Allen-Bradley ControlLogix 1756-IF16 Analog Input Module

High-Performance Analog Input for ControlLogix Systems

The Allen-Bradley 1756-IF16 is a versatile analog input module from Allen-Bradley’s ControlLogix series. It supports multiple input configurations and high-resolution signal processing for demanding applications.

Input Channel Configuration

• 16 single-ended channels
• 8 differential channels
• 4 high-speed differential channels

Supported Signal Ranges

• ±10V, 0–10V, 0–5V, and 0–20 mA
• Handles a variety of analog input types
• Adapts easily to diverse field signals

Input Resolution

• ±10.25V: 320 µV/count (15-bit + sign)
• 0–10.25V: 160 µV/count (16-bit)
• 0–5.125V: 80 µV/count (16-bit)
• 0–20.5 mA: 0.32 µA/count (16-bit)

Module Performance

• Settling time: Less than 80 ms
• Scan time:
  • 16-pt single-ended: 16–488 ms
  • 8-pt differential: 8–244 ms
  • 4-pt high-speed diff: 5–122 ms

Electrical Requirements

• Backplane current (5.1VDC): 150 mA
• Backplane current (24VDC): 65 mA
• Total power: 2.33 W max

Data and Conversion

• Conversion type: Sigma-Delta
• Data format: Integer (2’s complement), IEEE 32-bit floating point

Installation Details

• Use with RTB models: 1756-TBCH or 1756-TBS6H
• Module fits seamlessly into ControlLogix chassis

Additional Information

• Off-state max input current: 1.5 mA
• Power dissipation: Up to 3.9 W (current mode)
• UPC: 10612598171788