Allen-Bradley 1734-IB8S Safety Sink Input Module

Allen-Bradley 1734-IB8S is an eight-point safety sink input module in the POINT Guard I/O family, designed for distributed safety control systems that monitor safe digital inputs. It accepts 24V DC nominal safety sink inputs and supports both single-channel and dual-channel safety devices, with individual input-channel LED indicators and built-in channel and system isolation for robust safety signaling. The module is DIN-rail mounted and compatible with POINT I/O terminal bases, communicating over the POINT Guard I/O backplane to enable safe input monitoring for machine protection. Common applications include emergency stop circuits, interlocks, and guard monitoring in automated assembly lines, machine guarding systems, robotic workcells, conveyors, and packaging equipment, as well as interfaces with light curtains and safety relay systems. The 1734-IB8S is used for remote I/O expansion or retrofit of existing POINT Guard I/O installations, helping maintenance teams and system integrators replace faulty safety input modules and maintain reliable safety input detection across automotive plants, food processing lines, material handling systems, and high-speed manufacturing equipment.