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Process control solutions

The PCD100 series are versatile, field-programmable digital panel meters that accept common process inputs, including 4-20mA, and provide a localized display of sensor data.

PCD100 series process control display meters

Model: PCD100

The PCD100 digital panel meters are one of the most versatile on the market, and are used in a wide variety of process and temperature applications. The PCD100 can be field-programmed to accept common process voltage (1-5V, ± 10V) and current (0-20 mA, 4-20 mA) inputs, 100 Ω RTDs, and the four most common thermocouples. PCD100 meters provide the ability to provide 24 VDC to power the transmitter’s 4-20 mA signal, with two power options (85-265 VAC or 12-36 VDC). The meter is supplied with two alarm points that include front panel red LEDs to indicate alarm conditions, making it particularly useful for applications requiring visual-only indication, and can be programmed via the four external button contacts on the front panel or remotely with the included PC-based software. The display is four full digits, an advantage over most digital panel meters on the market. Two relays and isolated 4-20 mA output options increase the utility of the PCD100. The relays can be used for alarm or control applications. The 4-20 mA output provides an isolated retransmission of the input signal for temperature inputs.

Key features information and benefits

  • Accepts current (0-20 mA, 4-20 mA), voltage (0-5V, 1-5V, ± 10V), thermocouple, and RTD field-selectable inputs
  • 2 relays, isolated 4-20 mA output options
  • Compatible with PC420 series sensors, iT transmitters
  • Four external contacts for configuration in the field
  • 4-digit display
  • Two alarm points with front panel red LEDs to indicate alarm conditions – useful for applications requiring visual-only indication

General
Display1.20" (30.5 mm) height, 4 digits, red LED
Display intensityEight levels, user-selectable
Front panelNEMA 4X, IP65 (panel gasket provided
Programming methodsFour front panel buttons;
Cloning with Copy feature;
PC with MeterMate software;
Modbus registers
Power options85-25 VAC, 50/60 Hz;
90-265 VDC, 20 W max or 12-36 VDC;
12-24 VAC, 6 W max
Required fuseUL recognized, 5 A max, slow-blow; up to 6 meters may share one fuse
Isolation4 kV input/output-to-power line;
500 V input-to-output or output-to-24 VDC supplies;
-2R420 models only: 100 V output-to-24 VDC supply
Temperature rangeOperating: -40 to 65°C
Storage: -40 to 85°C
Relative humidity0 to 90% non-condensing
ConnectionsPower & signal: removable screw terminal blocks accept 12 to 22 AWG
Serial: RJ11 header, standard on all meters
Enclosure1/8 DIN, high impact plastic, 94V-0, color: gray
Weight269 grams (9.5 oz), including options

Process inputs
Inputs0-20 mA, 4-20 mA, 1-5 V, ±10 V
Transmitter supply
Isolated, one or two transmitter supplies
P1: 24 VDC ±10% @ 200 mA max (-200 models)
P1 & P2: 24 VDC ± 10% @ 200 mA and 40 mA max (-240 models)
Accuracy±0.05% FS ±1 count; square root: ±0.1% FS ± 2 counts
FunctionLinear or square root
Calibration rangeUser-programmable over entire range of meter
Input impedanceVoltage range: >1 MΩ
Current range: 50-100 Ω, varies with resettable fuse impedance
Input overloadProtected by automatically resettable fuse
Temperature drift:Input
0 to 65°C ambient-40 to 0°C ambient
Current±0.20% FS (50 PPM/°C)±0.80% FS
Voltage±0.02% FS (1.7 PPM/°C)±0.06% FS

Temperature inputs
InputsFactory-calibrated, field-selectable, type J, K, T, or E (see "Input types" below)
Resolution1°; type T TC & RTD: 1° or 0.1°
Cold junction referenceAutomatic
Temperature drift±2°C max
Offset adjustmentProgrammable to ±19.9° (allows user to apply an offset value to the temperature being displayed)
Input impedance>100 kΩ
Input typeRangeAcc. (0 to 65°C)Acc. (-40 to 0°C)Resolution
J-58° to 1382°F
-50°C to 750°C
±2°F
±1°C
±5°F
±3°C
K-58° to 2300°F
-50°C to 1260°C
±2°F
±1°C
±4°F
±2°C
T-292° to 700°F
-180°C to 371°C
±2°F
±1°C
±13°F
±7°C
1° or 0.1°
E-58° to 1700°F
-50°C to 927°C
±2°F
±1°C
±11°F
±6°C
RTD-328° to 1382°F
-200°C to 750°C
±1°F
±1°C
±5°F
±3°C
1° or 0.1°

Relays
Rating2 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
Relay operation1. Automatic (non-latching)
2. Latching
3. Pump alternation control
Time delay0 to 199 seconds, on and off delays; programmable

Serial communications
ProtocolModbus RTU
Meter addressPDC protocol: 0 to 99
Modbus protocol: 1 to 247
Baud rate300 to 19,200 bps
Transmit time delayProgrammable, 0 to 199 ms
Data8 bit (1 start bit, 1 stop bit)
ParityNone (1 or 2 stop bits), even, or odd
Turn around delay< 2 ms (fixed)

Isolated 4-20 mA transmitter output
Scaling range1.00 to 23.00 mA; reverse scaling allowed
Accuracy±0.1% FS ±0.004 mA
Temperature drift50 PPM/°C
Isolation500 V input-to-output or output-to-24 VDC supplies;
4 kV output-to-power line;
100 V output-to-24 VDC supply (model PCD100-265-B-2R420-200 only)
External power35 VDC maximum
Output loop resistance:Power supplyMinimumMaximum
24 VDC10 Ω700 Ω
35 VDC (external)100 Ω1200 Ω

External button contacts
Number4
FunctionRemote operation of front-panel buttons
Open state+5 VDC open contact on button input terminals
Closed stateClosed contact button input terminal to common/ground, active low 0 to 0.4 VDC

Display

PCD100 meter front panel display

Dimensions

PCD100 dimensions

PCD100 models

ModelPoweringRelays optionOutput optionTransmitter power option
PCD100-265-B-N-085-265 VAC---
PCD100-24-B-N-012-36 VDC---
PCD100-265-B-N-20085-265 VAC--24 VDC transmitter supply
PCD100-265-B-2R-085-265 VAC2 relays--
PCD100-24-B-2R-012-36 VDC2 relays--
PCD100-265-B-2R-20085-265 VAC2 relays-24 VDC transmitter supply
PCD100-265-B-420-085-265 VAC-4-20 mA output-
PCD100-24-B-420-012-36 VDC-4-20 mA output-
PCD100-265-B-420-20085-265 VAC-4-20 mA output24 VDC transmitter supply
PCD100-265-B-420-24085-265 VAC-4-20 mA outputDual 24 VDC transmitter supplies
PCD100-24-B-2R420-012-36 VDC2 relays4-20 mA output-
PCD100-265-B-2R420-20085-265 VAC2 relays4-20 mA output24 VDC transmitter supply

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