• General Electric HE693THM884G
  • General Electric HE693THM884G
  • General Electric HE693THM884G
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General Electric HE693THM884G Series 90-30 Thermocouple Input Module

General Electric HE693THM884G Series 90-30 Thermocouple Input Module

The HE693THM884G is a high-resolution, 8-channel thermocouple input module designed for the GE Fanuc Series 90-30 PLC platform. This Horner APG-engineered module enables direct connection of J and K type...

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SKU: HE693THM884G
Vendor: General Electric
Category: PLC I/O Module
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The HE693THM884G is a high-resolution, 8-channel thermocouple input module designed for the GE Fanuc Series 90-30 PLC platform. This Horner APG-engineered module enables direct connection of J and K type thermocouples to the PLC, removing the requirement for external signal conditioning hardware such as transmitters or transducers.

Features

  • 8-channel thermocouple input support for J and K types.
  • High-resolution measurement (0.1 degC) with internal analog and digital signal processing.
  • 18-bit integrating A/D conversion with a 5 ms conversion time.
  • Configurable reporting increments (0.5 degC/F or 0.1 degC/F).
  • Integrated alarm monitoring with 16 %I alarm bits (open circuit and setpoint alarms).
  • Backplane-powered design requiring no external excitation for the module.

Applications

  • Heat Treatment: Monitoring furnace, kiln, and oven temperatures for precise thermal profiling.
  • Food & Beverage: Managing pasteurization and baking processes to maintain safety standards.
  • Chemical & Pharmaceutical: Controlling reactor vessel temperatures for sensitive chemical reactions.
  • Plastics: Managing melt temperatures in injection molding to ensure material integrity.
  • Energy: Boiler and exhaust temperature monitoring for improved fuel efficiency.

Technical Specifications

Model HE693THM884G
Channels 8
Supported Types J, K
Resolution 0.1 degC
Power Consumption 100mA @ 5VDC
A/D Conversion 18-Bit Integrating
Conversion Time 5 ms
Scan Rate 40 Channels per second
Input Impedance >20 Mohms
Common Mode Rejection >100 dB
Operating Temperature 0 to 60 degC
Humidity 5% to 95% non-condensing

Installation Guidelines

  • Safety: Always power down the PLC backplane before inserting or removing the module to prevent electrical damage.
  • Mounting: The module is designed for direct insertion into any available I/O slot on a Series 90-30 baseplate.
  • Wiring: Use shielded, twisted-pair extension wiring to ensure maximum immunity against electrical noise and interference.
  • CJC: Ensure the Removable Terminal Board (RTB) is securely seated, as it houses the Cold Junction Compensation sensors necessary for accurate temperature conversion.

FAQ

What is the HE693THM884G?

It is an 8-channel thermocouple input module for the Series 90-30 PLC that allows direct sensor connection, eliminating the need for external transducers.

How is the module powered?

The unit draws its power (100mA at 5VDC) directly from the PLC backplane.

What is the scan rate of this module?

The module features a scan rate of 40 channels per second with an A/D conversion time of 5 ms.