IC660BBA025-3 IC660BBA025-1 IC660BBA025-2 IC660BBA025 5

The GE IC660BBA025 is a robust current-source analog output block from GE Fanuc’s Genius I/O product family, engineered for industrial automation environments where precise analog control is essential. This module delivers six independent analog output channels with excellent resolution and accuracy for driving 4–20 mA current loops — commonly used to control valves, actuators, and other field devices in process control and distributed I/O systems. Its built-in diagnostics, configurable features, and strong electrical isolation make it a reliable and flexible choice for both machine-level and distributed automation projects.

Technical Specifications

Parameter	Description
Module Type	Current-Source Analog Output Block
Model	IC660BBA025
Power Supply	24 VDC or 48 VDC (18–56 VDC range)
Number of Outputs	6 independent analog outputs
Output Signal Range	4–20 mA (0–24 mA maximum)
Output Resolution	6 µA
Output Accuracy	±0.15 % of full scale at 25 °C
Output Update Rate	~25 ms
Isolation	1500 V block-to-block
LEDs	“Unit OK”, “I/O Enabled”
Mounting	Panel / terminal base mount
Dimensions (Approx.)	8.83″ × 3.34″ × 3.91″ (22.44 × 8.48 × 9.93 cm)
Approx. Weight	~1.8 kg (4 lbs)
Operating Temp.	0 °C – 60 °C
Communication	Genius Bus protocol

This block supplies power to its own current loops and requires no separate power source for the 4–20 mA circuits.

Recommended Related Models

Model	Description
IC660BBA020	Analog I/O block with voltage/current support
IC660BBA021	RTD temperature input block
IC660BBA023	Thermocouple input block
IC660BBD020	Digital I/O block

Popular GE Genius I/O Components

Category	Representative Models
Genius Controllers	IC660CPU001, IC660CPU002
Analog Blocks	IC660BBA020, IC660BBA023
Discrete Blocks	IC660BBD010, IC660BBD024
Bus Drivers	IC660EBD024

Applications

The IC660BBA025 excels in industrial systems that require stable, precision analog outputs for process control and automation tasks:

Controlling 4–20 mA actuators such as control valves and proportional devices
Process automation systems requiring accurate current loops
Distributed analog output expansion in manufacturing and plant systems
OEM and machine-level control panels leveraging Genius I/O nodes

Its compatibility with Genius Bus and built-in diagnostics makes it ideal for both new installations and retrofit projects in industrial environments.

Advantages

Six independent high-resolution analog outputs for flexible control
Standard 4–20 mA current loop support widely used in industrial control
Excellent accuracy (±0.15 % FS) and fine resolution (6 µA) for precise signal control
Strong electrical isolation (1500 V) boosts immunity to noise & transients
Configurable via software/HHM, supporting output scaling and feedback options
Robust diagnostics including under/overrange and feedback error detection
Genius Bus compatibility ensures seamless integration into distributed I/O systems

Technical FAQs

What type of outputs does the IC660BBA025 provide?
It provides six analog current outputs supporting standard 4–20 mA loops.
What supply voltage range does the module accept?
The block runs on 18–56 VDC, typically 24 VDC or 48 VDC.
Is any calibration required before use?
No — this module requires no external calibration for standard operation.
What is the output resolution?
Output resolution is approximately 6 microamps, providing fine control.
How fast are output updates?
Outputs update at roughly 25 ms per cycle.
Does the module include diagnostics?
Yes — built-in diagnostics cover overrange, underrange, and output feedback errors.
What isolation rating does it have?
Block-to-block isolation is rated up to 1500 V.
Can outputs be used for voltage as well as current?
Some configurations allow voltage signals, particularly on certain channels, if needed.
Where is this module typically installed?
It mounts on a panel or terminal base in distributed I/O installations.
What environments is it designed for?
Suitable for industrial ambient conditions from 0 °C to 60 °C, with non-condensing humidity conditions.