Here are some key features and specifications of the 1794-IF4I module:

Number of Channels: It has a total of 4 differential analog inputs, meaning it can handle 4 separate input signals.

Input Type: The module supports a wide range of input types, including voltage and current signals.

Input Range: The input range can be configured for each channel independently. The supported ranges can vary from millivolts to volts or milliamps to amps, depending on the input module selected.

Communication: It communicates with the ControlLogix platform over an I/O link interface, allowing for fast and reliable data transfer.

Diagnostic Features: The module provides diagnostics for cable and wiring issues, module errors, and channel status, helping with troubleshooting and maintenance.