The Omron CJ1W-EIP21S Programmable Logic Controller (PLC) is a Secure EtherNet/IP Unit offering data encryption, authentication, and access control features for industrial network security. It supports 100 Mbps Ethernet communication with advanced diagnostic tools and secure tag data link connections. Designed for safe and efficient data exchange between controllers, it ensures high-speed, secure communication. Manufactured by Omron, part of the Omron Programmable Logic Controller family, available under the Omron CJ1W Series.