IC660BBD022 5 IC660BBD022 6 IC660BBD022-1

The GE IC660BBD022 is a robust source-type digital I/O block in the GE Fanuc/Emerson Genius I/O family, engineered for 24 / 48 VDC discrete control networks. With 16 configurable circuits that can be independently used as inputs, outputs, or tristate inputs, this module delivers flexible discrete interfacing for DC logic and field devices — including solid-state sensors, proximity switches, and electromechanical actuators — without needing separate power supplies. Its built-in protective and diagnostic features make it a reliable choice for industrial control panels and distributed PLC systems where high performance and maintainability are priorities.

Technical Specifications

Specification	Description
Module Type	Source-Type Digital I/O Block
Model	IC660BBD022
Number of I/O Circuits	16 discrete channels
Operating Voltage	18–56 VDC (24/48 V nominal)
Load Current (Output)	Up to 2 A per circuit
Max. Inrush Current	10 A up to ~10 ms
Required DC Power	~150 mA typical / 300 mA max
Ripple (Maximum)	~10 %
Selectable Input Filter	10–100 ms
Isolation	1500 V block-to-block
Protection & Diagnostics	Short-circuit, overload shutdown, overtemperature, failed switch, no-load detect, open wire (tri-state)
Indicators	Unit OK, I/O Enabled (block); individual circuit LEDs
Communication	Genius Bus protocol integration via terminal base electronics
Dimensions (H × W × D)	224 mm × 90 mm × 112 mm (approx. 8.83″ × 3.50″ × 3.94″)
Weight	~1.8 kg (4 lbs)
Operating Temp.	0 °C – 60 °C
Humidity	5 % – 95 % non-condensing

Recommended Related Models

Model	Description
IC660BBD020	16-circuit source/sink digital I/O block
IC660BBD021	Sink-type discrete block with similar flexibility
IC660BBD023	Sink logic I/O block variant
IC660BBA100	Analog I/O block for mixed signal handling

Popular GE Genius I/O Components

Category	Representative Models
Genius Controllers	IC660CPU001, IC660CPU002
Discrete I/O Blocks	IC660BBD020, IC660BBD021
Analog I/O Blocks	IC660BBA020, IC660BBA023
Bus Drivers	IC660EBD024

Applications

The IC660BBD022 is ideal for discrete signal control demands where versatility and reliability are required:

Distributed field I/O stations within factory automation networks
Machine control panels interfacing 2-wire/3-wire sensors and switches
PLC systems requiring configurable inputs and outputs on DC voltage
OEM automation equipment needing modular I/O expansion
Systems requiring on-block diagnostics and flexible I/O behavior

Its ability to act as both input and output circuits in a single module reduces the need for extra hardware and simplifies wiring schemes.

Advantages

16 fully configurable circuits — each circuit can function as input, output, or tristate input for maximum design flexibility.
High load capability — supports up to 2 A per circuit and up to 10 A inrush for short bursts.
Comprehensive diagnostics suite — includes open-wire, failed switch, overload, overtemperature, and no-load detection to aid troubleshooting.
Strong DC isolation (1500 V) increases noise immunity and safety in industrial environments.
Selectable input filtering helps reduce noise and bounce on digital signals.
Integrated status LEDs for both block-level and individual circuit visibility accelerate commissioning and maintenance.
Genius Bus compatibility ensures seamless integration with distributed PLC and automation systems.

Technical FAQs

What power voltages can the IC660BBD022 operate on?
It runs on 24 VDC or 48 VDC (18–56 V range), compatible with standard industrial DC control voltages.
How many discrete circuits does it provide?
The block offers 16 configurable discrete circuits.
Can each circuit function as both input and output?
Yes — each channel is configurable as input, output, or tristate input, enabling flexible design setups.
What is the maximum load current per circuit?
Up to 2 A per circuit is supported, with short-duration inrush up to 10 A.
Does this block require a separate power supply?
No — it can source its own power to the circuits without needing a separate block power supply.
What diagnostics features are included?
Built-in diagnostics include short circuit protection, overload detection, failed switch, open wire (tri-state), and overtemperature shutdown.
What form of isolation does it have?
The module features 1500 V block-to-block isolation, enhancing safety and signal integrity.
What is selectable input filter time?
Input filter time can be configured between 10–100 ms to help reduce noise effects.
What LEDs are available for status indication?
LEDs indicate Unit OK, I/O Enabled, and individual circuit states for clear operational feedback.
Where is this block typically used?
It’s widely used in Genius I/O distributed systems in industrial automation for flexible digital signal interfacing.