The Omron CJ1W-EIP21 is a communication module developed by Omron Automation & Safety for seamless integration with CJ-series PLCs. It features one EtherNet/IP port that supports 100Base-TX network standards and is fully compatible with CIP, FINS/UDP, and FINS/TCP communication protocols. Acting as a high-speed bridge, the CJ1W-EIP21 enables real-time control, data exchange, and monitoring between the PLC and connected field devices. Its RJ45 socket provides straightforward and secure connectivity for Ethernet-enabled equipment, ensuring efficient setup and maintenance. Additionally, the module supports I/O system expansion, enhancing flexibility in large or distributed automation networks. The CJ1W-EIP21 may be utilized in industrial systems across North America, Europe, Asia, and worldwide, offering reliable and scalable Ethernet-based communication for advanced automation environments.