The Allen Bradley 1756-IF8H is a module designed for the ControlLogix series of programmable logic controllers (PLCs) by Allen Bradley. This module provides analog input functionality and is specifically designed for high-density applications. It offers eight differential analog input channels with a 16-bit resolution and a voltage/current input range of -10V to +10V or 0-20mA.

The 1756-IF8H module features a high-speed backplane communication rate, allowing for quick data transfer between the module and the PLC. It also supports a range of diagnostic and troubleshooting features, including channel status indicators and fault detection capabilities.

With its compact design and high-performance capabilities, the 1756-IF8H module is suitable for various industrial automation applications, such as monitoring and controlling analog sensors and devices.