NX-series Safety Controller Technical Documentation

This document describes the Omron NX-series Safety Controller, a stand-alone safety system that meets PLe/SIL3 standards and connects directly to any PLC via EtherNet/IP or standard Ethernet. It highlights the system's scalability (up to 63 I/O units, 256 safety signals), maintainability features like detachable screwless terminal blocks and automatic configuration restart (ACR), and programming flexibility through Sysmac Studio with user-defined function blocks and offline simulation.