{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7221-1BF10-0XA0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7221-1BF10-0XA0","canonicalUrl":"https://aoctrl.com/siemens/6ES7221-1BF10-0XA0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7221-1BF10-0XA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-200 EM 221 digital input module, 8 DI 24V DC optically isolated, order code 6ES7221-1BF10-0XA0, discontinued product.","salesMarkdown":"The 6ES7221-1BF10-0XA0: It is designed exclusively for S7-21X CPUs, so verify your CPU model before specifying. Because production has stopped, sourcing this module goes through surplus or broker channels.","metaTitle":"Siemens 6ES7221-1BF10-0XA0 EM 221 DI, Discontinued","metaDescription":"SIMATIC S7-200 EM 221 digital input module, 8 DI 24V DC, optically isolated. Discontinued product. Sourced to order against RFQ for legacy S7-200 systems.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Digital Input Modules"],"specifications":{"title":"6ES7221-1BF10-0XA0","Part #":"6ES7221-1BF10-0XA0","Weight":"0.07 kgs","Category":"PLCs and Accessories","description":"SIMATIC S7-200, EM 221 DIGITAL INPUT MOD., OPTICALLY ISOLATED 8 DI, 24V DC, SOURCE INPUT FOR S7-21X CPU ONLY, ** PRODUCT DISCONTINUED **","Sub Category":"Industrial Computer Board","Top Category":"PLCs & HMIs","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$89.15","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/4244e6711ca4776ca4f58c20846e85d2.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=387062&mlfb=6ES7221-1BF10-0XA0"},"ai":{"faq":[{"question":"What are the key specifications of this module?","answer":"It provides 8 digital inputs, 24V DC, optically isolated, for the S7-200 series (S7-21X CPUs only)."},{"question":"Can this module be used with the S7-200 CPU 6ES7212-1FA01-0XB0?","answer":"Yes, it is compatible with S7-21X CPUs such as the 6ES7212-1FA01-0XB0. It expands the input count by 8 optically isolated channels."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7221-1BF10-0XA0","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/6ES7221-1BF10-0XA0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}