{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CS1W-EIP21S","brand":"Omron","brandSlug":"omron","productSlug":"CS1W-EIP21S","canonicalUrl":"https://aoctrl.com/omron/CS1W-EIP21S","factsUrl":"https://aoctrl.com/api/mcp/products/CS1W-EIP21S","rawCanonicalId":null},"summary":{"shortDescription":"Omron CS1W-EIP21S, a CS Series Communications Module for backplane mounting with display and RJ45 termination, powered by 24VDC.","salesMarkdown":"The Omron CS1W-EIP21S is a Communications Module for the CS Series PLC rack, mounted directly on the backplane and powered by 24VDC from the rack. An onboard display provides status indication for network diagnostics. Termination is via a single RJ45 port. Approved to CE, cULus, Lloyd, and NK standards, suitable for industrial and marine applications. ## Mounting and power The module installs into any free slot on the CS-series backplane. The 24VDC supply is drawn from the rack; no external power wiring is needed. The RJ45 port supports standard Ethernet cables; use shielded cable for noisy environments.","metaTitle":"Omron CS1W-EIP21S Communications Module, Backplane, 24VDC","metaDescription":"Active production CS series communications module with display, backplane mount, RJ45. CE, cULus, Lloyd, NK approved. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"Type":"Communications Module","Series":"CS","Package":"Bulk","Features":"Display","Mounting Type":"Backplane","Approval Agency":"CE, cULus, Lloyd, NK","lifecycle_stage":"eol_hot","Voltage - Supply":"24VDC","Termination Style":"RJ45","For Use With/Related Products":"CS Series"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c42a3b59869e077945dabc1a8c5a87d9.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/CS1W-EIP21S/alternatives.json"},"ai":{"faq":[{"question":"What is the CS1W-EIP21S's type and series?","answer":"It is a Communications Module from the CS Series."},{"question":"What approvals does the CS1W-EIP21S carry?","answer":"CE, cULus, Lloyd, and NK approvals."},{"question":"What power does the CS1W-EIP21S require?","answer":"The module draws 24VDC from the CS-series backplane; no separate power supply connection is needed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/omron/CS1W-EIP21S","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/omron/CS1W-EIP21S when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}