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The GE IC660EBA023 is a high-precision Thermocouple Input Electronics Assembly engineered for use in GE Fanuc Genius I/O automation networks. It forms the electronic core of a thermocouple input block, interpreting low-level millivolt signals from thermocouple sensors and converting them into temperature values with configurable compensation and advanced diagnostics. This module supports a wide variety of thermocouple types and integrates seamlessly into distributed I/O systems where accurate thermal measurement is essential.

Technical Specifications

Specification Item	Details
Model Number	GE IC660EBA023
Module Type	Thermocouple Input Electronics Assembly
System Compatibility	GE Fanuc Genius I/O Series
Input Channels	6 thermocouple inputs (3 isolated groups of 2)
Supported Thermocouple Types	J, K, T, E, B, R, S, N
Cold Junction Compensation	Internal and external CJC support
Signal Range	–25 mV to +150 mV
Operating Voltage	18–56 V DC (nominal 24/48 V DC)
Power Consumption	Approx. 9 W
Group Isolation	300 V between input groups
Diagnostics	Open-wire, over/under-range, fault, high/low alarms
Operating Temperature	0 to 60 °C
Storage Temperature	–40 to +100 °C
Relative Humidity	5–95 % non-condensing
Dimensions (W × H × D)	224 × 90 × 100 mm (from equivalent block)
Weight	~1.8 kg (module level, based on complete block info)
Mounting	Mounts to compatible Genius terminal base

Note: The electronics assembly pairs with a dedicated terminal assembly (e.g., IC660TBA023) to complete the thermocouple input block and facilitate field wiring.

Recommended Related Models

To build a reliable thermocouple input station within a Genius I/O system, pair the IC660EBA023 with:

GE IC660TBA023 – Terminal base for thermocouple block wiring
GE IC660BBA023 – Complete thermocouple input block kit
GE IC660BCM501 – Bus controller module for communication coordination
GE IC660BBS100 / BBS101 / BBS102 / BBS103 – System power supply modules

These combinations ensure accurate thermal data acquisition with stable power and reliable communication.

Popular Allen-Bradley Models

For engineers working in mixed or comparative automation environments, similar Allen-Bradley modules include:

Allen-Bradley 1734-IR2 – RTD/thermocouple input module (POINT I/O)
Allen-Bradley 1769-IR6 – CompactLogix temperature input module
Allen-Bradley 5069-IR6 – Compact 5000 thermocouple input module
Allen-Bradley 1756-IR6I – ControlLogix thermocouple input interface

These alternatives provide equivalent temperature sensing support within Allen-Bradley distributed I/O ecosystems.

Applications – Where It Excels

The IC660EBA023 is ideal for:

Industrial thermal monitoring and temperature control
Process control in chemical, food, utility, and refining sectors
Distributed temperature sensing where remote nodes feed data back to a central controller
Machine and system protection relying on precise thermal feedback
HVAC, energy, and environment regulation systems requiring accurate thermocouple integration

Its broad thermocouple support and advanced diagnostics offer flexibility across varied industrial use cases.

Advantages

Supports 8 common thermocouple types, enabling broad application flexibility.
Dual cold junction compensation (internal & external) improves measurement accuracy.
Group isolation enhances noise immunity and signal integrity.
Built-in open-wire, range/limit, and fault diagnostics simplifies maintenance.
Seamless integration with Genius I/O backplane and terminal assemblies.
Compact mechanical footprint boosts flexibility in constrained control cabinets.

Technical FAQs

What does the IC660EBA023 measure?
It captures and conditions thermocouple signals and converts them into temperature values.
How many inputs are supported?
Six thermocouple inputs divided into three isolated groups.
Which thermocouple types are supported?
J, K, T, E, B, R, S, and N types.
What isolation exists between input groups?
Approximately 300 V DC isolation between groups.
Does it handle cold junction compensation?
Yes — it accommodates both internal and external CJC methods.
What power range does it require?
Operates on 18–56 V DC (nominal 24/48 V).
Can it measure low-level signals other than thermocouples?
Yes — it can also measure low-level voltage input signals when appropriately configured.
What diagnostics are provided?
Open-wire detection, internal fault reporting, over-range/under-range, and high/low alarms.
How is the module mounted?
It mounts onto a matching terminal assembly designed for Genius I/O.
Where is IC660EBA023 typically used?
In temperature monitoring, process control loops, and any application needing precise thermocouple input.