Discontinued HE693THM809 | GE Fanuc Thermocouple I/O Module

GE Fanuc HE693THM809 Thermocouple Input Module

Product Overview

The GE Fanuc HE693THM809 is an 8-channel thermocouple input module designed for Series 90‑30 PLCs. It provides precise temperature monitoring across multiple industrial applications, including factory automation, process control, and utilities. Moreover, its direct connection for thermocouples eliminates the need for external signal conditioning, simplifying installation. Although discontinued by the manufacturer, it includes a Radwell 2-year warranty for enhanced reliability.

Technical Specifications

Input Channels

• 8 thermocouple input points

• Direct connection to thermocouple sensors

Supported Thermocouple Types

• J, K, T, E, R, S, B, N

Resolution & Accuracy

• Resolution: 0.5 °C or 0.5 °F increments

• Accuracy: ±1 °C depending on sensor type

Temperature Ranges

• Type K: –200 °C to +1,200 °C

• Other types vary according to industrial standards

Diagnostics & Fault Detection

• Open-circuit detection drives %AI register to maximum value

• Fault indication via data registers

Data Handling

• Temperature values reported directly to PLC %AI I/O table

• Configurable in °C or °F

Power Requirements

• Supplied via PLC backplane

• Typical consumption: 300 mA at 5 VDC

Physical Specifications

• Dimensions: 120 × 40 × 150 mm

• Weight: 0.45 kg

• Standard Series 90‑30 rack module

Environmental Ratings

• Operating temperature: 0 °C to +60 °C

• Storage temperature: –40 °C to +85 °C

• Humidity: 5–95% non‑condensing

FAQ

1. How many channels does the HE693THM809 support?
It provides 8 thermocouple input channels for temperature monitoring.

2. Which thermocouple types are compatible?
J, K, T, E, R, S, B, and N thermocouples are fully supported.

3. Can it detect open-circuit thermocouples?
Yes, the module drives the %AI register to maximum value upon sensor failure.

4. What resolution and accuracy does it provide?
It offers 0.5 °C resolution with ±1 °C typical accuracy depending on the thermocouple type.

5. Is it compatible with Series 90‑30 PLCs?
Yes, it integrates directly with Series 90‑30 rack modules for industrial automation.