{"product_id":"omron-cs1w-etn21-cs-series-ethernet-unit","title":"Omron CS1W-ETN21 CS Series Ethernet Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eIntegrating programmable logic controllers into enterprise networks requires reliable, high-speed communication interfaces. The \u003cstrong\u003eOmron CS1W-ETN21\u003c\/strong\u003e is a robust \u003cstrong\u003eEthernet unit\u003c\/strong\u003e designed specifically for the Omron CS-series PLCs. Acting as a CPU Bus Unit, this module provides 100BASE-TX (and 10BASE-T) communication interfaces to seamlessly bridge your industrial automation setup with local area networks, SCADA systems, and high-level industrial software.\u003c\/p\u003e\n\n\u003cp\u003eWith its robust support for various protocols and communication services, the \u003cstrong\u003eCS1W-ETN21\u003c\/strong\u003e enables advanced operations such as FINS (Factory Interface Network Service) communications, TCP\/IP and UDP\/IP socket services, and an integrated FTP server. This versatility allows engineering teams to perform remote programming, diagnostics, and high-capacity data transfers with minimal system overhead.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Omron CS1-series PLC systems as a CPU Bus Unit.\u003c\/li\u003e\n  \u003cli\u003eSupports dual-rate physical connections: 100BASE-TX and 10BASE-T.\u003c\/li\u003e\n  \u003cli\u003eSupports up to 4 Ethernet modules per CPU system (including Expansion Racks) for scalable network architectures.\u003c\/li\u003e\n  \u003cli\u003eEmbedded FTP server functionality allows direct file transfers of PLC memory files.\u003c\/li\u003e\n  \u003cli\u003eEnables FINS messaging over both TCP\/IP and UDP\/IP protocols.\u003c\/li\u003e\n  \u003cli\u003eComprehensive diagnostic and monitoring capabilities through integrated status LEDs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-speed manufacturing data collection and factory-floor integration.\u003c\/li\u003e\n  \u003cli\u003eSCADA and HMI communications in automotive, food \u0026amp; beverage, and material handling systems.\u003c\/li\u003e\n  \u003cli\u003eRemote PLC programming, monitoring, and program backup operations.\u003c\/li\u003e\n  \u003cli\u003eData exchange between disparate distributed control systems over Ethernet networks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eOmron\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCS1W-ETN21\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eUnit Classification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCS-series CPU Bus Unit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePhysical Layer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e100BASE-TX, 10BASE-T\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTransmission Media\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCategory 5 or higher twisted-pair cable (shielded)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMaximum Number of Units\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e4 units maximum (including Expansion Racks)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e380 mA maximum at 5 V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSupported Services\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eFINS communications (TCP\/IP and UDP\/IP), FTP server, Socket services, Mail send\/receive, DNS client\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e35 mm x 130 mm x 101 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInterface \/ Indicator\u003c\/th\u003e\n      \u003cth\u003eDescription\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRJ45 Port\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e8-pin modular connector for 100BASE-TX\/10BASE-T Ethernet connection\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRUN LED\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eGreen indicator showing normal unit operation status\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eERC LED\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eRed indicator signaling an internal unit error or configuration issue\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eERH LED\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eRed indicator signaling an error in CPU Bus Unit communication or setup\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eLNK\/ACT LED\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eYellow indicator displaying network link establishment and transmission activity\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsure the PLC rack power supply is completely switched off before inserting or removing the Ethernet unit.\u003c\/li\u003e\n  \u003cli\u003eSecurely mount the unit into the assigned CPU Bus Unit slot on the CS1 CPU Rack or Expansion Rack.\u003c\/li\u003e\n  \u003cli\u003eUse high-quality shielded twisted-pair (STP) Category 5 (or higher) cables for 100BASE-TX connections to prevent electromagnetic interference in high-noise environments.\u003c\/li\u003e\n  \u003cli\u003eProperly ground the PLC rack system to the industrial-grade earth ground terminal to stabilize communications and prevent transient voltage damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE Compliant\u003c\/li\u003e\n  \u003cli\u003eUL Listed\u003c\/li\u003e\n  \u003cli\u003ecULus Certification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077911044459,"sku":"CS1W-ETN21","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/CS1W-ETN21-vxblarurnbo.png?v=1775733698","url":"https:\/\/www.plcprotech.com\/fa\/products\/omron-cs1w-etn21-cs-series-ethernet-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}