Catalog > Allen Bradley 1791-8BR Series B

Allen Bradley 1791-8BR Series B

The Allen Bradley 1791-8BR Series B is an 8 Input/8 Relay Output DC Block I/O Module designed for industrial automation applications. It provides a compact and reliable solution for interfacing digital signals between field devices and a PLC system.

Input Channels8
Output Channels8
Input VoltageDC
Output TypeRelay
SeriesB

Symptoms of Failure:
Common failure symptoms include erratic relay operation and loss of communication with the PLC. To quickly test the module, check the input and output wiring connections for any loose or damaged wires.

Facilities may opt to buy a replacement for the Allen Bradley 1791-8BR Series B instead of upgrading due to its compatibility with existing control systems in applications such as small-scale manufacturing. Maintaining the legacy architecture is cost-effective as it eliminates the need for extensive reprogramming and system downtime.