PRECISION DIGITAL Trident PD765 - Isolated 4-20 Ma Transmitter Output; Serial Communications; Ordering Information

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LDS765_N 11/15
Precision Digital corPoration
233SouthStreet•HopkintonMA01748USA•Tel(800)343-1001•Fax(508)655-8990
Type Range Acc. (0-65ºC) Acc. (-40-0ºC)
J -58º to 1382ºF
-50º to 750ºC
±2ºF
±1ºC
±5°F
±3°C
K -58º to 2300ºF
-50º to 1260ºC
±2ºF
±1ºC
±4°F
±2°C
T -292º to 700ºF
-180º to 371ºC
±2ºF
±1ºC
±13°F
±7°C
E -58º to 1700ºF
-50º to 927ºC
±2ºF
±1ºC
±11°F
±6°C
RTD -328º to 1382ºF
-200º to 750ºC
±1ºF
±1ºC
±5°F
±3°C
Relays
Rating: 2 Form C (SPDT); rated 3 A @ 30 VDC or 3 A @ 250 VAC
resistive load; 1/14 HP
(≈50watts)@125/250VACforinductiveloadssuchascontactors,
solenoids, etc.
Deadband: 0-100% FS, user selectable
High or Low Alarm: User may program any alarm for high or low
Relay Operation:
1. Automatic (non-latching) 2. Latching 3. Pump alternation control
Relay Reset: User selectable via front panel buttons or PC
1. Automatic reset only (non-latching)
2. Automatic plus manual reset at any time (non-latching)
3. Manual reset only, at any time (latching)
4. Manual reset only after alarm condition has cleared (latching)
Automatic Reset: Relays reset when input passes the reset point
Manual Reset: Front panel button, MeterView, Modbus registers
Time Delay: 0 to 199 seconds, on and off delays; programmable
Fail-Safe Operation: Programmable, independent for each relay. Relay
coils are energized in non-alarm condition. In case of power failure,
relays will go to alarm state.
Auto Initialization: When power is applied to the meter, relays will
reflect the state of the input to the meter.
Isolated 4-20 mA Transmitter Output
Scaling Range: 1.00 to 23.00 mA; reverse scaling allowed.
Calibration: Factory calibrated 4.00 to 20.00 mA
Accuracy: ±0.1% FS ±0.004 mA
Temperature Drift: 50 PPM/°C
Note: Analog output drift is separate from input drift
Isolation: 500 V input-to-output or output-to-24 VDC supplies; 4 kV
output-to-power line
External Power: 35 VDC maximum
Output Loop Resistance: Loop Resistance
Power Supply Minimum Maximum
24VDC 10Ω 700Ω
35 VDC (external)  100Ω 1200Ω
Serial Communications
Compatibility: EIA-232, and EIA-485 with PDA7232 and PDA7422
Trident adapters.
Protocol: PDC and Modbus RTU
Meter Address: PDC protocol: 0 to 99, Modbus protocol: 1 to 247
Baud Rate: 300 to 19,200 bps
Transmit Time Delay: Programmable 0 to 199 ms
Data: 8 bit (1 start bit, 1 stop bit)
Parity: None (2 stop bits), even, or odd
(Modbus only; PDC protocol does not use parity)
Byte-to-Byte Timeout: 0.01 to 2.54 seconds (Modbus only)
Turn Around Delay: Less than 2 ms (fixed)
Refer to PDC and Modbus Serial Communications Protocol manuals for
details.
ORDERING INFORMATION
TridentX2PD765•LargeDisplayModels
85-265 VAC
Model
12-36 VDC
Model
Options Installed
PD765-6X0-00 PD765-7X0-00 None
PD765-6X0-10 24 VDC Supply
PD765-6X2-00 PD765-7X2-00 2 Relays
PD765-6X2-10 2 Relays + 24 VDC Supply
PD765-6X3-00 PD765-7X3-00 4-20 mA Output
PD765-6X3-10 4-20 mA Out + 24 VDC Supply
PD765-6X3-20 4-20 mA Out + Dual 24 VDC Supplies
PD765-7X5-00 2 Relays + 4-20 mA Output
PD765-6X5-10 2 Relays + 4-20 mA Output + 24 VDC Supply
TridentPD765•StandardDisplayModels
85-265 VAC
Model
12-36 VDC
Model
Options Installed
PD765-6R0-00 PD765-7R0-00 None
PD765-6R0-10 24 VDC Supply
PD765-6R2-00 PD765-7R2-00 2 Relays
PD765-6R2-10 2 Relays + 24 VDC Supply
PD765-6R3-00 PD765-7R3-00 4-20 mA Output
PD765-6R3-10 4-20 mA Out + 24 VDC Supply
PD765-6R3-20 4-20 mA Out + Dual 24 VDC Supplies
PD765-7R5-00 2 Relays + 4-20 mA Output
PD765-6R5-10 2 Relays + 4-20 mA Output + 24 VDC Supply
Accessories
Model Description
PDA7420 Trident Meter Copy Cable, 7' (2.1 m)
PDA7422 Trident RS-485 Serial Adapter
PDA7232 Trident RS-232 Serial Adapter
PDA7485-I RS-232 to RS-422/485 Isolated Converter
PDA7485-N RS-232 to RS-422/485 Non-Isolated Converter
PDA8006 USB Serial Adapter
PDA8232-N USB to RS-232 Non-Isolated Converter
PDA8485-I USB to RS-422/485 Isolated Converter
PDA8485-N USB to RS-422/485 Non-Isolated Converter
PDX6901 Suppressor(snubber):0.01μF/470Ω,250VAC
Disclaimer
The information contained in this document is subject to change without notice. Precision Digital
Corporation makes no representations or warranties with respect to the contents hereof, and specifically
disclaims any implied warranties of merchantability or fitness for a particular purpose.
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