IC660BBA106 5 IC660BBA106-1 IC660BBA106-2 IC660BBA106-3

The GE IC660BBA106 is a 6-channel current-source analog input block crafted for GE Fanuc’s Genius I/O distributed control architecture. Purpose-built to interface directly with standard industrial 4–20 mA current loop devices, this module delivers high-resolution acquisition with configurable conversion timing and robust diagnostics. Powered from either 115 VAC or 125 VDC, it’s optimal for process automation, remote I/O expansion, and analog signal monitoring in harsh industrial environments.

Technical Specifications

Specification	Description
Module Type	Current-Source Analog Input Block
Model	IC660BBA106
Power Supply	115 VAC / 125 VDC nominal; operating range 93–132 VAC / 105–145 VDC
Analog Inputs	6 isolated current inputs
Supported Signal	4–20 mA (0–25 mA overrange)
Resolution	1 µA
Input Accuracy	±0.1 % full-scale
Input Impedance	~100 Ω
Update/Conversion Time	User-selectable 16.6 ms to 400 ms
Isolation	1500 V RMS channel-to-channel
Status LEDs	“Unit OK” & “I/O Enabled”
Heat Dissipation	~12 W
Communication	Genius Bus - distributed I/O protocol
Dimensions (H × W × D)	224 × 90 × 112 mm (approx. from 8.83″ × 3.56″ × 4.42″)
Weight	~1.8 kg (4 lbs)
Operating Temperature	0 °C – 60 °C
Humidity	5 % – 95 % non-condensing

Recommended Related Models

Model	Functional Description
IC660BBA100	115 VAC/125 VDC Analog I/O block (4 inputs + 2 outputs)
IC660BBA101	115 VAC/125 VDC RTD temperature input block
IC660BBA103	115 VAC/125 VDC thermocouple input block
IC660BBA104	115 VAC/125 VDC mixed current input/output block

Popular GE Genius I/O Components

Category	Representative Models
Genius Controllers	IC660CPU001, IC660CPU002
Analog Input Blocks	IC660BBA100, IC660BBA103
Digital I/O Blocks	IC660BBD020, IC660BBD024
Bus Drivers	IC660EBD024

Applications

The IC660BBA106 is ideally deployed wherever accurate current-loop signal acquisition is critical:

Process automation monitoring (flow, level, pressure)
Factory data acquisition systems with 4–20 mA sensors
Distributed remote I/O expansion in large PLC installations
Environmental control & HVAC feedback loops
Legacy systems migration or retrofit automation requiring robust analog inputs

The block’s high input resolution and configurable conversion timing allow it to balance noise immunity and responsiveness in dynamic process environments.

Advantages

High-resolution current measurement: 1 µA granularity for precise analog acquisition
Dual power flexibility: Supports both AC and DC industrial supplies
Individually isolated channels: Strong 1500 V channel-to-channel isolation enhances safety and reduces noise effects
Configurable conversion timing: Selectable 16.6 ms–400 ms to optimize signal quality
Advanced diagnostics: Built-in overrange, underrange, alarm, and open-wire detection
Genius Bus compatibility: Smooth integration within Genius distributed I/O networks for modular system design

Technical FAQs

How many analog inputs does the IC660BBA106 provide?
It offers 6 independently isolated current inputs for 4–20 mA signals.
What power supplies can this block use?
It runs from 115 VAC or 125 VDC with wide operating voltage ranges.
What is the input resolution?
Resolution is approximately 1 µA, enabling fine signal detail.
Does it have built-in diagnostics?
Yes — diagnostics include underrange/overrange, high/low alarms, and open-wire detection.
Is channel isolation provided?
Yes — each channel is isolated up to 1500 V RMS.
What conversion times are supported?
User-selectable between 16.6 ms and 400 ms.
Where should power connect?
Power connects to dedicated module terminals along with field inputs.
What operating temperature range is supported?
0 °C to 60 °C typical industrial range.
Can it be used with different PLC generations?
Yes — compatible with Genius Bus controllers across Series 90-30 and similar GE PLC platforms.
What is the significance of the user-selectable conversion time?
Longer conversion times improve measurement resolution and noise rejection; shorter times enhance scan speed.