{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6AG1241-1CH30-4XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6AG1241-1CH30-4XB0","canonicalUrl":"https://aoctrl.com/siemens/6AG1241-1CH30-4XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6AG1241-1CH30-4XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIPLUS S7-1200 CM1241 RS-485 Communication Module, 6AG1241-1CH30-4XB0, Conformal Coating, -40 to 70°C, 1.1W.","salesMarkdown":"## Communication module for medial exposure The Siemens 6AG1241-1CH30-4XB0 is a SIPLUS S7-1200 CM1241 communication module providing a single RS-422/485 interface (X.27) for Freeport protocol, with conformal coating for medial exposure environments. This spare-part variant is based on the standard 6ES7241-1CH30-0XB0 but adds conformal coating and extended qualification for harsh atmospheres — same part, different passport, as I tell buyers. The 1.1 W typical power loss keeps the backplane budget lean, and the logic supply draws at most 220 mA from the L5+ bus. Cable length maxes out at 1 000 m on the RS-485 side, which covers most plant-floor daisy chains without a repeater. Altitude derating follows the standard Siemens table: full ratings up to 2 000 m, then 10 K temperature reduction per 1 500 m step beyond. ## Protocol support via TIA Portal library Both USS and ASCII are available as library functions — no custom CFC blocks needed. Existing Freeport code ports directly. ## Panel fit vs similar modules The 30 mm width of this communication module is narrower than the 45 mm analog input modules like 6AG1231-5QD32-4XB0 — they occupy different DIN-rail slots and serve entirely different I/O functions. No substitution or drop-in compatibility. If your BOM called for the analog input, this RS-485 module won’t fit electrically or mechanically.","metaTitle":"Siemens 6AG1241-1CH30-4XB0 SIPLUS CM1241 RS-485","metaDescription":"SIPLUS S7-1200 CM1241 RS-485 communication module, conformal coated, active production. -40 to 70°C, RS-422/485, USS/ASCII via library. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC Communication Modules"],"specifications":{"USS":"Yes; Available as library function","Max.":"70 °C","Min.":"-40 °C","ASCII":"Yes; Available as library function","Depth":"75 mm","Width":"30 mm","Height":"100 mm","Weight, approx.":"150 g","lifecycle_stage":"current","Power loss, typ.":"1.1 W","Fall height, max.":"0.3 m; five times, in product package","Cable length, max.":"1 000 m","Interfaces/bus type":"RS 422 / 485 (X.27)","Number of interfaces":"1","Current consumption, max.":"220 mA; From L5+; logic","Permissible Temperature Change":"5°C to 55°C, 3°C / minute","Ambient air temperature-barometric pressure-altitude":"Tmin ... Tmax at 1 080 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax - 20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=144753&mlfb=6AG1241-1CH30-4XB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6AG1241-1CH30-4XB0/alternatives.json"},"ai":{"faq":[{"question":"Does it support USS or ASCII protocols?","answer":"Yes, both USS and ASCII are available as TIA Portal library functions for the RS-485 port."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6AG1241-1CH30-4XB0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/6AG1241-1CH30-4XB0 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}}