IC660TBA026-8 IC660TBA026-5 IC660TBA026-6 IC660TBA026-7

The GE IC660TBA026 is a Terminal Base Assembly engineered for use in GE Fanuc Genius I/O distributed control systems. It provides a field-terminating interface for multi-channel analog input signals, specifically designed to support six current-source analog inputs.

By separating field wiring from the electronics assembly, the IC660TBA026 simplifies installation, enhances connection reliability, and improves serviceability of analog I/O blocks in industrial automation applications.

Technical Specifications

Specification	Details
Model	GE IC660TBA026
Module Type	Analog I/O Terminal Base Assembly
Compatible System	GE Fanuc Genius I/O
Wiring Function	Field connection for 6 current-source analog inputs
Terminal Type	Screw-clamp field terminals
Interface to Electronics	Edge connector to matching electronics assembly
Mounting	Plug-in Genius I/O rack or block
Dimensions (W × H × D)	224 × 90 × 100 mm
Weight	0.90 kg (approx.)
Operating Temperature	0 to 60 °C
Storage Temperature	−40 to 100 °C
Environmental Rating	Industrial, non-condensing

Field Wiring and Function

The IC660TBA026 serves as the physical field wiring interface for six current-source analog input channels. Sensor leads and transmitter outputs are terminated at robust screw-clamp terminals, which route the signals to the paired analog electronics module (e.g., IC660EBA026).

This separation between wiring and signal processing helps:

Maintain signal integrity
Reduce noise and connection faults
Enable fast electronics swap-outs without altering field wiring

Recommended Related Models

To complete a reliable current-source analog input block, the IC660TBA026 is typically paired with:

GE IC660EBA026 – Analog input electronics assembly (6 channels)
GE IC660BBA026 – Complete analog block solution
GE IC660BCM501 / BCM101 – Genius bus controller modules
GE IC660BBS100 / BBS101 / BBS102 / BBS103 – System power supply modules

These components work together to provide robust signal acquisition and communication within distributed I/O architectures.

Popular Allen-Bradley Terminal Bases

For engineers working across different automation platforms, similar terminal base components include:

Allen-Bradley 1734-TB – POINT I/O terminal base
Allen-Bradley 5069-TB – Compact 5000 analog terminal base
Allen-Bradley 1794-TB – FLEX I/O terminal base

These terminal bases serve comparable wiring interface roles in other distributed I/O ecosystems.

Applications

The GE IC660TBA026 is especially useful in applications such as:

Industrial process measurement panels
Distributed field I/O racks
Analog transmitter signal integration
Remote plant I/O wiring hubs
Continuous process control and feedback loops

Its design supports secure, organized termination of multiple analog loops in demanding environments.

Advantages

Supports six high-density current-source analog input channels
Screw-clamp terminals deliver secure field connections
Modular design separates wiring from electronics for fast servicing
Compatible with standard Genius I/O infrastructure
Industrial-ready engineering tolerates non-condensing conditions
Simplifies field wiring and minimizes installation errors

These advantages make the IC660TBA026 an effective terminal solution for analog input stations in distributed automation systems.

Technical FAQs

What is the GE IC660TBA026 used for?
It serves as the field wiring interface for six current-source analog inputs in a Genius I/O node.

How are field wires connected?
Using screw-clamp terminals that provide secure mechanical and electrical connections.

Is the terminal base directly connected to analog electronics?
Yes, an edge connector mates with the corresponding electronics assembly.

Can the electronics assembly be replaced without rewiring field cables?
Yes — the modular design allows for electronics replacement without touching field wiring.

What is the operating temperature range?
0 to 60 °C in industrial, non-condensing environments.

Does it provide noise isolation?
Terminal bases organize wiring, but electrical isolation is handled by the paired electronics assembly.

What sensors does it support?
Current-source analog transmitters and devices compatible with the associated input electronics.

Can it be used in remote I/O cabinets?
Yes, it is suitable for distributed and remote I/O installations.

Is any software required to use this terminal base?
No — it is a passive wiring interface. Configuration is handled at the electronics or controller level.

Why use a terminal base instead of direct wiring to electronics?
Terminal bases simplify wiring, reduce labor, improve signal organization, and allow electronics to be swapped without rewiring.

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