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The GE Fanuc IC200ALG266, also cataloged as the IC200ALG266 Analog Input Module, operates as a dedicated hardware component for multi-channel analog signal acquisition within VersaMax PLC platforms.

Hardware Specifications

Parameter Specification
Model IC200ALG266
Brand GE Fanuc Emerson
Origin USA / Various
Weight 0.11 kg (0.25 lbs)
Dimensions Single-slot VersaMax module width
Operating Temp 0 to 60 deg C
Power Consumption 150 mA maximum from 5 VDC backplane
Input Channel Count 15 single-ended channels (1 group)
Nominal Input Voltage Range -10 VDC to +10 VDC
Analog Resolution 15 bits (0.3125 mV per count)
Input Impedance 100K Ohms
Accuracy +/-0.3% typical, +/-1% maximum of full scale
Channel Update Rate 7.5 ms maximum
Filter Response 32 Hz +/-20% (3dB corner frequency)
Isolation Rating 250 VAC continuous; 1500 VAC for 1 minute
Diagnostic Status OK LED indicator; A/D converter fault detection

Backplane Bus Communication Velocity & I/O Density Scaling

The IC200ALG266 delivers high I/O density scaling by incorporating 15 single-ended analog voltage input channels into a compact single-slot form factor. Bus interface logic maintains optimal backplane bus communication velocity during CPU scan updates, transferring digitized counts at a rate of 7.5 ms across all channels. Operating directly from the 5 VDC backplane supply without requiring external field power, the hardware maintains firmware flash compatibility across VersaMax CPU racks and supports configurable fault-state behaviors upon communication loss.

Frequently Asked Questions

Q: What power source is required to operate the IC200ALG266 analog input channels?

A: The module operates strictly on 5 VDC power drawn directly from the VersaMax PLC backplane (up to 150 mA maximum) and requires no external power supply.

Q: How does the module handle signal conversion errors and diagnostics?

A: Internal diagnostics monitor the A/D converter. If an output exceeds full-scale range by greater than 6%, a conversion fault is flagged and reported to the CPU for bad quality indication.

Field Installation Guidelines

  • Backplane Carrier Engagement: Align the module with the designated VersaMax I/O carrier slot and press firmly until the locking mechanism engages securely with the backplane connector.
  • Signal Line Shielding: Use twisted, shielded pair conductors for all -10 VDC to +10 VDC analog input wiring. Route analog signal lines separately from high-voltage AC lines and inductive loads to suppress cross-talk.
  • Shield Ground Termination: Connect signal cable shields to the carrier ground terminal or protective earth bar at a single point to prevent ground loops and maintain 1500 VAC isolation integrity.

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