogging Systems
] Recorders, Printers & Plotters
HEATERS
] Heating Cable
] Cartridge & Strip Heaters
] Immersion & Band Heaters
] Flexible Heaters
] Laboratory Heaters
ENVIRONMENTAL
MONITORING AND CONTROL
] Metering & Control Instrumentation
] Refractometers
] Pumps & Tubing
] Air, Soil & Water Monitors
] Industrial Water & Wastewater Treatment
] pH, Conductivity & Dissolved Oxygen Instruments
M4494/0408
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