The Allen-Bradley 1791ES-IB8XOBV4/A is a used CompactBlock Guard I/O safety module designed for high-performance safety applications in industrial automation. With 8 safety-rated inputs and 8 safety-rated outputs, this module ensures secure control and monitoring of safety devices, such as emergency stops, safety interlocks, and light curtains. Engineered for seamless integration with Allen-Bradley GuardLogix and CIP Safety networks, it provides fast response times, real-time diagnostics, and reliable performance in manufacturing, robotics, and process automation.