Allen-Bradley 1756-IF8H ControlLogix Analog Input Module

The Allen-Bradley 1756-IF8H ControlLogix Analog Input Module is an 8-channel differential analog input card with a built-in HART modem, designed to plug into a 1756 I/O backplane in a ControlLogix rack using a 36-pin interface. Each of the eight channels supports differential input and can handle both current and voltage signals, with HART communications available on the module to interface with field transmitters using the Highway Addressable Remote Transducer protocol on a per-channel basis. Used in process automation to acquire readings from HART-enabled sensors, the 1756-IF8H integrates with Rockwell's Studio 5000 Logix Designer for configuration and tag mapping, delivering scalable, eight-channel analog input data to control applications.