{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7414-3EM07-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7414-3EM07-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7414-3EM07-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7414-3EM07-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-400 CPU 414-3 PN/DP, 6ES7414-3EM07-0AB0, central processing unit with 244 byte inputs/outputs, integrated PROFINET, ATEX II 3G, cULus.","salesMarkdown":"The Siemens 6ES7414-3EM07-0AB0 is a SIMATIC S7-400 CPU 414-3 PN/DP central processing unit. It carries 244 bytes each of process-input and process-output image, which governs how much field I/O the CPU can scan in a single cycle without resorting to direct peripheral access — adequate for a medium-size process skid or a burner-management cabinet where the I/O count stays under a couple of hundred channels. The CPU supports LAD, FBD, STL, SCL, GRAPH, and CFC programming languages, so whatever IEC 61131-3 dialect your team uses, this processor can compile it. IRT (isochronous real-time) is present, meaning the PROFINET cycle can be synchronised to the scan for applications that need deterministic jitter — a turbine governor or a high-speed packaging section, provided the network topology and IO devices also support IRT. The FM (fault-masking) capability is listed as limited by the number of slots and the number of connections — not a blanket per-block limit, but a function of how many modules you have racked and how many PROFINET or DP links are active. For a panel with, say, twelve I/O modules and three DP slaves, the practical FM count will be lower than on a sparse rack. Plan your diagnostic concept accordingly: the CPU can force outputs and mask faults, but the resource is shared with communication connections. ## Integration into an S7-400 rack — panel-builder notes The CPU occupies a single slot in a standard S7-400 rack. Its width is 50 mm, depth 219 mm, height 290 mm — a full-size S7-400 module that needs the deeper UR2 or UR1 rack, not the shallow ER1. The front panel carries the PROFINET interface (two ports, switch-integrated), a PROFIBUS DP interface, and a combined MPI/DP port. Note that MPI is listed as not supported on this CPU revision — the MPI/DP port operates in DP mode only, so any legacy MPI-only programming cables or HMI panels will not communicate directly. Use the PROFINET interface for programming and HMI connectivity instead. The RS 485 interface is present, which on this CPU is the PROFIBUS DP port. Up to four CP 443-1 PROFINET communication processors can be added in the central controller, but the evidence warns against mixed operation of different CP 443-1 types in PROFINET IO mode — keep the CP revision uniform across the rack. For point-to-point links, the CP 440 and CP 441 are supported, limited by the same slot and connection constraints as the FM capability. ## Compliance and approvals — what the certifications cover The CPU carries CE marking for the European market and cULus listing for North America, so it is accepted in panels destined for either jurisdiction without additional component-level certification. The ATEX approval is ATEX II 3G Ex nA IIC T4 Gc, which permits installation in Zone 2 (gas) areas — a common requirement for CPU placement just outside the hazardous boundary in a petrochemical or pharmaceutical plant. The T4 temperature class (135 °C surface) is safe for most gas groups except hydrogen and acetylene. Operating temperature range is 0 °C to 60 °C, which covers unconditioned control rooms but not outdoor cabinets in direct sun without climate control. ## Communication and data record handling The CPU supports TCP/IP and UDP via the integrated PROFINET interface and loadable function blocks — no additional CP needed for basic Ethernet communication. Routing is possible with the interface active, which lets the CPU forward messages between subnets. For data-record access, the CPU provides SFB 52 (RDREC) and SFB 53 (WRREC), each with 8 instances per interface but not more than 32 across all external interfaces. The equivalent SFC 58 and SFC 59 also support 8 instances per interface. SFC 51 (RDSYSST) gives 8 instances for reading system status lists. SFC 55 provides 8 parameter-writing instances per interface. These limits matter when you have multiple HMI or SCADA connections all requesting data records — the pool is shared.","metaTitle":"Siemens 6ES7414-3EM07-0AB0 CPU 414-3 PN/DP, 244 byte I/O","metaDescription":"Siemens 6ES7414-3EM07-0AB0 CPU 414-3 PN/DP with 244 byte I/O, ATEX II 3G, cULus. