{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CS1W-PRM21","brand":"Omron","brandSlug":"omron","productSlug":"CS1W-PRM21","canonicalUrl":"https://aoctrl.com/omron/CS1W-PRM21","factsUrl":"https://aoctrl.com/api/mcp/products/CS1W-PRM21","rawCanonicalId":null},"summary":{"shortDescription":"Omron CS1W-PRM21 Profibus-DP Master Communications Module for CS Series, backplane mounting, D-Sub termination.","salesMarkdown":"## Integrator brief The Omron CS1W-PRM21 is a Profibus-DP Master Communications Module that slots onto the CS Series backplane, terminated via D-Sub. It pulls Profibus-DP fieldbus into the rack’s control logic. Rated for 0°C to 55°C operation, it lives in the conditioned cabinet environment typical of a CS1W rack.","metaTitle":"Omron CS1W-PRM21 Profibus-DP Master, Backplane","metaDescription":"CS1W-PRM21 Profibus-DP Master Communications Module for CS Series, backplane mount. Active lifecycle, sourced to order. Request RFQ for current lead time.","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":"0.413 lb (187.33 g)","Package":"Bulk","Mounting Type":"Backplane","lifecycle_stage":"eol_hot","Termination Style":"D-Sub","Operating Temperature":"0°C ~ 55°C","For Use With/Related Products":"CS Series"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$728.89","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/CS1W-PRM21/alternatives.json"},"ai":{"faq":[{"question":"What type of module is the CS1W-PRM21?","answer":"It is a Communications Module — specifically a Profibus-DP Master for the CS Series PLCs."},{"question":"Can the CP1W-32ET replace the CS1W-PRM21?","answer":"No. The CP1W-32ET is a 32-point output module for CP/CJ series, not a Profibus-DP master. It uses DIN rail mounting and screw terminals, not backplane and D-Sub."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/omron/CS1W-PRM21","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-PRM21 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}}