IC660BBD025V 4 IC660BBD025V 1 IC660BBD025V 3 IC660BBD025V 2

The GE IC660BBD025V (often referenced as IC660BBD025) is a 32-circuit sink-type discrete I/O block in the GE Fanuc/Emerson Genius I/O family, designed for high-density and configurable logic interfacing in industrial automation systems. Supporting 5 V, 12 V, and 24 VDC TTL logic standards, this module enables each circuit to be used as a discrete input, output, or output with feedback, allowing engineers to tailor digital I/O behavior for diverse field devices such as proximity sensors, switches, and pilot lights. Robust diagnostics, integrated LED feedback, and strong electrical isolation enhance reliability and maintainability in demanding control environments.

Technical Specifications

Specification	Description
Module Type	32-Circuit Sink Digital I/O Block
Model	IC660BBD025V (commonly IC660BBD025)
Series	GE Fanuc / Emerson Genius I/O
Number of Circuits	32 discrete channels
Operating Voltage	5 VDC / 12 VDC / 24 VDC TTL-compatible input range (4.9–5.3 V or 10–30 V)
Output Load Current	0.5 A per circuit (steady-state)
Max Inrush	4 A up to ~10 ms per circuit
Total Output Current	~16 A max (all circuits combined)
Input Processing Time	~1.4 ms (plus configurable filter delay)
Selectable Input Filter	Yes — configurable up to ~100 ms
Diagnostics	Short/overload, failed switch, open-wire detection (via HHM)
Status LEDs	Unit OK, I/O Enabled, individual circuit LEDs
Isolation	~850 V block-to-block electrical isolation
Compatible Electronics	IC660EBD025 electronic assembly
Compatible Terminal Base	IC660TBD025
Dimensions (H × W × D)	~224 × 91 × 119 mm (8.83″ × 3.58″ × 4.7″)
Weight	~1.8 kg (4 lbs)
Operating Temp.	0 °C – 60 °C
Humidity	5 % – 95 % (non-condensing)

This block is designed to receive current from field output devices and provide configurable discrete logic functions within distributed PLC control systems.

Recommended Related Models

Model	Description
IC660BBD024	32-circuit source-type digital I/O block
IC660BBD020	16-circuit source/sink digital I/O block
IC660BBD021	16-circuit sink digital I/O block
IC660BBA100	Mixed analog I/O block (4 in / 2 out)

Popular GE Genius I/O Components

Category	Representative Models
Genius Controllers	IC660CPU001, IC660CPU002
Digital I/O Blocks	IC660BBD020, IC660BBD021
High-Density I/O	IC660BBD024, IC660BBD025V
Analog I/O Blocks	IC660BBA020, IC660BBA023

Applications

The IC660BBD025V is ideal for industrial environments requiring high-density and flexible discrete I/O control:

Distributed field I/O stations near machinery or process equipment
PLC logic interfacing for sensors, pushbuttons, limit switches, and indicators
OEM automation panels needing configurable inputs and outputs
Remote digital signal collection for supervisory control systems
Process automation discrete control drives and feedback loops

Its flexible voltage support and configurable circuit modes enable use with TTL logic and standard DC control voltages, making it adaptable across a variety of legacy and modern systems.

Advantages

Versatile multi-voltage support: Accepts 5 V, 12 V, and 24 VDC logic levels with TTL compatibility.
High density: 32 configurable circuits reduce panel real estate while increasing I/O capacity.
Configurable I/O: Circuits can be programmatically set as inputs, outputs, or with feedback behavior.
Fast response and filtering: ~1.4 ms base processing with selectable filter enhances signal reliability.
Advanced diagnostics: Block and per-circuit LEDs plus handheld monitor support simplify maintenance.
Strong isolation: ~850 V block-to-block isolation improves electrical safety and noise immunity.
Seamless Genius Bus integration: Works with legacy GE PLCs (Series 90-30, etc.) using the Genius Bus protocol.

Technical FAQs

What logic voltages does the IC660BBD025V support?
It supports 5 V, 12 V, and 24 VDC TTL logic levels for discrete signals.
How many discrete I/O channels are available?
This block provides 32 independent circuits configurable as inputs or outputs.
What is the typical output current rating per circuit?
Each circuit can handle up to 0.5 A steady-state.
Can this block interface with both 2-wire and 3-wire sensors?
Yes — compatible with a wide range of 2-wire and 3-wire proximity and discrete sensors.
What is the typical input processing time?
Base input processing is approximately 1.4 ms, plus configurable filtering.
Does it provide diagnostic feedback?
Yes — block-level and individual circuit LEDs support real-time status and troubleshooting.
What isolation rating does the module have?
The block features approximately 850 V of electrical isolation.
What environmental conditions can it withstand?
Designed for 0 °C to 60 °C operation with up to 95 % non-condensing humidity.
Is this block compatible with legacy PLCs?
Yes — it integrates with Genius Bus controllers including Series 90-30 systems.
How is this block configured?
Configuration and diagnostics can be performed via a handheld monitor (HHM) or commissioning software.