{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CS1W-CRM21","brand":"Omron","brandSlug":"omron","productSlug":"CS1W-CRM21","canonicalUrl":"https://aoctrl.com/omron/CS1W-CRM21","factsUrl":"https://aoctrl.com/api/mcp/products/CS1W-CRM21","rawCanonicalId":null},"summary":{"shortDescription":"Omron, CS1W Series, Communications Module, CS1W-CRM21, Backplane Mount, CE/UL/Lloyd/NK Approved.","salesMarkdown":"CS1W-CRM21 is a Communications Module in the CS1W series, designed for backplane mounting in Omron CS-series PLC racks. It operates from 0°C to 55°C and carries approvals from CE, Lloyd, NK, and UL — the marine-class societies (Lloyd, NK) hint at a typical use in shipboard or heavy industrial control panels. Termination uses a rectangular connector plus screw terminals, so panel wiring expects both a ribbon or IDC header for the backplane bus and field wiring to the terminal block. The built-in display gives local status readback without a programming terminal. Mounts on the CS-series backplane; rectangular connector carries the bus, screw terminals handle field wiring. Display gives local status during commissioning. Operating ambient range is 0°C to 55°C. No derating curve is provided; assume full load at 55°C.","metaTitle":"Omron CS1W-CRM21 Communications Module, Backplane","metaDescription":"CS1W-CRM21 Communications Module for CS Series, backplane mount, 0–55°C. Active production. Approvals: CE, Lloyd, NK, UL. 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":"CS1W","Weight":"0.419 lb (190.06 g)","Package":"Bulk","Features":"Display","Mounting Type":"Backplane","Approval Agency":"CE, Lloyd, NK, UL","lifecycle_stage":"eol_hot","Termination Style":"Rectangular Connector, Screw Terminal","Operating Temperature":"0°C~55°C","For Use With/Related Products":"CS Series"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$374.40 – $742.36","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/CS1W-CRM21/alternatives.json"},"ai":{"faq":[{"question":"What type of module is the CS1W-CRM21?","answer":"It is a Communications Module, used to add serial or network communication capabilities to an Omron CS-series PLC backplane."},{"question":"What approvals does the CS1W-CRM21 carry?","answer":"It carries CE, Lloyd, NK, and UL approvals. Lloyd and NK are marine classification societies, making it suitable for shipboard and offshore installations."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/omron/CS1W-CRM21","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-CRM21 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}}