{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7414-3XJ00-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7414-3XJ00-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7414-3XJ00-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7414-3XJ00-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens S7-400 CPU, 6ES7414-3XJ00-0AB0, 244 byte I/O, 1 ms resolution, FM 32 limited by slots and connections.","salesMarkdown":"## CPU for process-critical S7-400 racks The Siemens 6ES7414-3XJ00-0AB0 is an S7-400 CPU with a 244-byte input and 244-byte output process image, giving it a solid I/O footprint for mid-sized distributed control. It runs a 1 ms resolution cycle, which means time-critical loops—like those on a fired heater or compressor antisurge—can be closed within that window without jitter. The functional map (FM) is rated at 32, limited by the number of slots and connections in the rack; that caps how many CPs, IMs, and FMs you can hang off this CPU before you need a second controller or an expansion. ## Programming and protocol support This CPU supports the full S7-400 programming language set: LAD, FBD, STL, SCL, CFC, GRAPH, and HiGraph. That means a team can mix ladder for discrete logic, structured text for math blocks, and CFC for continuous-function-chart process loops without swapping tools. MPI and RS 485 are onboard; S7 routing is active when the interface is enabled, so you can reach remote racks through the same programming cable. Forcing is supported—useful during commissioning to override a sensor without rewiring, but lock it out in production. ## Mounting and expansion constraints The module measures 50 mm wide, 290 mm high, and 219 mm deep—standard S7-400 form factor, so it slots into any UR1/UR2 rack without adapters. It is not expandable (no local I/O bus extension), so all I/O must sit on the central rack or be reached via PROFIBUS DP through a CP. It supports up to 10 connections via CP, 32 CP LAN connections, and 32 CP PtP connections, each limited by the number of slots available. Two integrated interfaces are present; one is reserved for PG/OP, leaving the other for the control network.","metaTitle":"Siemens 6ES7414-3XJ00-0AB0 S7-400 CPU, 244 byte I/O, 1 ms re","metaDescription":"Siemens 6ES7414-3XJ00-0AB0 S7-400 CPU with 244 byte inputs/outputs, 1 ms resolution, supports LAD/FBD/STL/SCL/CFC/GRAPH. FM limited by slots and connections. Sourced to order again","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"FM":"32; Limited by number of slots and number of connections","CFC":"Yes","FBD":"Yes","LAD":"Yes","MPI":"Yes","SCL":"Yes","STL":"Yes","Type":"SFB","Depth":"219 mm","GRAPH":"Yes","Width":"50 mm","Height":"290 mm","Inputs":"244 byte","Number":"8","Preset":"No retentivity","RS 485":"Yes","STEP 7":"Yes","via CP":"10","CP, LAN":"32; limited by number of connections","CP, PtP":"32; limited by number of slots","Forcing":"Yes","Outputs":"244 byte","Overall":"32; of which one is reserved for PG and OP","Present":"Yes","Routing":"Yes; with interface active","Isolated":"Yes","As Client":"Yes","As Server":"Yes","HiGraph®":"Yes","Supported":"Yes; Via CP and loadable FB","Adjustable":"Yes","Expandable":"No","Integrated":"2","Resolution":"1 ms","S7 routing":"Yes","Size, max.":"64 kbyte","via IM 467":"4","Lower Limit":"10 ms","SYNC/FREEZE":"Yes","Single step":"Yes","Slots, max.":"244","Upper Limit":"9 990 s","Equidistance":"Yes","Inputs, max.":"128 byte","Number, max.":"8 kbyte","Status block":"Yes","With Battery":"Yes; all data","in AS, slave":"Yes","to DP, slave":"Yes","to IF 964 DP":"Yes; as Master or Slave","Outputs, max.":"128 byte","in AS, master":"Yes","to DP, master":"Yes","to MPI, slave":"Yes","Alarm 8-blocks":"Yes","Interface type":"pluggable interface module (IF), technical data as for 2nd interface","Multicomputing":"Yes; 4 CPUs max. (with UR1 or UR2)","Nesting levels":"8","Per Slot, Max.":"128 byte","Program alarms":"Yes","Required Slots":"2","Type of memory":"RAM","expandable RAM":"Yes; with Memory Card (RAM)","to MPI, master":"Yes","Inputs, default":"256 byte","Weight, approx.":"1 070 g","Without Battery":"No","connectable OPs":"31 without message processing, 8 with message processing","lifecycle_stage":"mature","Isochronous mode":"Yes","Of Which Central":"4 096","Outputs, default":"256 byte","Power loss, typ.":"7.5 W","Rated value (DC)":"Power supply via system power supply","S7 communication":"Yes","PROFIBUS DP slave":"Yes","expandable FEPROM":"Yes; with Memory Card (FLASH)","Address area, max.":"32","Inputs, adjustable":"8 kbyte; adjustable at the expense of the code area of the RAM","PROFIBUS DP master":"Yes","Per Priority Class":"24","Retentivity preset":"MB 0 to MB 15","Outputs, adjustable":"8 kbyte; adjustable at the expense of the code area of the RAM","PG/OP