Omron CS1W-EIP21S EtherNet/IP Communication Unit for CS-Series PLCs

Description The Omron CS1W-EIP21S is an EtherNet/IP communication unit designed for Omron CS-Series PLCs, enabling high-speed industrial Ethernet connectivity, large-scale tag data exchange, and secure communication across multi-vendor automation networks. It supports seamless integration with enterprise systems and simplifies controller-to-controller communication without requiring ladder programming for tag data links. Technical Specifications Condition New / Surplus Available Brand Omron Part Number CS1W-EIP21S Category Sensors & Switches Subcategory Sensor Accessory Product Type EtherNet/IP Communication Unit Series CS1W Unit Type CPU Bus Unit Compatible PLCs Omron CS1 Series Communication Protocols EtherNet/IP (CIP), FINS/TCP, FINS/UDP, Socket Services, SNMP Ethernet Interface 10/100Base-T (RJ45) Maximum Tag Connections 256 Maximum Network Nodes 256 Maximum Data per Connection 722 Words FINS/TCP Connections 16 Current Consumption 620 mA at 5 VDC Mounting Location CPU Rack or Expansion Rack Dimensions (W × H × D) 35 × 130 × 101 mm Certifications CE, cULus, Lloyd's, NK Weight 0.40 lbs Information About CS1W-EIP21S The CS1W-EIP21S is a CPU Bus Unit for Omron CS-Series programmable logic controllers, providing advanced EtherNet/IP communication and enterprise-level networking capabilities. It supports up to 256 tag data link connections, high-capacity data exchange, FINS over TCP/UDP, CIP messaging, and SNMP network management. Built-in security features—including user authentication, IP packet filtering, and secure communications—help protect industrial networks. The module installs directly into a CS-Series CPU or expansion rack and integrates easily with Omron CX-One and Network Configurator software. Key Features: CS-Series EtherNet/IP Communication Unit Supports EtherNet/IP (CIP), FINS/TCP, and FINS/UDP protocols Up to 256 EtherNet/IP tag data link connections Supports up to 256 network nodes Integrated RJ45 10/100Base-T Ethernet port Built-in security with user authentication and IP filtering SNMP network monitoring support Online parameter changes without stopping network operation CPU Bus Unit for CS-Series PLCs Ideal for high-speed industrial Ethernet communication The CS1W-EIP21S provides secure, high-capacity industrial Ethernet communication for Omron CS-Series automation systems.