A-B 1756-IF16 Analog Input Module

Allen-Bradley 1756-IF16 Analog Input Module (ControlLogix)

 

 

The Allen-Bradley 1756-IF16 is a 16-channel analog input module for the ControlLogix platform. It is designed to receive analog signals from field instruments such as pressure transmitters, temperature transmitters, flow meters, and level sensors, and convert them into digital data for PLC processing.

Key Specifications

• Model: 1756-IF16
• Brand: Allen-Bradley (Rockwell Automation)
• Series: ControlLogix 1756
• Product Type: Analog Input Module
• Input Channels:
  • 16 single-ended
  • 8 differential
  • 4 high-speed differential
• Supported Signals:
  • 0–20 mA
  • 0–5 VDC
  • 0–10 VDC
  • ±10 VDC
• Resolution:
  • 16-bit
• Backplane Current:
  • 150 mA @ 5.1V DC
  • 65 mA @ 24V DC
• Isolation Voltage:
  • 250V continuous
• Mounting:
  • ControlLogix chassis
• Terminal Blocks:
  • 1756-TBCH or 1756-TBS6H

What it does (simple explanation)

Field Instruments
(Pressure / Flow / Level / Temperature Transmitters)
↓
1756-IF16 Analog Input Module
↓
ControlLogix CPU
↓
Process Monitoring & Control

The module converts analog field signals into digital values that the PLC can use for control logic, alarms, trending, and SCADA visualization.

Main Functions

• Acquires analog process signals
• Supports voltage and current inputs
• Real-time process monitoring
• Engineering unit scaling
• On-board diagnostics and alarming
• High-accuracy signal conversion

Key Features

• Up to 16 analog input channels
• Supports both current and voltage transmitters
• High-resolution Sigma-Delta conversion
• Configurable single-ended or differential wiring
• Built-in diagnostics and channel monitoring
• Suitable for process and factory automation systems

Applications

• Oil & gas systems
• Chemical plants
• Water treatment facilities
• Power generation plants
• Manufacturing process control
• HVAC and utility monitoring
• SCADA and DCS integration