{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7241-1AH30-0XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7241-1AH30-0XB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7241-1AH30-0XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7241-1AH30-0XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-1200, Communication module CM 1241, RS232, 9-pole D-sub (pin), supports Freeport, IP20, 30 x 100 x 75 mm, -40 to 70 °C.","salesMarkdown":"The Siemens 6ES7241-1AH30-0XB0 is a spare-part Communication Module CM 1241 for the SIMATIC S7-1200 system, providing a single RS232 (V.24) interface via a 9-pole D-sub connector (pin configuration) with Freeport protocol support. Rated for the full S7-1200 environmental envelope: operating temperature from -40 °C to 70 °C, with a permissible change rate of 3 °C/min between 5 °C and 55 °C. The module draws 220 mA from the L5+ logic supply, dissipating a typical 1.1 W — well within the backplane budget for a mixed I/O rack. At 30 mm wide and 100 mm tall, it occupies a single S7-1200 module slot to the right of the CPU. Power loss of 1.1 W typical means negligible heat contribution inside the enclosure — no derating concern even in a densely populated S7-1200 rack. ## Integration note Mounts directly on the S7-1200 DIN-rail assembly, snapped onto the right-side bus connector of the CPU or a preceding signal module. The 9-pin D-sub faces outward for cable access — plan for at least 75 mm clearance behind the panel door to accommodate the connector and cable bend radius. The module is configured entirely through TIA Portal (STEP 7); no DIP switches or rotary address selectors. Freeport protocol is selected in the device configuration, and the serial parameters (baud, parity, data bits) are set in the hardware properties.","metaTitle":"Siemens 6ES7241-1AH30-0XB0 CM 1241 RS232, -40 to 70 °C","metaDescription":"Siemens SIMATIC S7-1200 CM 1241 RS232 communication module, spare part. Single RS232 interface, Freeport support, 30 mm wide, IP20. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC Communication Modules"],"specifications":{"Max.":"70 °C","Min.":"-40 °C","ASCII":"Yes","Depth":"75 mm","Width":"30 mm","Height":"100 mm","Operation, max.":"1 080 hPa","Operation, min.":"795 hPa","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.":"10 m","Interfaces/bus type":"RS 232C (V.24)","Number of interfaces":"1","IP degree of protection":"IP20","Storage/transport, max.":"1 080 hPa","Storage/transport, min.":"660 hPa","Current consumption, max.":"220 mA; From L5+; logic","Vertical Installation, Max.":"45 °C","Vertical Installation, Min.":"0 °C","Horizontal Installation, Max.":"55 °C","Horizontal Installation, Min.":"0 °C","Permissible Temperature Change":"5°C to 55°C, 3°C / minute","Operation at 25 °C without condensation, max.":"95 %"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$60.00 – $80.01","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/0990ab5020283de8561217cbf1baf9a2.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=227879&mlfb=6ES7241-1AH30-0XB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7241-1AH30-0XB0/alternatives.json"},"ai":{"faq":[{"question":"What is the operating temperature range of 6ES7241-1AH30-0XB0?","answer":"The module operates from -40 °C to 70 °C, with a permissible temperature change rate of 3 °C/min between 5 °C and 55 °C."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7241-1AH30-0XB0","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/6ES7241-1AH30-0XB0 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}}