{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7212-1AF40-0XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7212-1AF40-0XB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7212-1AF40-0XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7212-1AF40-0XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens S7-1200 CPU 1212C, 6ES7212-1AF40-0XB0, failsafe-capable, 2 MB integrated memory, OPC UA server, PROFIsafe, -40 to 70 °C, cULus, CE.","salesMarkdown":"## CPU 1212C with failsafe and extended temperature The Siemens 6ES7212-1AF40-0XB0 is a CPU 1212C from the S7-1200 family, with 2 Mbyte of integrated program and data memory — enough for mid-size applications that mix standard and safety logic. It supports LAD and FBD programming with failsafe capability, and includes PROFIsafe for safety-related I/O over PROFINET. That means one CPU handles both standard and safety control without a separate safety relay or F-CPU. ## OPC UA and connection budget for vertical integration An integrated OPC UA server allows direct data exchange with SCADA, MES, or cloud platforms without a separate gateway — useful for brownfield sites that need to pull production data from the controller without adding hardware. The connection resource budget supports up to 64 total connections, including 14 S7, 18 HMI, and 10 OPC UA connections. For a line with multiple HMIs and a SCADA link, that leaves headroom for peer-to-peer S7 communication. PROFIBUS connectivity is available via a CM 1243-5 master or CM 1242-5 slave module — the CPU itself does not have a built-in PROFIBUS port, so plan the expansion slot accordingly. ## Regulatory approvals and compliance documentation The CPU carries both cULus and CE mark approvals, covering North American and European installations. No separate UL listing is needed for panels shipping to either region. Siemens provides RoHS and REACH declarations as part of the standard documentation package — these are available on request and are typically included with the shipment for MRO or tender compliance audits.","metaTitle":"Siemens 6ES7212-1AF40-0XB0 S7-1200 CPU, 2 MB memory","metaDescription":"Siemens 6ES7212-1AF40-0XB0 S7-1200 CPU with 2 MB integrated memory, failsafe-capable LAD/FBD, OPC UA server, PROFIsafe support. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"DCP":"Yes","FBD":"Yes; incl. failsafe","I2t":"0.5 A²·s","IRT":"No","LAD":"Yes; incl. failsafe","MRP":"No","SCL":"Yes","UDP":"Yes","24 V":"L+ minus 4 V DC min.","DHCP":"No","LLDP":"Yes","MRPD":"No","Max.":"70 °C","Min.":"-40 °C","SNMP":"Yes","Depth":"75 mm","Width":"90 mm","cULus":"Yes","title":"6ES7212-1AF40-0XB0","Height":"100 mm","MODBUS":"Yes","OPC UA":"Yes; OPC UA Server","TCP/IP":"Yes","24 V DC":"Yes","CE mark":"Yes","Forcing":"Yes; peripheral inputs/outputs (without fail-safe)","Overall":"PG Connections: 4 reserved / 4 max; HMI Connections: 12 reserved / 18 max; S7 Connections: 8 reserved / 14 max; Open User Connections: 8 reserved / 14 max; Web Connections: 2 reserved / 30 max; OPC UA Connections: 0 reserved / 10 max; Total Connections: 34 reserved / 64 max","Present":"Yes","Voltage":"Yes","Isolated":"Yes","PROFIBUS":"Yes; CM 1243-5 (master) or CM 1242-5 (slave) required","As Client":"Yes","As Server":"Yes","ERROR LED":"Yes","MAINT LED":"Yes","PROFIsafe":"Yes","Supported":"Yes","Variables":"inputs/outputs, bit memories, DBs, peripheral I/Os (without fail-safe), times, counters","0 to +10 V":"Yes","Adjustable":"Yes","Integrated":"2 Mbyte","Size, max.":"4 kbyte; Size of bit memory address area","Web server":"Yes","Backup time":"480 h; Typical","FM approval":"Yes","KC approval":"Yes","PROFIenergy":"Yes","UL approval":"Yes","description":"SIMATIC S7-1200F, CPU 1212 FC, compact CPU, DC/DC/DC, onboard I/O: 8 DI 24 V DC; 6 DO 24 V DC; 2 AI 0-10 V DC, Power supply: DC 20.4-28.8V DC, Program/data memory 100 KB","AS-Interface":"Yes; CM 1243-2 required","Autocrossing":"Yes","Number, max.":"Limited only by RAM for code","RUN/STOP LED":"Yes","2-Wire