{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7211-0BA21-0XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7211-0BA21-0XB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7211-0BA21-0XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7211-0BA21-0XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-200 CPU 221 compact unit, AC power supply, 6 DI DC / 4 DO relay, 4 KB code / 2 KB data, Part # 6ES7211-0BA21-0XB0.","salesMarkdown":"## Compact PLC CPU with Built-In I/O The 6ES7211-0BA21-0XB0 is a SIMATIC S7-200 CPU 221 compact unit with AC power supply, fixed 6 DC inputs and 4 relay outputs, and 4 KB code / 2 KB data memory. The on-board I/O provides 6 digital inputs and 4 relay outputs for direct connection to sensors and actuators. This CPU is designed for standalone or small-network applications where the I/O count fits within the on-board terminals — it is not expandable with additional I/O modules in the S7-200 system.","metaTitle":"Siemens 6ES7211-0BA21-0XB0 S7-200 CPU 221, 6 DI/4 DO","metaDescription":"Siemens SIMATIC S7-200 CPU 221 compact unit with AC power supply, 6 DC inputs, 4 relay outputs, 4 KB code / 2 KB data memory. Order code 6ES7211-0BA21-0XB0.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"title":"6ES7211-0BA21-0XB0","Part #":"6ES7211-0BA21-0XB0","Weight":"0.12 kgs","Category":"Control Devices","description":"SIMATIC S7-200, CPU 221 COMPACT UNIT, AC POWER SUPPLY 6 DI DC/4 DO RELAY 4 KB CODE/2 KB DATA,","Sub Category":"CPU & Control Circuit Boards","Top Category":"Automation and Control Systems","lifecycle_stage":"current"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$141.31","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f197dc5500844272ef47c2d7b0a90673.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=474241&mlfb=6ES7211-0BA21-0XB0"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7211-0BA21-0XB0","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/6ES7211-0BA21-0XB0 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}}