HE693THM884M | GE Fanuc Thermocouple Input | Series 90-30 Module

GE Fanuc HE693THM884M Thermocouple Input Module

Overview

The GE Fanuc HE693THM884M is an advanced thermocouple input module designed for precision temperature measurement and control. Part of the Series 90-30 PLC family, this module is ideal for a wide range of industrial applications, including metallurgy, chemical processing, petroleum, and general automation. Featuring support for a broad variety of thermocouples and RTDs, it offers exceptional accuracy, robust diagnostics, and integration flexibility, making it perfect for applications requiring high-precision temperature monitoring.

Technical Specifications

General Specifications

• Model Number: HE693THM884M

• Product Type: Thermocouple/RTD Input Module

• Power Consumption: 100 mA @ 5 VDC (Typical), 300 mA for full operation

• Weight: 0.45 kg

• Dimensions: 120 × 40 × 150 mm

• Rack Form Factor: Series 90-30 PLC module

• I/O Points Required: 8AI, 8AQ, 16I

Temperature & Measurement Specifications

• Number of Channels: 8 thermocouple input channels

• Supported Sensor Types:

• Thermocouples: J, K, T, E, R, S, B, N

• RTDs: Supported depending on configuration

• Temperature Range:

• Type J: –200 °C to +760 °C

• Type K: –270 °C to +1372 °C

• Other types: –200 °C to +1800 °C 

• Resolution: 0.1 °C increments

• Accuracy: ±0.1% of span (high precision)

• A/D Conversion: High-precision A/D for stable readings

• Scan Rate: Optimized for multi-channel use

Diagnostics & Fault Detection

• Open-Circuit Detection: Registers sensor failure by driving input register to maximum value

• Fault Indication: Available via PLC registers for easy diagnostics

Environmental Ratings

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

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

FAQ

Q1: What thermocouple types does the HE693THM884M support?
The module supports multiple thermocouple types including J, K, T, E, R, S, B, and N, offering flexibility for various industrial applications.

Q2: Can this module handle RTDs?
Yes, the HE693THM884M supports RTDs, though compatibility depends on the configuration.

Q3: What is the scan rate of the HE693THM884M?
The module offers an optimized scan rate for fast, accurate temperature readings across multiple channels.

Q4: Is there any fault detection feature in the HE693THM884M?
Yes, the module includes open-circuit detection, which drives the input register to its maximum value if a thermocouple fails.

Q5: What is the power consumption of the HE693THM884M?
The module typically consumes 100 mA at 5 VDC, with a full operational consumption of around 300 mA.