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The GE Fanuc IC200ALG326, also cataloged as the IC200ALG326 Analog Output Module, operates as a dedicated hardware component for multi-channel current-sourcing loop generation within VersaMax platforms. The module executes digital-to-analog signal conversion across 8 single-ended output channels, driving 4-20 mA or 0-20 mA current loops to control field positioners, actuators, and signal re-transmission loops.

Hardware Specifications

Parameter Specification
Model IC200ALG320 / IC200ALG326
Brand GE Fanuc
Origin USA
Weight 0.44 lbs (0.20 kg)
Dimensions Single-slot VersaMax module footprint
Operating Temp 0 deg C to 60 deg C
Power Consumption 50 mA max at 5 VDC (backplane bus); 185 mA max at full scale (external load)
Number of Outputs 8 single-ended current-sourcing channels (1 group)
Output Signal Ranges 4-20 mA (default), 0-20 mA (jumper configured)
Resolution 13-bit / 15-bit internal processing
Update Rate 15 ms maximum
External Power Supply 18 to 30 VDC
External Inrush Current 2 A maximum
Isolation 250 VAC continuous, 1500 VAC for 1 minute
Diagnostic Functions Onboard diagnostics with 2 status LEDs

Backplane Bus Communication Velocity & Firmware Flash Compatibility

The module executes real-time data frame transfers over the VersaMax 5 VDC system backplane, consuming up to 50 mA from internal logic power while converting CPU commands into physical current signals with a maximum update rate of 15 ms. Communication parameters, output range selection, and default fail-safe hold behaviors are initialized directly via host processor software or terminal jumper settings. Operating channels feature continuous frame-to-ground galvanic isolation rated at 250 VAC continuous and 1500 VAC for 1 minute to prevent ground loop noise from corrupting system bus timing.

Frequently Asked Questions

Q: How is the output current range switched between 4-20 mA and 0-20 mA?

A: The default output range is 4 to 20 mA. Operating in the 0 to 20 mA range requires setting a physical hardware jumper on the wiring base terminal structure.

Q: Can the IC200ALG326 be inserted or removed under power (hot-swapped)?

A: Hot insertion is supported by the hardware base, but must be executed strictly aligned and without angular displacement to prevent momentary disruption of backplane power to adjacent modules.

Q: What power draw does the external supply experience when all 8 outputs drive full scale?

A: The external 18-30 VDC user supply draws up to 100 mA with no load connected, and up to 185 mA when all 8 outputs operate at full-scale current output.

Field Installation Guidelines

  1. Mount the module body directly onto the VersaMax carrier or DIN rail slot, verifying positive mechanical alignment with backplane connectors.
  2. Select output signal range limits (4-20 mA vs. 0-20 mA) using the appropriate terminal jumper settings prior to field connection.
  3. Wire field current loops using shielded twisted-pair cabling to prevent inductive coupling and noise interference.
  4. Terminate cable shields directly to system ground or via interposing grounding terminals based on cabinet earth layout guidelines.
  5. Verify external 18 to 30 VDC field supply connections before energizing the system rack.

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