GE IC660BBD023-4 GE IC660BBD023-2 GE IC660BBD023-3 GE IC660BBD023-1

The GE IC660BBD023 is a rugged 16-circuit source-type digital I/O block from GE Fanuc’s Genius I/O series, engineered for distributed PLC automation and industrial control panels. Designed for 24 VDC (and 48 VDC) discrete signaling, this module provides versatile interfacing with electromechanical devices, solid-state sensors, and actuators. Each of the 16 channels can be independently configured as a discrete input, tristate input, or output, enabling maximum flexibility in system design while reducing additional hardware requirements. Strong electrical isolation and comprehensive diagnostics help ensure long-term reliability in industrial environments.

Technical Specifications

Specification	Description
Module Type	Source Digital I/O Block
Model	IC660BBD023
I/O Circuits	16 configurable circuits (input, output, tristate)
Operating Voltage	18–56 VDC (24 V / 48 V nominal)
Output Current	2 A per circuit steady state
Max Inrush Current	~10 A (up to ~10 ms)
Load Capability	~15 A total at 35 °C (block)
Required DC Power	~150 mA typical / 300 mA max
Selectable Input Filter	5–100 ms (configurable)
Isolation	~1500 V block-to-block
Diagnostics	Overload, short-circuit, failed switch, open wire, over-temperature
Status Indicators	Block: Unit OK, I/O Enabled; Individual circuit LEDs
Communication	Genius Bus distributed I/O protocol
Dimensions (H × W × D)	224 × 90 × 112 mm (approx. 8.83″ × 3.50″ × 4.42″)
Weight	~1.8 kg (4 lbs)
Operating Temp.	0 °C – 60 °C
Humidity	5 % – 95 % non-condensing

Recommended Related Models

Model	Description
IC660BBD020	24/48 VDC source/sink configurable I/O block
IC660BBD021	Sink-type 16-circuit discrete I/O block
IC660BBD022	Source-type 16-circuit block (another variant)
IC660BBA100	24/48 VDC analog I/O block

Popular GE Genius I/O Components

Category	Representative Models
Genius Controllers	IC660CPU001, IC660CPU002
Analog I/O Blocks	IC660BBA020, IC660BBA023
Discrete I/O Blocks	IC660BBD020, IC660BBD021
Bus Drivers	IC660EBD021

Applications

The IC660BBD023 is engineered to handle discrete signal interfacing in complex control systems:

Distributed I/O expansion in factory automation networks
PLC panels for machine controls with sensors and actuators
Systems requiring configurable circuits for both inputs and outputs
OEM automation equipment with modular I/O needs
Applications where diagnostics and status feedback improve maintainability

This block’s flexibility reduces the need for separate input and output cards, streamlining control architecture while preserving high reliability.

Advantages

Highly configurable channels — Any of the 16 circuits can be set as an input, output, or tristate input, catering to varied logic requirements.
Strong load handling — Up to 2 A per channel with robust inrush tolerance for industrial devices.
Comprehensive diagnostics — Built-in fault detection (open wire, overload, short, overtemp, failed switch) improves safety and uptime.
Configurable input filtering — Reduces noise and contact bounce effects in harsh environments.
Clear LED feedback — Helps technicians quickly identify circuit states during commissioning or maintenance.
Seamless Genius Bus integration — Compatible with legacy GE PLCs and distributed control networks.

Technical FAQs

What discrete voltage range does the IC660BBD023 support?
It operates on 18–56 VDC, typically 24 VDC or 48 VDC.
How many I/O circuits are on this block?
There are 16 discrete circuits that can be configured as inputs, outputs, or tristate inputs.
What load current can each output handle?
Each circuit supports up to 2 A steady state.
Does the block include diagnostics?
Yes — diagnostics include short circuit, overload, open wire, failed switch, and overtemperature detection.
Can it interface with both 2-wire and 3-wire sensors?
Yes — compatible with electromechanical and solid-state 2- or 3-wire sensors.
What communication protocol does it use?
It interfaces via the Genius Bus distributed I/O protocol.
What are the physical dimensions?
Approximately 224 × 90 × 112 mm.
Are individual circuit indicators included?
Yes — LEDs on each circuit and block-level status LEDs are provided.
Is it compatible with legacy GE systems?
Yes — it works with Series 90-30 and other Genius I/O PLCs.
What typical industrial environment can it operate in?
Rated for 0 °C to 60 °C with non-condensing humidity conditions.