communication":"Yes","Backup current, max.":"420 µA","Backup current, typ.":"40 µA","Reserved For Routing":"0","Shortest Clock Pulse":"5 ms; 2.5 ms without using the SFCs 126 / 127","Via Interface Module":"1","expandable RAM, max.":"64 Mbyte","integrated RAM, max.":"256 kbyte","Consistent Data, Max.":"244 byte","Integrated (For Data)":"384 kbyte","Number of breakpoints":"4","Number of connections":"32","Retentivity available":"Yes; From MB 0 to MB 8 191","S7 basic communication":"No","Number of entries, max.":"3 200","Status/control variable":"Yes","Symbol-related messages":"Yes","Transmission rate, max.":"12 Mbit/s","User data per job, max.":"8 kbyte","expandable FEPROM, max.":"64 Mbyte","For Bit Operations, Typ.":"0.1 µs","Integrated (For Program)":"384 kbyte","Number of clock memories":"8; 1 memory byte","Number of time alarm OBs":"4","Process control messages":"Yes","Size of GD packets, max.":"64 byte","For Word Operations, Typ.":"0.1 µs","Global data communication":"No","Number of DP slaves, max.":"96","Number of delay alarm OBs":"4","Of Which Consistent, Max.":"32 byte","PROFIBUS and Ethernet CPs":"14; incl. CP 443-5 Ext. and IM 467","Plug-in interface modules":"IF 964-DP","Hardware clock (real-time)":"Yes","Number of connections, max.":"16","Number of process alarm OBs":"4","Adjustable For Routing, Max.":"0","Mixed mode IM + CP permitted":"No; IM 467 cannot be used jointly with CP 443-5 Ext.","Retentive And Synchronizable":"Yes","Retentive Data Area In Total":"Total working and load memory (with backup battery)","additional within an error OB":"2","reserved for OP communication":"1","reserved for PG communication":"1","reserved for S7 communication":"0","Number of connection resources":"16","Number of cyclic interrupt OBs":"4","Number of expansion units, max.":"21; of which 6 ER with K-bus","from backplane bus 5 V DC, max.":"1.6 A; typ. 1.5 A","from backplane bus 5 V DC, typ.":"1.5 A","For Fixed Point Arithmetic, Typ.":"0.1 µs","User data per address area, max.":"32 byte","from backplane bus 24 V DC, max.":"450 mA; Total current consumption of the components connected to the MPI/DP interfaces, but no more than 150 mA per interface","Number of subprocess images, max.":"8","For Floating Point Arithmetic, Typ.":"0.6 µs","Number of connectable IM 460s, max.":"6","Number of connectable IM 463s, max.":"4; IM 463-2","reserved for S7 basic communication":"0","Activation/deactivation of DP slaves":"Yes","CiR synchronization time, basic load":"100 ms","Number of GD packets, receiver, max.":"16","User data per isochronous slave, max.":"128 byte","adjustable for OP communication, max.":"0","adjustable for PG communication, max.":"0","adjustable for S7 communication, max.":"0","Number of GD packets, transmitter, max.":"8","Number of connectable IMs (total), max.":"6","Feeding of external backup voltage to CPU":"5 V DC to 15 V DC","CiR synchronization time, time per I/O byte":"120 µs","User program protection/password protection":"Yes","adjustable for S7 basic communication, max.":"0","Direct data exchange (slave-to-slave communication)":"Yes","Number of login stations for message functions, max.":"8","Number of pluggable S5 modules (via adapter capsule in central device), max.":"6"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1,873.25 – $2,029.00","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=524948&mlfb=6ES7414-3XJ00-0AB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7414-3XJ00-0AB0/alternatives.json"},"ai":{"faq":[{"question":"What is the FM rating on this CPU?","answer":"The functional map (FM) is rated at 32, limited by the number of slots and connections in the rack. That means you can assign up to 32 FM entries across the available slots and CP connections before the CPU runs out of map space."},{"question":"What programming languages does it support?","answer":"It supports LAD, FBD, STL, SCL, CFC, GRAPH, and HiGraph—the full S7-400 language set. STEP 7 is required to compile and download."},{"question":"Can this CPU be expanded with additional I/O racks?","answer":"No, the CPU itself is not expandable. All I/O must reside on the central rack or be accessed via PROFIBUS DP through a CP module."},{"question":"What is the resolution of the cycle time?","answer":"The minimum cycle time resolution is 1 ms, with a lower limit of 10 ms for the actual cycle. This allows time-critical loops to run at a 1 ms update rate."},{"question":"Does it support S7 routing?","answer":"Yes, S7 routing is supported when the interface is active. This lets you reach remote racks through the same programming cable without additional hardware."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7414-3XJ00-0AB0","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/6ES7414-3XJ00-0AB0 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}}