IC660BBA105 5 IC660BBA105-2 IC660BBA105-1

The GE IC660BBA105 is an industrial-grade current-source analog output block from the GE Fanuc Genius I/O family, engineered for distributed automation and process control applications requiring precise 4–20 mA analog outputs. Powered directly from 115 VAC or 125 VDC, this module offers six independent analog output channels with strong electrical isolation, built-in diagnostics, and seamless integration into Genius Bus networks. Its robust performance and configurability make it a dependable choice for interfacing control systems with field actuators such as valves, transmitters, and control loop actuators.

Technical Specifications

Specification	Description
Module Type	Current-Source Analog Output Block
Model	IC660BBA105
Output Channels	6 independent analog outputs
Output Signal	4–20 mA (up to 0–24 mA support)
Resolution	~6 µA
Accuracy	±0.15 % of full scale at 25 °C
Update Rate	~25 ms
Supply Voltage	115 VAC / 125 VDC nominal
Operating Voltage	93–132 VAC / 105–145 VDC
Isolation	~1500 V block-to-block (1 min)
Status Indicators	Unit OK, I/O Enabled LEDs
Communication	Genius Bus protocol (remote I/O)
Heat Dissipation	~12 W max
Terminal Points	32 terminals
Dimensions (H × W × D)	224 × 89 × 100 mm (approx. 8.83″×3.50″×3.94″)
Weight	~1.8 kg (4 lbs)
Mounting	Panel / terminal base

This block does not require an external power supply for the analog current loops — it powers and controls all six 4–20 mA outputs directly from its AC/DC supply.

Recommended Related Modules

Model	Description
IC660BBA100	Analog I/O (4 inputs + 2 outputs) block
IC660BBA101	RTD temperature input block
IC660BBA103	Thermocouple input block
IC660BBA104	Current analog block (4 inputs + 2 outputs)

Popular GE Genius I/O Components

Category	Representative Models
Genius Controllers	IC660CPU001, IC660CPU002
Digital I/O Blocks	IC660BBD010, IC660BBD020
Smart I/O Blocks	Analog and temperature I/O variants
Bus Drivers	IC660EBD024

Applications

The IC660BBA105 is ideal for automation systems requiring stable and accurate analog outputs, especially for:

Driving 4–20 mA field devices such as valves, servos, and actuators
Process control loops with current-loop feedback
Distributed remote analog I/O expansion on Genius Bus networks
Industrial machine control with high-integrity analog signal outputs
Retrofit projects on Series 90-30 and compatible GE PLC platforms

Its ability to source full current loops without additional loop power simplifies panel design and reduces external wiring complexity.

Advantages

Six independent analog outputs in a compact block
Standard 4–20 mA current loop support with up to 0–24 mA range
High resolution and accuracy (6 µA, ±0.15 %) for precise control
Genius Bus compatibility for flexible distributed I/O architectures
Robust diagnostics including over/under-range and feedback error detection
Strong isolation (1500 V) enhances noise immunity and safety
Dual power support (115 VAC/125 VDC) suits diverse industrial environments

Technical FAQs

What kind of signals does the IC660BBA105 output?
It provides six isolated analog current-source outputs (4–20 mA standard).
What power supply does this module require?
The block runs from 115 VAC or 125 VDC — ideal for industrial mains or DC systems.
Do the output loops need a separate power supply?
No — the module powers and sources its own current loops.
What is the resolution of each output channel?
Each output has ~6 µA resolution.
How fast do the outputs update?
Outputs update at approximately 25 ms.
Is electrical isolation provided?
Yes — about 1500 V block-to-block isolation for industrial noise immunity.
What environmental conditions is it rated for?
Rated for typical industrial environments from 0 °C to 60 °C with non-condensing humidity.
How many terminals does the module have?
There are 32 terminal connections for power and outputs.
Can the outputs hold a value if the controller fails?
Yes — configurable hold-last or default output states are available.
Which systems is this module compatible with?
It integrates with Genius Bus controllers and Series 90-30 PLCs.