OMRON NX-SIH400 4-Point Safety Input Module for NX Series

The OMRON NX-SIH400 (NX-SIH400) is a safety input module designed for use in programmable logic controller systems and industrial control applications. As part of the OMRON NX series, this unit provides safety input handling to protect equipment and operators across automated production environments. The module features four dedicated safety input points engineered to receive and evaluate digital safety signals with high-speed safety processing capabilities, allowing responsive monitoring of critical machine safety devices. This unit integrates into OMRON industrial control architectures where real-time safety response and input verification are essential. By processing up to four safety inputs rapidly, the NX-SIH400 helps maintain machine safety functions and prevent hazardous operating conditions. Its design supports integration within modular controller setups, providing reliable performance for industrial control boards and safety assemblies. Typical applications include manufacturing machinery, automated assembly systems, and production lines that require dependable four-point safety input monitoring and rapid safety processing within an OMRON PLC infrastructure.