Allen-Bradley 1756-IF16 ControlLogix Analog Input Module

Description

The Allen-Bradley 1756-IF16 is a ControlLogix non-isolated analog voltage and current input module designed to convert analog field signals into digital data for processing by ControlLogix controllers. It provides 16 single-ended, 8 differential, or 4 high-speed differential input channels with selectable input ranges including +/-10V, 0...10V, 0...5V, and 0...20 mA. Operating across the ControlLogix backplane using Producer/Consumer technology, the 1756-IF16 enables efficient input data sharing across multiple controllers on the network without requiring separate polling mechanisms.

Features

• Supports 16 single-ended, 8 differential, or 4 high-speed differential input channels
• Selectable input ranges: +/-10V DC, 0...10V DC, 0...5V DC, and 0...20 mA DC
• On-board digital filtering and input scaling to engineering units
• Real-time sampling with customizable channel scanning speeds
• Under-range, over-range, and wire-off fault detection per channel
• Compatible with 36-pin Removable Terminal Block (RTB) housings

Applications

• Process control monitoring in oil, gas, and chemical facilities
• Temperature, pressure, and flow monitoring systems
• Factory automation analog signal processing
• Water and wastewater treatment monitoring
• Power generation and energy management systems

Technical Specifications

Connections/Interfaces

Installation Guidelines

• Ensure chassis power is off or verify area non-hazardous status before inserting or removing the module.
• Insert the module into any available slot of a ControlLogix 1756 chassis.
• Secure wiring using an approved 36-pin Removable Terminal Block (1756-TBCH or 1756-TBS6H).
• Use shielded twisted-pair cables for analog signal connections to mitigate EMI/RFI noise.
• Connect cable shields to designated shield grounding points as instructed in system documentation.
• Provide adequate chassis clearance to support proper cooling air ventilation.

Compliance and Certifications

• UL Listed Industrial Control Equipment
• CSA Certified Process Control Equipment
• CE Marked for European Directives
• RCM Australian Radiocommunications Compliance
• KC Korean Class A Electromagnetic Compatibility