Plant Wide Controller - Specifications
Benefits
- State-of-the-Art Sequencing, Monitoring and Control
- Easy to Use
- Low Cost
- Efficient Boiler Plant Control Content

Mechanical |
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Case Size: Enclosure Type: Case: Weight: |
19¼" H X 18" W X 8½" D Wall mounted 7 Slot, (CPU + 6 I/O Slots) 55 lbs. |
Environmental |
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Operating Temp: Storage Temp: Humidity Limits: Enclosure: |
32° to 122° F (0° to 50° C) -20° to 150° F (-28° to 65° C) 15 to 95% (non-condensing) NEMA 1 |
Performance |
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Accuracy: Resolution: Microprocessor: Execution Cycle: Time/Date Clock: |
0.025% Analog I/O 16 bit input/12 bit output 32 bit, 128k EEPROM Five per second battery backed |
Operator Control Panel |
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LCD Graphic Display: Keyboard: |
2.9" H x 5.1" W Membrane, tactile feedback |
Historical Data (Optional) |
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Displays: Memory: |
8 or 40 minute or 2, 8 or 24 hour charts Non-Volatile, 32 Mb. 48 points every 15 sec for 30 days, or greater with data compression |
Configuration |
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Standard Lead/Lag: Control Language: Security: Custom Blockware Configuration Software: |
Menu style “Fill-In-The-Blanks” setup. Function block style, 60 functions, 600 Blocks 2 password levels PWC_Edit™ spread sheet based or PWC_Draw™ graphical, editor (Windows PC Required) |
Communication |
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Control Network: Speed: Type: Telephone Modem (optional): Printer Port: Programming Port: Type: |
1200 to 38,400 baud RS485, optically isolated Internal Card 33,600 baud, RJ-11 Jack, Data and Pagers Alarms/Logs, DB25F connector
RS232, DB9F connector |
Electrical |
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Input Power: Internal Power Supply: |
120 Vac (+/- 15%), 12A total, 0.7A internal; Built in surge suppressors 24 Vdc @ 300 mAdc for external use |
CPU Board: |
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Analog Inputs: Relay Output: |
Quantity: 2 Type: 4-20 mAdc or -20°F to +300°F Thermistor Quantity: 1 Type: SPDT, 8A, ½ Hp, 120Vac |
Hand-Off-Auto Relay Output (HOA-ROUT) Board: |
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Relay Output: Toggle Switches: LED Indicators: |
Quantity: 5 Type: SPST, 8A, ½ Hp, 120Vac Quantity: 5 Type: Hand-Off-Auto (hard wired) SPDT, 8A, ½ Hp, 120Vac Quantity: 10 Type: “Call for Operation” and “Output Status” |
Auto/Manual Analog Output (A/M-AOUT) Board: |
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Analog Output: Toggle Switches: Control Dial: Bargraphs: |
Quantity: 5 Type: 4-20 mAdc or 0-135 ohm (any combination) Quantity: 5 Type: Auto-Manual Quantity: 5 Type: 0-100% (Manual Potentiometer) Quantity: 5 Type: 0-100%, 10 segment |
Discrete Input (DIN) Board: |
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Digital Inputs: LED Indicators: |
Quantity: 15 Type: 120 Vac, optically isolated Quantity: 15 Type: Status Indication |
| Analog Input (AIN) Board: | |
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Analog Input: |
Quantity: 8 Type: Universal, Switch Selectable as:
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LED Indicators: |
Quantity: 8 Type: Status Indication |
Relay Output (ROUT) Board: |
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Relay Output: LED Indicators: |
Quantity: 8 Type: (2) SPDT, (6) SPST-NO, 8A, ½ Hp, 120 Vac Quantity: 8 Type: Status Indication |

Additional Ordering Information
Specify Pressure Sensor
- P/N 70600 for 0-25 psi with syphon loop
- P/N 70601 for 0-200 psi with syphon loop
- P/N 70602 for 0-500 psi with syphon loop
Specify Thermistor Temperature Sensor
- P/N 70610 for 0-300 F hot water with 4" thermowell
- P/N 70611 for 0-300 F hot water with 8" thermowell
- P/N 70612 for Outside Air Temperature with weatherproof cover
Catalog Number Example
PWC-CDHODAR-31-2P-M-T: PWC with CPU, DIN, HOA-ROUT, DIN, AIN, ROUT Boards, (3) 135 ohm output cards and (2) 4-20 mAdc output cards, Internal Modem and Historical Trending.