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GE Fanuc IC200ALG230 VersaMax Analog Input Module

The GE Fanuc IC200ALG230, also cataloged as the IC200ALG230 Analog Input Module, operates as a dedicated hardware component for multi-range process variable digitization within VersaMax PLC and Network Interface Unit architectures. The module converts field transmitter signals across 4 single-ended channels into 12-bit digital values, routing real-time data directly to the local CPU or distributed I/O station backplane.

Hardware Specifications

Parameter Specification
Model IC200ALG230
Brand GE Fanuc / Emerson
Origin USA
Weight 0.14 kg
Dimensions 110 mm x 66.8 mm x 50 mm
Operating Temp 0 to 60 deg C
Power Consumption 125 mA at 5 VDC backplane supply (+24 VDC external for current loop)
Input Channels 4 single-ended channels
Resolution 12-bit (1 part in 4096)
Signal Ranges 0 to +10 VDC, -10 to +10 VDC, 4 to 20 mA
Input Impedance >1 Mohm (Voltage), 250 ohm (Current)
System Accuracy +/-0.25% of full scale at 25 deg C
Response Time 5.0 ms (0.4 ms update rate)
Isolation 250 VAC continuous; 1500 VAC for 1 min (field group to backplane)

Backplane Bus Communication Velocity & Firmware Integration

The IC200ALG230 leverages the high-speed VersaMax backplane bus communication velocity to execute frame updates within 0.4 ms across all 4 input channels. Embedded firmware flash compatibility maintains automatic configuration mapping between the module and VersaMax CPUs or Ethernet Network Interface Units (NIU). The board incorporates 125 mA backplane current management and group-to-backplane isolation rated at 1500 VAC to maintain deterministic data delivery without signal cross-talk or backplane bus dropouts.

Frequently Asked Questions

Q: How is the IC200ALG230 switched from voltage sensing to 4-20 mA current mode?

A: Current inputs require placing physical hardware jumpers across the designated input channel terminals on the carrier board alongside matching software range selections.

Q: Can the IC200ALG230 be inserted or removed while backplane power is active?

A: Hot-swapping is supported only when the module is mounted on a compatible VersaMax I/O carrier, provided field-side sensor power is isolated prior to module extraction.

Q: What diagnostic flags does the module report back to the VersaMax CPU?

A: The onboard logic monitors power status and reports internal power loss events along with software configuration out-of-range errors to the main controller fault table.

Field Installation Guidelines

Snap the IC200ALG230 module into its designated VersaMax I/O carrier until the latch mechanism engages firmly with the backplane connector. Ensure field power is de-energized before wiring signals. Connect shielded twisted-pair cables to the carrier terminals, maintaining separate wire routing from high-voltage AC cables inside the enclosure. Ground all cable shields to the cabinet ground bar at a single point to mitigate ground loops. Verify external 24 VDC power supply polarity when powering 4-20 mA current loops to ensure accurate ADC conversions.

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