1771-IFE

1771-IFE: Analog Input Module designed for use with Allen-Bradley PLC5, compatible with any chassis.

I/O Configuration

• Input Channels: 8 Differential or 16 Single-Ended.
• Resolution: 12-bit binary; 12 bits plus sign on bipolar ranges.
• Channel Update/Resolution:
  • 18 milliseconds for 8 Differential inputs.
  • 36 milliseconds for 16 Single-Ended inputs.
  • Add 2.12 ms for filtering (8 differential).
  • Add 4.24 ms for filtering (16 single-ended).

Electrical Specifications

• Voltage Range: -10 to 10 Volts DC.
• Current Range: -20 to 20 mA.
• Accuracy: 0.1% of full scale range @ 25°C.
• Typical DC Signal Delay (On): 10 milliseconds.
• Typical DC Signal Delay (Off): 20 milliseconds.
• Typical AC Signal Delay (Off): 24 milliseconds.
• External Power Required: No.

Scan and Data

• Data Format: Natural Binary or BCD scaling to +/- 9999.
• Internal Scan Rate:
  • 12.5 ms for 8 differential inputs (no digital filtering).
  • 25 ms for 16 single-ended inputs (no digital filtering).

Mounting and Compatibility

• Mounting: Rack Mountable.
• Slot Width: 1 Slot.
• Wiring Arm: 1771-WG.

Additional Information

• Backplane Current: 750 mA (External).

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