Short: Omron CS1W-ETN21 Ethernet unit for CS-series PLCs, supporting 100Base-TX and 10Base-T, with TCP/IP and UDP/IP socket services, FTP, SMTP, and FINS.
Product ModelCS1W-ETN21
Product ID63994
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Reliable Industrial Communication The Omron CS1W-ETN21 ensures stable and efficient communication in industrial automation settings, utilizing 100Base-TX and 10Base-T Ethernet protocols.
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Feature2. Versatile Networking Capabilities Equipped with TCP/IP and UDP/IP socket services, FTP, SMTP, and FINS, this unit offers a wide range of networking functionalities to meet various industrial needs.
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Feature3. Compact Design With dimensions of 35 × 130 × 101 mm, the CS1W-ETN21 is designed for easy integration into CPU racks or expansion racks, maximizing space efficiency in control systems.
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Feature4. High-Speed Data Transfer Supporting a baud rate of 100 Mbit/s (100Base-TX) and 10 Mbit/s (10Base-T), this unit ensures fast data transfer, enhancing the productivity of industrial processes.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
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Parameter
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Alert
CS1 Series Rack PLC part numbers. For assistance to accurately build a CS1 system with these parts please contact your Omron representative, field application engineer or Technical Services Group.
Manufacturer ID
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Feature5. Durable and Reliable Construction Built to withstand industrial environments, the CS1W-ETN21 has a maximum current consumption of 380 mA at 5 V DC and a weight of 200 g, ensuring reliable operation over time.
Omron CS1W-ETN21 Ethernet Unit for CS-Series PLCs - Reliable Industrial Communication | INDSLT
