IC660BRD025-4 IC660BRD025-3 IC660BRD025-1 IC660BRD025-2

The GE IC660BRD025 is a 32-point sinking output I/O block from the GE Fanuc Genius I/O series designed to manage discrete output loads in complex automation environments. As part of Genius Modular Redundancy (GMR) subsystems, this module delivers robust output control with integrated current sinking capability, making it ideal for high-availability and high-reliability industrial control applications.

Technical Specifications

Specification	Details
Model	GE IC660BRD025
Module Type	Sinking Output I/O Block
Total I/O Points	32 discrete output circuits
Operating Voltage Range	5–48 V DC
Nominal Signal Voltage	5/12/24 V DC
Output Current (per point)	0.5–1.0 A
Maximum Inrush Current	Up to 4.0 A
Total Block Current	Up to ~16 A (dependent on config)
Block Isolation	~850–1500 VAC block-to-block (typical)
Operating Temperature	0–60 °C
Storage Temperature	-40–100 °C
Humidity	5–95% non-condensing
Dimensions (approx.)	224 × 90 × 112 mm
Weight (approx.)	~1.8 kg
Mounting Style	IC660 system base / rack
Status Indicators	Output / module LEDs

This output block is optimized for discrete control where sinking outputs are needed, and it can be configured as part of redundant output group topologies (e.g., H-block groups) within GMR systems.

Recommended Related Models

To build a complete and resilient distributed I/O station around this output block, the following modules are frequently paired:

GE IC660BCM501 – Bus controller for coordinated communication
GE IC660BBS100 / BBS101 / BBS102 / BBS103 – Regulated system power supplies
GE IC660BBR101 – Communication interface module
GE IC660BLM508 – Local control module
GE IC660CHS002 – System base and I/O carrier

This configuration ensures stable power, reliable communication, and flexible I/O control.

Popular Allen-Bradley Models

In multi-vendor environments or for cross-platform comparisons, engineers often refer to the following similar Allen-Bradley I/O components:

Allen-Bradley 1734-OB32E – POINT I/O 32-point discrete output module
Allen-Bradley 1734-OB16E – POINT I/O 16-point DC output module
Allen-Bradley 1734-AENT – Ethernet adapter for distributed I/O
Allen-Bradley 1769-OW16 – Compact I/O DC output module

These serve analogous roles in Allen-Bradley distributed control architectures.

Applications

The GE IC660BRD025 is commonly used in:

Industrial automation systems requiring robust discrete output control
Distributed machine control with local output groups
Material handling and robotics installations
Modular I/O networks with redundancy requirements
GMR output subsystems where redundancy and fault tolerance are crucial

Its sinking output design allows easy integration with field devices that require current sinking to activate loads reliably.

Advantages

High-density outputs: 32 discrete channels support dense control architectures
Wide voltage compatibility: Operates across 5–48 V DC for diverse signal standards
Robust output capability: Up to 1 A per point with 4 A surge tolerance
Modular redundancy support: Compatible with GMR configurations for system resilience
Clear diagnostics: Onboard LEDs simplify status checks and troubleshooting
Seamless system integration: Fits within the GE Fanuc Genius I/O modular ecosystem
Industrial durability: Designed for long service life in demanding conditions

These features help ensure reliable signal control in both standalone and redundant subsystem architectures.

Technical FAQs

What role does the IC660BRD025 serve?
It acts as a 32-point sinking output I/O block in distributed automation systems supporting discrete output loads.
Can this block handle high current loads?
Each point can handle up to about 1 A, with short inrush capability up to ~4 A.
What voltage ranges are supported?
It supports nominal 5, 12, or 24 V DC signalling within a 5–48 V DC operating range.
Is this module suitable for redundancy configurations?
Yes, it is typically used in GMR output groups like H-blocks for redundant output systems.
What diagnostic feedback does it provide?
Status LEDs indicate module and individual output conditions for easy maintenance.
Does it work with Genius bus controllers?
Yes — it integrates seamlessly with the Genius I/O bus and compatible controllers.
How does sinking output differ from sourcing?
Sinking output blocks pull current through the load to ground, common in discrete control designs.
Can it be replaced with a source block?
A source block (e.g., IC660BRD020) is used when outputs must supply current to loads instead of sinking it.
Is it suitable for continuous industrial operation?
Yes — it is designed for typical industrial temperature and humidity conditions.
Where is this module mounted?
It installs in the GE IC660 system base or rack as part of a distributed I/O station.