{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6SL3544-0FA20-1PA0","brand":"Siemens","brandSlug":"siemens","productSlug":"6SL3544-0FA20-1PA0","canonicalUrl":"https://aoctrl.com/siemens/6SL3544-0FA20-1PA0","factsUrl":"https://aoctrl.com/api/mcp/products/6SL3544-0FA20-1PA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SINAMICS G120D Control Unit CU240D DP, 6SL3544-0FA20-1PA0, PROFIBUS DP, 6 DI / 2 DQ, IP65, -10 to +55 °C.","salesMarkdown":"This is a Siemens SINAMICS G120D Control Unit, order code 6SL3544-0FA20-1PA0, designated as a spare part for the CU240D DP variant. It communicates via PROFIBUS DP and provides 6 digital inputs, 2 digital outputs, PTC/KTY temperature sensor interface, electromagnetic brake control, MMC interface, and encoder interface. Rated for IP65 protection, it handles ambient temperatures from -10 to +55 °C, making it suitable for distributed drive installations in washdown or dusty environments — think conveyor lines in food processing or material handling where the control unit sits near the motor, not in a clean cabinet. ## Integration Notes Ordered without a Power Module — the CU240D DP is the control brain only. It mates to a compatible SINAMICS G120D Power Module via the internal DC link and interface connector. The IP65 enclosure means it can be mounted directly on the motor or on a machine frame, but the gland plate needs proper sealing to maintain the rating. The MMC (Multi Media Card) slot holds parameter backups and firmware — useful for swap-and-go replacement without re-commissioning. Encoder interface supports motor feedback for closed-loop speed or positioning.","metaTitle":"Siemens 6SL3544-0FA20-1PA0 SINAMICS G120D CU240D DP, IP65","metaDescription":"Siemens 6SL3544-0FA20-1PA0 SINAMICS G120D Control Unit CU240D DP, PROFIBUS DP, 6 DI / 2 DQ, IP65, -10 to +55 °C. Mature lifecycle. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["AC Drives (VFD)"],"specifications":{"lifecycle_stage":"mature"}},"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=386801&mlfb=6SL3544-0FA20-1PA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6SL3544-0FA20-1PA0/alternatives.json"},"ai":{"faq":[{"question":"What is the IP rating and ambient temperature range?","answer":"IP65 protection allows use in washdown and dusty environments, with an ambient temperature range of -10 to +55 °C."},{"question":"Does this control unit include a Power Module?","answer":"No, it is ordered without a Power Module. It requires a compatible SINAMICS G120D Power Module to form a complete drive system."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6SL3544-0FA20-1PA0","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/6SL3544-0FA20-1PA0 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}}