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The GE IC660BRD020 is a versatile 16-circuit DC source I/O block from the GE Fanuc Genius I/O family, designed to provide reliable interface between a control system and field devices such as sensors, switches, and actuators. With independently configurable circuits and built-in diagnostics, this module supports highly adaptable signal management, making it a strong choice for distributed I/O architectures in manufacturing and process automation environments.

Technical Specifications

Specification	Details
Model	GE IC660BRD020
Module Type	DC Source I/O Block
Number of Circuits	16 configurable circuits
Operating Voltage	18–56 V DC (rated for 24/48 V DC)
Max Current per Circuit	Up to 2 A
Electrical Ripple	≤ 10%
Backplane Current	~150–300 mA
Circuit Isolation	1500 V block-to-block
Protection Features	Overtemperature, overload, failed circuit protection
Input Filter Time	Selectable 10–100 ms
Dimensions (W × H × D)	Approx. 224 × 90 × 112 mm (8.83 × 3.54 × 4.42 in)
Weight	~1.8 kg (approx. 3.22 lbs)
Status Indicators	Unit and individual circuit LEDs
Mounting Style	IC660 rack/system base
Heat Dissipation	~91.5 W at full load

Each of the 16 circuits can be independently configured as an input, tristate input, or output, offering maximum flexibility for diverse system needs.

Recommended Related Models

To build a complete GE Fanuc remote I/O station around this source block, the following modules are often paired with IC660BRD020:

GE IC660CHS002 – System base and I/O carrier
GE IC660BCM501 – Bus controller module
GE IC660BBS100 / BBS101 / BBS102 / BBS103 – System power supply modules
GE IC660BLM508 – Local control module

This combination ensures reliable power distribution, centralized communication, and flexible field signal configuration.

Popular Allen-Bradley Models

When comparing across brands or working in multi-vendor environments, engineers often consider Allen-Bradley I/O and source modules such as:

Allen-Bradley 1734-OB16E – POINT I/O 16-point DC output module
Allen-Bradley 1734-IB16 – POINT I/O 16-point DC input module
Allen-Bradley 1734-AENT – Ethernet adapter for distributed I/O
Allen-Bradley 1769-OW16 – Compact I/O DC output module

These alternatives serve similar roles in Allen-Bradley distributed I/O architectures.

Applications

The IC660BRD020 is used widely in:

General industrial automation systems
Manufacturing production lines with distributed sensors and actuators
Process control environments requiring configurable I/O
Material handling systems with high-density discrete signals
Control systems needing robust LED diagnostics and protection

Its configurable circuits make it ideal for applications where inputs and outputs are frequently re-assigned or require local flexibility.

Advantages

Highly flexible I/O configuration — Each circuit can be input, tristate input, or output
Robust field compatibility — Works with solid-state and electromechanical sensors
Built-in protection and diagnostics — Overtemperature, overload, and circuit-failure detection
Clear visual status feedback — Unit and individual circuit LEDs simplify maintenance
Strong isolation and safety — 1500 V block-to-block isolation enhances reliability
Scalable for complex systems — Fits seamlessly within GE Fanuc Genius I/O frameworks
High current capability — Up to 2 A per circuit supports demanding field loads

These strengths help improve system uptime and simplify commissioning in complex automation installations.

Technical FAQs

What is the GE IC660BRD020 used for?
It provides 16 configurable DC source circuits used to interface control logic with field devices.
Can each circuit act as input or output?
Yes — each of the 16 circuits can be independently configured as input, tristate input, or output.
What voltage range does it support?
The module operates from 18 to 56 V DC and is rated for 24/48 V DC systems.
How much current can each circuit supply?
Each circuit can deliver up to 2 A to field devices.
Is there built-in protection?
Yes — the module includes protection against overloads, overtemperature conditions, and failed circuits.
What kind of diagnostics are available?
LEDs are provided for both unit status and individual circuit condition.
What is the purpose of selectable filter time?
The input filter time (10–100 ms) helps tailor response characteristics to noisy field environments.
Is the module isolated from other I/O blocks?
Yes — 1500 V block-to-block isolation meets industrial safety standards.
Can it be used with both sensors and actuators?
Yes — it supports field sensors and output devices in automated systems.
Where is this module typically installed?
It is installed in GE Fanuc IC660 rack or system base as part of a distributed I/O station.