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JC-10D Digital Process Monitor

Application | Overview | Features

The JC-10D Process Bar Graph Indicator and Alarm Monitor is a microprocessor based indicator alarm that can be field configured for a wide variety of applications including: Boiler Draft, Boiler Drum Level, Tank Levels, and Flow Rates.

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JC-10D Process Bar Graph Indicator Alarm Monitor
JC-10D Process Bar Graph Indicator Alarm Monitor

  • Application

The JC-10D is a versatile display monitor with built-in alarm contacts. It accepts a variety of analog input types and provides a bargraph display and alarm contacts. It is ideal for boiler draft, drum level, tank levels, flow rates, operating pressures, temperatures, or any other common process monitoring applications.

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  • Overview

The JC-10D Process Indicator is a microprocessor based indicator alarm that can be field configured for a wide variety of applications. The instrument provides a highly visible backlit LCD display with easy to understand bar graph, scaled numeric display, and front panel alarm messages. Bar Graph scaling, alarm setpoints, and time delays are all field selectable.  Adjustments are made directly from the faceplate of the instrument by scrolling through a user friendly, English language menu. The unit is constructed of rugged polymer housing with a gasketed NEMA 4 faceplate.

Versatile: Field selectable input types: 2 or 4 wire 4-20 mADC, 10k Thermistor, J or K Thermocouple, Potentiometer, 0-2.5 VDC, or Pulser. Thermistors and thermocouples are linearized and cold junction compensated. The Numeric display can be scaled to any desired display range from the front panel.  The Bar graph range and scaling can be set independently from the Input scaling. The 4-20 mADC re-transmission output can be scaled independently as well.  

Alarm Sequences: The 2 alarms can be configured as HI-HI, HI, LO, or LOLO alarms with individually adjustable dead bands and Time Delays. Alarm adjustment is done in scaled engineering units, not percentages. The 2 relay outputs can be assigned as to an alarm or as a common alarm output with alarm silencing logic. Each relay can be configured as auto reset or manual reset.

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  • Features
  • RS485 Modbus Communication

  • 4-20 mADC Retransmission

  • 4 Digit Display

  • 200 Segment Bar Graph

  • Large LCD Graphic Display

  • Field Adjustable Using English Language Menus

  • 2 SPDT Relays For Alarms and Events

  • Flow Totalizer


Power Supply: 120 VAC, +/- 15%, 50/60 Hz, 15 VA

Case Size: 8"H x 3.5"W x 7.5"D

Enclosure Type: NEMA 4 Faceplate

Ambient Temperature: +32° to 122° F

Displays: High Contrast LCD Display, 4" High, 0.5% Resolution Bargraph

Alarm Setpoints: Two (2) Adjustable With Adjustable Time Delays HI-HI, H, L, LO-L Modes, Manual Reset and Alarm Silence Modes 


Input Types: Field Selectable, 4-20 mADC, 100 Ohm Load, Thermistor, -20° to +300° F, Type J Thermocouple, 0-1000° F, Type K Thermocouple, 0-2000° F, Potentiometer, 100 Ohm to 10 Kohm 0-5 VDC

Accuracy: 0.005% Resolution, 0.07% Accuracy

Sensor Power: 24 VDC @ 100 mADC, 15 VDC @ 50 mADC, 2.5 VDC @ 12 mADC 


Relay: Two SPDT Relays 10 A resistive, 8 FLA, ½ HP, 120 VAC

Retransmit: 4-20 mADC, 650 Ohm Load Maximum

Network: 1200 - 38400 Baud; RS485 Modbus, ASCII or RTU 

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