Allen-Bradley 1791D-0B16PX is a distributed I/O module in the 1791D family, designed to extend a Rockwell Automation control system with additional remote inputs and outputs. It functions as an interface for field signals within an industrial automation network, enabling centralized monitoring and control of devices connected to the distributed I/O system. The model designation 1791D-0B16PX identifies this specific module variant within the 1791D lineup, used where scalable, modular I/O expansion is required.
