The Omron NX-ECC203 Machine Automation Controller is an EtherCAT Coupler Unit enabling high-speed communication between NX I/O modules and EtherCAT networks. It supports Unit Version 1.2 or later modules and ensures synchronized control with Distributed Clock (DC) functionality. Offering fast cycle times and deterministic data handling, the unit is ideal for motion control, robotics and modular machine architectures. Designed for flexible expansion, it supports multiple NX I/O racks while maintaining low jitter communication. Manufactured by Omron, part of the Omron PLC family, and available under the Omron NX Series.