GE IC660EBA101 | RTD Input Electronic Assembly

This RTD input assembly measures temperature from six resistance sensors. It serves the Genius I/O product family for precision thermal monitoring. The unit connects directly to the Genius bus for remote temperature acquisition.

Technical specifications

Parameter	Specification
Brand	GE Fanuc
Model	GE IC660EBA101
Product Family	Genius I/O
Category	RTD Input Electronic Assembly
Number of Channels	6 (six) independent inputs
Supported RTD Types	PT100 (100 Ω platinum)
Temperature Range	-200°C to +850°C
Measurement Resolution	0.1°C
Accuracy	±0.5°C at 25°C ambient
Wiring Configuration	2-wire, 3-wire, or 4-wire
Excitation Current	1 mA (constant current source)
Update Rate	100 ms per channel
Bus Type	Genius LAN (153.6 kbaud)
Power Supply	24V DC external
Current Consumption	200 mA typical
Status Indicators	2 LEDs (PWR, I/O OK)
Number of Components	1 housing, 6 RTD circuits, 1 bus controller
Dimensions (L x W x H)	Approx. 20 cm x 12 cm x 6 cm
Weight	Approx. 0.5 kg
Energy Storage	None (no battery or capacitor)
Operating Temperature	0°C to 55°C
Protection Rating	IP20 (open enclosure)

Detailed Technical Analysis

This RTD input assembly measures temperature using PT100 platinum sensors. It provides six independent channels for multiple measurement points. Each channel delivers 0.1°C resolution for precise thermal monitoring. The unit achieves ±0.5°C accuracy at room temperature conditions.

Now let us examine its wiring flexibility. The GE IC660EBA101 supports 2-wire, 3-wire, and 4-wire RTD configurations. The 3-wire and 4-wire methods compensate for lead resistance errors. This compensation ensures accurate readings over long cable runs. The assembly supplies a constant 1 mA excitation current to each sensor.

The unit communicates over the Genius LAN at 153.6 kbaud. It draws 200 milliamps from a 24V DC external supply. The GE IC660EBA101 contains no batteries or capacitors for energy storage. Two LED indicators show power status and communication health. The unit updates each channel every 100 milliseconds.

Installation and Wiring Guidelines

You mount this assembly on a DIN rail inside a control cabinet. Connect the 24V DC power supply to the designated terminals. Wire each RTD sensor according to your chosen configuration. The GE IC660EBA101 uses screw terminals for all field connections.

For 3-wire RTDs, connect all three wires to the correct terminals. This configuration cancels lead resistance errors effectively. Keep RTD wiring separate from high-power AC cables. Use shielded cable for runs longer than 30 meters.

Practical Applications

Engineers use this module for temperature monitoring in industrial processes. For example, you can measure bearing temperatures on large rotating machinery. The GE IC660EBA101 also suits HVAC systems and heat treatment furnaces. Its six channels provide efficient thermal monitoring for multiple zones.

Summary

To conclude, this RTD input assembly measures six PT100 temperature sensors. It weighs 0.5 kilograms and requires a 24V DC supply. Choose GE IC660EBA101 for precise temperature measurement in Genius I/O systems.