{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7 212-1AE40-0XB0/ 6ES7212-1AE40-0XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7-212-1AE40-0XB0--6ES7212-1AE40-0XB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7-212-1AE40-0XB0--6ES7212-1AE40-0XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7%20212-1AE40-0XB0%2F%206ES7212-1AE40-0XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-1200 compact CPU, model 6ES7 212-1AE40-0XB0/ 6ES7212-1AE40-0XB0, 24 V DC, 8 DI, 6 DO, 2 AI, IP20, explosion-proof rated.","salesMarkdown":"## Compact CPU built for the pit The 6ES7 212-1AE40-0XB0/ 6ES7212-1AE40-0XB0: The Siemens 6ES7 212-1AE40-0XB0 is a compact CPU from the SIMATIC S7-1200 family, running on 24 V DC and packing 8 digital inputs, 6 digital outputs, and 2 analog inputs (0 … 10 V DC, 10-bit resolution). It draws 1.2 A from the backplane and delivers 0.5 A per output slot. The IP20 enclosure keeps dust and debris out of the control cabinet, but the real story is the explosion-proof rating — this unit is certified for hazardous environments where combustible dust or gas could be present. Operating temperature spans -20 … 60 °C, so it shrugs off the heat and cold you see in a mill or pit. The 10-bit analog inputs (0 … 10 V DC) give you roughly 10 mV resolution — fine for reading 4-20 mA signals via a shunt resistor or direct voltage from a pressure transmitter. The 8 digital inputs are 24 V DC sinking, and the 6 digital outputs are 24 V DC sourcing at 0.5 A each. That output current handles small relays or indicator lamps directly; for solenoid valves or contactors, add an interposing relay. The explosion-proof rating is the key differentiator: this CPU can sit in a Class I/II, Division 2 area without a purge system, as long as the enclosure and wiring meet the code.","metaTitle":"6ES7 212-1AE40-0XB0/ 6ES7212-1AE40-0XB0 Siemens 6ES7 212-1AE","metaDescription":"Siemens 6ES7 212-1AE40-0XB0 compact CPU, 24 V DC, 8 digital inputs, 6 digital outputs, 2 analog inputs (0-10 V), IP20, explosion-proof rated, active production. Sourced to order ag","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"Type":"CPU/ compact CPU","Model":"6ES7 212-1AE40-0XB0/ 6ES7212-1AE40-0XB0","Weight":"0,3 kg","Current":"1.2 A","Condition":"New","Shelf No.":"240122","Dimensions":"90 X 100 X 75 mm","Resolution":"10 Bit","Manufacturer":"Siemens","Input Current":"6 mA/ Slot","Input Voltage":"24 V DC","Output Current":"0.5 A/ Slot","Output Voltage":"24 V DC","Protection Type":"Explosion Proof","Type of Product":"CPU/ compact CPU","lifecycle_stage":"current","No. of Analog Input":"2","Analog Input Voltage":"0 … 10 V DC","Degree of protection":"IP20","No. of Digital Input":"8","No. of Digital Output":"6","Operating Temperature":"-20 … 60"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$225.00","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f197dc5500844272ef47c2d7b0a90673.pdf","sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7%20212-1AE40-0XB0%2F%206ES7212-1AE40-0XB0/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to this CPU?","answer":"Within the same S7-1200 family, the 6ES7 212-1AE31-0XB0 is a common functional equivalent with identical I/O counts and form factor. The key difference is the firmware version and possibly the explosion-proof rating — verify the hazardous location certification on the replacement before swapping."},{"question":"Where can I buy 6ES7 212-1AE40-0XB0/ 6ES7212-1AE40-0XB0?","answer":"This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm lead time and price."},{"question":"What compliance documentation does Siemens provide for this CPU?","answer":"Siemens typically supplies a Declaration of Conformity covering CE, UKCA, and EAC for the S7-1200 series. The explosion-proof rating implies ATEX or IECEx certification, but specific documentation (RoHS, REACH, UL) should be requested at order time to match your site's compliance requirements."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7-212-1AE40-0XB0--6ES7212-1AE40-0XB0","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/6ES7-212-1AE40-0XB0--6ES7212-1AE40-0XB0 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}}