The Allen-Bradley 1791-8BR is a Block I/O module from the Rockwell Automation 1791 series, designed for distributed control and reliable signal interfacing in industrial automation systems. It features eight 24V DC input channels and eight relay output channels with dry contacts, compatible with both AC and DC voltages. Supporting the Remote I/O (RIO) communication protocol, the 1791-8BR seamlessly connects to RIO scanners and controllers, enabling efficient data exchange and control integration within Allen-Bradley automation networks.