{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7954-8LC02-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7954-8LC02-0AA0","canonicalUrl":"https://aoctrl.com/siemens/6ES7954-8LC02-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7954-8LC02-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7, spare part memory card for S7-1x00 CPU/SINAMICS, 3.3 V Flash-EPROM, 4 MB, 2.1×24×32 mm.","salesMarkdown":"The Siemens 6ES7954-8LC02-0AA0 is a 4 Mbyte Flash-EPROM memory card designated as a spare part for SIMATIC S7-1x00 CPUs and SINAMICS drives. It stores the program and data for the controller — the card is what holds the logic that runs the line. The 4 MB capacity is sized for mid-range S7-1500 applications — enough for a multi-axis motion program with HMI recipe data, but not the 32 MB or 256 MB cards used for full machine archives or large data logging. Flash-EPROM type means the card retains the program without battery backup; the 500,000 minimum write/delete cycles covers frequent recipe changes or firmware updates on a production line running several rewrites per shift over years. Data retention is rated 10 years minimum when write/delete cycles stay under 50,000, and drops to 1 year if cycles exceed 450,000 — so for a heavily rewritten card (daily logic changes), plan a replacement at the annual PM interval.","metaTitle":"Siemens 6ES7954-8LC02-0AA0 SIMATIC S7 Memory Card, 4 MB Flas","metaDescription":"Siemens 6ES7954-8LC02-0AA0 spare part memory card for S7-1x00 CPUs and SINAMICS. 4 MB Flash-EPROM, mature lifecycle. Quoted to order against an RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC Accessories"],"specifications":{"Depth":"2.1 mm","Flash":"Yes","Width":"24 mm","Height":"32 mm","Memory size":"4 Mbyte","Type of memory":"Flash-EPROM","Weight, approx.":"3 g","lifecycle_stage":"mature","Number of write/delete operations, min.":"500 000","Data retention (after final programming action), min.":"10 a; If the delete/write processes < 50 000 (1 a if the delete/write processes > 450 000)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$40.02 – $86.00","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=111823&mlfb=6ES7954-8LC02-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7954-8LC02-0AA0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 6ES7954-8LC02-0AA0 and get a price?","answer":"This card is sourced and quoted to order through independent distribution. Submit an RFQ for current pricing and availability."},{"question":"What is the memory size and type of 6ES7954-8LC02-0AA0?","answer":"4 Mbyte Flash-EPROM memory. It retains the program without battery backup."},{"question":"What are the physical dimensions of this memory card?","answer":"2.1 mm depth, 24 mm width, 32 mm height. It fits the memory-card slot on S7-1500 CPUs and SINAMICS units."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7954-8LC02-0AA0","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/6ES7954-8LC02-0AA0 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}}