Sensor":"Yes","OPC UA Server":"Yes; data access (read, write, subscribe), method call, runtime license required","Shared device":"Yes","Updating time":"The minimum value of the update time also depends on the communication component set for PROFINET IO, on the number of IO devices and the quantity of configured user data.","For Signal \"0\"":"5 V DC at 1 mA","For Signal \"1\"":"15 V DC at 2.5 mA","Interface type":"PROFINET","PID controller":"Yes","Shielded, Max.":"100 m; twisted and shielded","Autonegotiation":"Yes","Copy protection":"Yes","Marine approval":"Yes","Number of ports":"1","Operation, max.":"95 %; no condensation","Operation, min.":"795 hPa","Parameterizable":"Single phase: 3 @ 100 kHz & 3 @ 30 kHz, differential: 3 @ 80 kHz & 3 @ 30 kHz","Weight, approx.":"370 g","Without Battery":"Yes","lifecycle_stage":"current","\"0\" To \"1\", Max.":"1 µs","\"1\" To \"0\", Max.":"5 µs","Block protection":"Yes","Firmware version":"V4.5","Isochronous mode":"No","Maintenance-Free":"Yes","Media redundancy":"No","Power loss, typ.":"9 W","RJ 45 (Ethernet)":"Yes","Rated value (DC)":"24 V","Unshielded, Max.":"150 m","Data length, max.":"1 472 byte","Fall height, max.":"0.3 m; five times, in product package","Integrated Switch":"No","Source/sink input":"Yes","Inputs, adjustable":"1 kbyte","Number of counters":"6","On Lamp Load, Max.":"5 W","PROFINET IO Device":"Yes","up to 40 °C, max.":"8","At \"0\" To \"1\", Max.":"12.8 ms","At \"0\" To \"1\", Min.":"0.2 ms","Outputs, adjustable":"1 kbyte","PG/OP communication":"Yes; encryption with TLS V1.3 pre-selected","Prioritized startup":"Yes","Programming package":"STEP 7 V17 or higher","User authentication":"\"anonymous\" or by user name & password","Between The Channels":"No","For Signal \"0\", Max.":"0.1 V; with 10 kOhm load","For Signal \"1\", Min.":"20 V","ISO-on-TCP (RFC1006)":"Yes","Inrush current, max.":"12 A; at 28.8 V DC","Frequency measurement":"Yes","Open IE communication":"Yes; Optionally also encrypted","RCM (formerly C-TICK)":"Yes","SIL acc. to IEC 61508":"SIL 3","SIMATIC communication":"Yes","User-defined websites":"Yes","Controlled Positioning":"Yes","Number of alarm inputs":"4","Of Which In Line, Max.":"16","PROFINET IO Controller":"Yes","Deviation per day, max.":"60 s/month at 25 °C","IP degree of protection":"IP20","Limit frequency (pulse)":"100 kHz","Number of analog inputs":"2","Number of pulse outputs":"4","Number of relay outputs":"0","Sampling interval, min.":"100 ms","Status/control variable":"Yes","Storage/transport, max.":"1 080 hPa","Storage/transport, min.":"660 hPa","Transmission rate, max.":"100 Mbit/s","User data per job, max.":"See online help (S7 communication, user data size)","Counting frequency, max.":"100 kHz","For Bit Operations, Typ.":"0.08 µs; / instruction","Number of analog outputs":"0","Number of blocks (total)":"DBs, FCs, FBs, counters and timers. The maximum number of addressable blocks ranges from 1 to 65535. There is no restriction, the entire working memory can be used","Number of digital inputs":"8; Integrated","Number of sessions, max.":"10","Per Priority Class, Max.":"16 kbyte; Priority class 1 (program cycle): 16 KB, priority class 2 to 26: 6 KB","Runtime license required":"Yes; \"Basic\" license required","Current consumption, max.":"1 200 mA; CPU with all expansion modules","For Word Operations, Typ.":"1.7 µs; / instruction","Number of digital outputs":"6","Publishing interval, min.":"200 ms","With Resistive Load, Max.":"0.5 A","Application authentication":"Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256","For Signal \"1\" Rated Value":"0.5 A","Hardware clock (real-time)":"Yes","Installation altitude, max.":"5 000 m; Restrictions for installation altitudes > 2 000 m, see manual","Installation altitude, min.":"-1 000 m","Memory size per trace, max.":"512 kbyte","Of Which High-Speed Outputs":"4; 100 kHz Pulse Train Output","Reverse polarity protection":"Yes","Vertical Installation, Max.":"45 °C","Vertical Installation, Min.":"0 °C","Input resistance (0 to 10 V)":"≥100k ohms","Conversion time (per channel)":"625 µs","Horizontal Installation, Max.":"55 °C","Horizontal Installation, Min.":"0 °C","Number of configurable Traces":"2","Test voltage at air discharge":"8 kV","Number of server methods, max.":"20","for backplane bus (5 V DC), max.":"1 000 mA; Max. 5 V DC for SM and CM","Current consumption (rated value)":"400 mA; CPU only","Integration time, parameterizable":"Yes","Number of server interfaces, max.":"2","Supports protocol for PROFINET IO":"Yes","Test voltage at contact discharge":"6 kV","Between The Channels, In Groups Of":"1","Number of modules per system, max.":"3 comm. modules, 1 signal board, 2 signal modules","Protection level: Write protection":"Yes","tested according to IEC 60068-2-27":"Yes; IEC 68, Part 2-27 half-sine: strength of the shock 15 g (peak value), duration 11 ms","For Floating Point Arithmetic, Typ.":"2.3 µs; / instruction","Plug-in (SIMATIC Memory Card), max.":"with SIMATIC memory card","Potential separation digital inputs":"No","permissible range, lower limit (DC)":"20.4 V","permissible range, upper limit (DC)":"28.8 V","Potential separation digital outputs":"Yes","SO2 at RH < 60% without condensation":"S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free","Activation/deactivation of IO Devices":"Yes","For Signal \"0\" Residual Current, Max.":"0.1 mA","Protection level: Complete protection":"Yes","Number of connectable IO Devices, max.":"16","Protection level: Read/write protection":"Yes","Automatic Detection Of Transmission Rate":"Yes","Number of subscriptions per session, max.":"5","Limit class A, for use in industrial areas":"Yes; Group 1","Performance level according to ISO 13849-1":"PLe","Limit class B, for use in residential areas":"Yes; When appropriate measures are used to ensure compliance with the limits for Class B according to EN 55011","Limitation of inductive shutdown voltage to":"L+ (-48 V)","Number of monitored items, recommended max.":"1 000","User program protection/password protection":"Yes","Operation, tested according to IEC 60068-2-6":"Yes","Number of connectable IO Devices for RT, max.":"16","Protection Of Confidential Configuration Data":"Yes","Of The Pulse Outputs, With Resistive Load, Max.":"100 kHz","Number of IO Controllers with shared device, max.":"2","Of Which Inputs Usable For Technological Functions":"4; HSC (High Speed Counting)","Number of IO devices with prioritized startup, max.":"16","Number of position-controlled positioning axes, max.":"8","Resolution with overrange (bit including sign), max.":"10 bit","Number of nodes for user-defined server interfaces, max.":"2 000","Number of positioning axes via pulse-direction interface":"Up to 4 with SB 1222","Retentive data area (incl. timers, counters, flags), max.":"14 kbyte","Number of IO Devices that can be simultaneously activated/deactivated, max.":"8"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$275.59 – $738.00","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/ea6545a89bb97b21dfb76bb7e1598c9b.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=557896&mlfb=6ES7212-1AF40-0XB0"},"ai":{"faq":[{"question":"What compliance documentation does Siemens provide for 6ES7212-1AF40-0XB0?","answer":"The CPU carries cULus and CE marks. Siemens provides RoHS and REACH declarations as part of the standard documentation package, available on request."},{"question":"Will 6ES7212-1AF40-0XB0 drop into a panel specified around 6ES7212-1AE40-0XB0?","answer":"The -1AF40 variant adds failsafe LAD/FBD and PROFIsafe capability compared to the -1AE40. Physical dimensions (90 x 100 x 75 mm) and mounting are identical, so it fits the same DIN-rail footprint without rewiring. The additional safety features require a firmware update and safety configuration — not a hardware change."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7212-1AF40-0XB0","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/6ES7212-1AF40-0XB0 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}}