HE693RTD660 by GE Fanuc | Precision RTD Board for 90-30 Racks

GE Fanuc HE693RTD660 RTD Input Module – Product Description

Product Overview

The GE Fanuc HE693RTD660 is a six-channel RTD input module designed for Series 90 PLC systems that require dependable temperature measurement. It supports direct RTD sensor wiring, allowing operators to capture precise temperature data without additional transmitters. Moreover, the module integrates advanced signal processing to maintain measurement stability even in environments affected by electrical noise. Its rugged construction and conformal coating also ensure consistent performance in demanding industrial applications.

Technical Specifications

General Information

• Manufacturer: GE Fanuc

• Model Number: HE693RTD660

• Series: GE 90-30 PLC I/O Modules

• Product Type: RTD Input Module

• Status: Discontinued by Manufacturer (aftermarket supply available)

• Weight: 0.60 lbs

Input Channels & Sensor Support

• 6 isolated RTD input channels

• Supports Pt100, Pt200, Pt500, Pt1000

• Supports select nickel and copper RTDs

• Direct sensor wiring without external transmitters

Measurement Performance

• Resolution options: 0.05 °C / 0.1 °C / 0.5 °C

• Accuracy: ±0.3 °C across supported ranges

• Factory-calibrated for ±0.1 °C precision

• 18-bit conversion hardware

Electrical & Isolation

• Channel-to-bus isolation: 1500 VAC

• Robust noise immunity for industrial PLC systems

Diagnostics & Monitoring

• Overrange detection

• LED indicators for each channel

• Fully processed values sent to PLC registers

• Configurable via GE Proficy software

Physical & Environmental

• Standard Series 90 rack-mount module

• size: 120 × 80 × 40 mm

• Operating temperature: –40 °C to +70 °C

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

• Conformal coating for dust and moisture protection

FAQ

1. Does the HE693RTD660 support platinum and nickel RTDs?
Yes, it supports Pt100, Pt200, Pt500, Pt1000 and several nickel or copper types.

2. Can I configure the resolution through GE Proficy software?
Yes, resolution and sensor type are easily adjustable within the software.

3. Is the module isolated for noise-critical environments?
It includes 1500 VAC isolation to protect the PLC backplane from faults.

4. Is this module still manufactured by GE Fanuc?
No, it is discontinued, but aftermarket supply and warranties remain available.

5. What accuracy can operators expect?
The module maintains ±0.3 °C accuracy and even tighter performance in calibrated ranges.