Allen-Bradley 1734-OB8S DC Safety Output Module

Allen-Bradley 1734-OB8S is an eight-channel POINT Guard I/O safety output module that provides 24 V DC safety-sourcing outputs for field loads. Designed for safety-critical automation, its eight solid-state outputs enable fail-safe switching of connected devices while delivering built-in diagnostics with pulse-test capability and readback to verify channel status. The module operates from a field supply in the 19.2–28.8 V DC range and is intended for use with POINT I/O bases that accommodate eight terminations, enabling compact safety networks alongside other 1734 safety modules. In typical GuardLogix or POINT I/O safety configurations, the OB8S drives 24 V DC safety devices such as interlocks, guards, emergency stop circuits, and safety relays, with each of the eight channels providing independent safety output control. Power is sourced from the 24 V DC field bus, reflecting the module’s designation as a safety digital output for 24 V systems.