{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CS1W-SLK21","brand":"Omron","brandSlug":"omron","productSlug":"CS1W-SLK21","canonicalUrl":"https://aoctrl.com/omron/CS1W-SLK21","factsUrl":"https://aoctrl.com/api/mcp/products/CS1W-SLK21","rawCanonicalId":null},"summary":{"shortDescription":"Omron CS1W-SLK21 Communications Module, Type Communications Module, Series CS1W, Backplane Mount, CE, CSA, UL.","salesMarkdown":"## What This Module Does in the Rack The Omron CS1W-SLK21 is a Communications Module that sits on the CS1-series backplane, handling network or serial link duties across multiple CPU and I/O configurations. It carries CE, CSA, and UL approvals, so it meets the certification requirements for panels shipping into North American and European markets without a separate agency review. ## Lifecycle Reality for Sourcing The module mounts directly to the CS1-series backplane, using a circular termination style for the link cable — no DIN-rail or panel footprint beyond the rack slot it occupies. It is compatible with multiple CS1 CPU and I/O series, so it can slot into an existing CS1 rack as a drop-in communications node without reconfiguring the backplane layout.","metaTitle":"Omron CS1W-SLK21 Communications Module, Backplane, CE/CSA/UL","metaDescription":"Omron CS1W-SLK21 Communications Module for CS1 PLC series. Backplane mount, CE/CSA/UL approved. Sourced to order against RFQ.","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":"0.667 lb (302.55 g)","Package":"Bulk","Mounting Type":"Backplane","Approval Agency":"CE, CSA, UL","lifecycle_stage":"eol_hot","Termination Style":"Circular","For Use With/Related Products":"Multiple Series"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2,025.65 – $4,280.73","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/CS1W-SLK21/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for CS1W-SLK21?","answer":"No official successor order code is listed in the lifecycle record for the CS1W-SLK21. For a functionally equivalent module in the CS1 platform, confirm the specific link protocol and rack slot compatibility with your application before sourcing a substitute."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/omron/CS1W-SLK21","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-SLK21 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}}