Allen-Bradley 1762-IF4 MicroLogix Analog Input Module

Description

The Allen-Bradley 1762-IF4 is an expansion analog input module designed specifically for the MicroLogix 1200 and MicroLogix 1400 programmable logic controller (PLC) systems. This compact unit interfaces directly with process sensors to convert real-world analog signals into digital values utilized by the controller's user program. It plays a critical role in continuous process control loops, acquiring precise voltage or current measurements from transmitters, transducers, and industrial instrumentation.

Featuring four single-ended input channels, the 1762-IF4 utilizes a high-resolution Sigma-Delta analog-to-digital converter to deliver reliable data conversion. The module supports selectable input types including voltage (-10V to +10V, 0 to 5V, 0 to 10V) and current (4 to 20mA, 0 to 20mA). Data is accessible to the processor as raw/proportional data or scaled-for-PID data formats, enabling seamless integration into temperature, pressure, level, and flow control loops.

Features

• Four single-ended input channels configurable independently for voltage or current signals
• Advanced Sigma-Delta A/D converter architecture for enhanced signal stability and noise rejection
• Selectable data formats including raw/proportional data and engineering units scaled for PID algorithms
• Comprehensive channel diagnostics with bit-reporting for open-circuit, over-range, and under-range conditions
• Direct DIN rail or panel mounting for flexible physical installation within control enclosures
• Compact 1762 expansion form factor optimizing panel space alongside MicroLogix base controllers

Applications

• Monitoring process variables such as tank levels, line pressures, and flow rates via 4-20mA transmitters
• Reading analog temperature signals from signal conditioners in thermal regulation processes
• Providing real-time feedback variables for closed-loop PID control loops within OEM machinery
• Acquiring diagnostic signal data to detect sensor wire breaks or out-of-range field conditions

Technical Specifications

Compliance and Certifications

Standard industrial agency certifications including c-UL-us, CE, and C-Tick for compliant global deployment.