CS1W-ETN21 Omron Fieldbus Modules & Gateways
KKM Solutions is an independent parts distributor, not an authorized Omron dealer — how we source.
Overview
Part number CS1W-ETN21 from Omron, listed in Fieldbus Modules & Gateways. KKM Solutions quotes this part with pricing and availability confirmed per order.
Omron CS1W-ETN21 Ethernet Communication Module (100BASE-TX) Description: The Omron CS1W-ETN21 is a high-performance Ethernet communication module designed to expand connectivity for CS-series PLCs (Programmable Logic Controllers) . This interface unit enables your PLC system to communicate directly over 100BASE-TX Ethernet networks (10/100 Mb/s) , supporting TCP/IP and UDP/IP protocols for fast, reliable industrial communications. Built with a standard RJ45 connector and designed for easy integration into CS1 CPU and expansion racks, the CS1W-ETN21 allows PLCs to interface with PCs, HMIs, SCADA systems, and other networked devices — enabling functions like FINS messaging, SNTP clock synchronization, FTP file transfer, and remote data access . Though now listed as obsolete by the manufacturer, this Ethernet unit remains a valuable component for maintaining or upgrading legacy Omron PLC networks in manufacturing, processing plants, and industrial automation systems. Key Features Genuine Omron CS1W-ETN21 Ethernet communication module for CS-series PLC systems Supports 100BASE-TX Ethernet (10/100 Mb/s) with TCP/IP and UDP/IP protocols Built-in FINS communications support for PLC networking FTP and SNTP functions for file transfer and clock synchronization Standard RJ45 Ethernet port for simple network connection Designed for mounting on CS1 CPU and expansion racks Typical Applications PLC network integration in industrial automation Remote monitoring and data acquisition Factory production line networking SCADA and HMI communication interfaces Product Details Manufacturer: Omron Automation & Safety Model / MPN: CS1W-ETN21 Product Type: Ethernet communication interface module Ethernet Type: 100BASE-TX (10/100 Mb/s) Connector: RJ45 Protocol Support: TCP/IP, UDP/IP, FINS Condition: New The Omron CS1W-ETN21 Ethernet unit is ideal for professionals and system integrators needing reliable Ethernet connectivity between CS-series PLCs and modern industrial networks. Ethernet Module, 100Base-TX cable, FINS communication service, FTP server functions, socket/mail transmission/mail receive, auto adj. PLC built-in clock, server/host name specification), 5V 0.38A Weight: 0.4kg SKU: CS1WETN21 Delivery: We ship via global express services, such as DHL, Fedex, Swiss Post.
Specifications
| Weight | 400.0 g |
|---|
Product details
| Manufacturer | Omron |
|---|---|
| Manufacturer part number | CS1W-ETN21 |
| Product category | Fieldbus Modules & Gateways |
| Published specifications | 1 attribute listed |
| Related part numbers | 6 other part numbers in this family |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How much does CS1W-ETN21 cost?
CS1W-ETN21 is listed at CA$1,842.38 (CAD) and can be ordered directly from this page with Add to Cart. That figure is a reference price and can change: your card is authorized at checkout and charged only once our order desk confirms the part, stock, and final price, and we email you first if anything has moved. Larger quantities or custom terms — email orderdesk@kkmsolutions.com for a volume quote.
Who manufactures the CS1W-ETN21?
CS1W-ETN21 is made by Omron and is listed in our Fieldbus Modules & Gateways category. KKM Solutions is an independent distributor, not an authorized Omron dealer: we source the exact Omron part number CS1W-ETN21, and the quote confirms condition and lead time before you order.
Is the CS1W-ETN21 new and genuine?
Parts we supply are new and genuine unless the quote expressly states otherwise. Where a part is new-old-stock, from excess inventory, refurbished or open-box, the quote says so before you approve it.
What warranty comes with the CS1W-ETN21, and can I return it?
Parts we supply are warranted against manufacturing defects for 1 year from the date of delivery; where the manufacturer's own warranty is longer, the manufacturer's warranty applies. The warranty covers repair, replacement, or credit of the defective part and does not cover normal wear items, misapplication, improper installation, or consequential damages. Contact us within 30 days of delivery before returning anything — all returns need a return authorization from the order desk.
What is the lifecycle status of CS1W-ETN21?
No published lifecycle status is on file for CS1W-ETN21. Omron lists whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the status with the manufacturer at quote time, before you commit. Send the part number through the quote form on this page.
How much does CS1W-ETN21 weigh?
Per the published specification for CS1W-ETN21: Weight: 400.0 g. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How quickly can CS1W-ETN21 ship?
Lead time for CS1W-ETN21 is quoted per order and confirmed on your quote, which our order desk sends within 1 business day. For a line-down emergency, call the 24/7 order desk at (825) 454-5367.
Variants & Related Part Numbers
Other Omron part numbers in this family:
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