Allen-Bradley 1791-16BC Block IO Digital Module

Allen-Bradley 1791-16BC Block I/O Module is a compact 32-point digital I/O block that provides 16 DC inputs and 16 DC outputs at 24 VDC in a single module for distributed control on a Remote I/O network. As a Series B member of the 1791 Block I/O family, it combines a 24 VDC power supply, DC return, chassis ground, a Remote I/O interface, signal conditioning, and status indicators in one rugged enclosure. The 16 inputs are arranged in two groups of eight, while the 16 outputs are driven from the same 24 VDC supply, delivering discrete on/off control for field devices. This module is designed for rack mounting in AB 1791 backplanes and supports typical 24 VDC digital I/O logic used in Allen-Bradley distributed control systems. Common applications include panel-mounted automation tasks that require close-proximity sensing and actuation, enabling efficient expansion of Remote I/O networks without adding separate input and output blocks.