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"FM":"Limited by number of slots and number of connections","CFC":"Yes","FBD":"Yes","IRT":"Yes","LAD":"Yes","MPI":"No","SCL":"Yes","STL":"Yes","UDP":"Yes; via integrated PROFINET interface and loadable FBs","ATEX":"ATEX II 3G Ex nA IIC T4 Gc","DPV0":"Yes","DPV1":"No","Max.":"60 °C","Min.":"0 °C","Type":"SFB","Depth":"219 mm","GRAPH":"Yes","RDREC":"8; SFB 52; per interface, but not more than 32 across all external interfaces","WRREC":"8; SFB 53; per interface, but not more than 32 across all external interfaces","Width":"50 mm","cULus":"Yes","Height":"290 mm","Inputs":"244 byte","Number":"16","Preset":"120","RD_REC":"8; SFC 59; per interface","RS 485":"Yes","STEP 7":"Yes","TCP/IP":"Yes; via integrated PROFINET interface and loadable FBs","WR_REC":"8; SFC 58; per interface","via CP":"4; Max. 4 in the central controller; no mixed operation of different CP 443-1 types in PROFINET IO mode","CE mark":"Yes","CP, PtP":"CP 440: Limited by number of slots; CP 441: Limited by number of slots and number of connections","Forcing":"Yes","Outputs":"244 byte","Overall":"64","Present":"Yes","RDSYSST":"8; SFC 51","Routing":"Yes; with interface active","WR_PARM":"8; SFC 55; per interface","DPNRM_DG":"8; SFC 13; per interface","DP_TOPOL":"1; SFC 103; per interface","GSD file":"http://support.automation.siemens.com/WW/view/en/113652","Isolated":"Yes","PARM_MOD":"1; SFC 57; per interface","WR_DPARM":"2; SFC 56; per interface","As Client":"Yes","As Server":"Yes","HiGraph®":"Yes","MPI, max.":"200 ms","Retentive":"Yes","Supported":"Yes; Via CP and loadable FB","Variables":"Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters","Adjustable":"Yes","Expandable":"No","Integrated":"1","Max. Cycle":"32 ms","Resolution":"1 ms","S7 routing":"Yes","Size, max.":"8 kbyte; Size of bit memory address area","Web server":"Yes","via IM 467":"4","Command set":"see instruction list","FM approval":"Yes","Granularity":"1 h","KC approval":"Yes","Lower Limit":"10 ms","SYNC/FREEZE":"Yes","Send cycles":"250 μs, 500 μs, 1 ms, 2 ms, 4 ms additionally with IRT with high performance: 250 µs to 4 ms in 125 µs frame","Single step":"Yes","Slots, max.":"244","UL approval":"Yes","Upper Limit":"9 990 s","Autocrossing":"Yes","CSA approval":"Yes","Equidistance":"Yes","Inputs, max.":"244 byte","Number, max.":"64","PROFINET CBA":"Yes","Preset, Max.":"300","Status block":"Yes; Up to 16 simultaneously","With Battery":"Yes; all data","in AS, slave":"Yes","to DP, slave":"Yes","to IF 964 DP":"Yes","Outputs, max.":"244 byte","Overall, Max.":"512","Shared device":"Yes","Updating time":"250 µs to 512 ms; minimum value depends on preset communication share for PROFINET IO, on the number of IO Devices and on the amount of configured user data, see PROFINET system description","in AS, master":"Yes","to DP, master":"Yes","to MPI, slave":"Yes","Alarm 8-blocks":"Yes","Ethernet, max.":"10 ms","Interface type":"Pluggable interface module (IF)","Multicomputing":"Yes; 4 CPUs max. (with UR1 or UR2)","Nesting levels":"7","Per Slot, Max.":"128 byte","Program alarms":"Yes","Required Slots":"2","SCAN procedure":"Yes","Type of memory":"RAM","expandable RAM":"Yes; with Memory Card (RAM)","to MPI, master":"Yes","Autonegotiation":"Yes","Can Be Read Out":"Yes","Inputs, default":"256 byte","Number of ports":"2","Range of values":"SFCs 2, 3 and 4: 0 to 32767 hours SFC 101: 0 to 2^31 - 1 hours","Weight, approx.":"900 g","Without Battery":"No","connectable OPs":"63","lifecycle_stage":"mature","Adjustable, Max.":"16 kbyte","Block encryption":"Yes; With S7 block Privacy","Firmware version":"V7.0","Isochronous mode":"Yes","Media redundancy":"Yes","Of Which Central":"4 096","Outputs, default":"256 byte","Power loss, max.":"8 W","Power loss, typ.":"6.5 W","RJ 45 (Ethernet)":"Yes","Rated value (DC)":"Power supply via system power supply","S7 communication":"Yes","Backup time, max.":"Dealt with in the module data manual with the secondary conditions and the factors of influence","Data length, max.":"1 472 byte","Integrated Switch":"Yes","PROFIBUS DP slave":"Yes","expandable FEPROM":"Yes; with Memory Card (FLASH)","Address area, max.":"32; Virtual slots","Forcing, variables":"Inputs/outputs, bit memories, distributed I/Os","Inputs, adjustable":"8 kbyte","PROFIBUS DP master":"Yes","PROFINET IO Device":"Yes","Per Priority Class":"24","Retentivity preset":"MB 0 to MB 15","Usable For Routing":"31","Cyclic Transmission":"Yes","Data record routing":"Yes","Interfaces/bus type":"1 x MPI/PROFIBUS DP, 1 x PROFINET (2 ports), 1 x PROFIBUS DP (optionally pluggable)","Number/Number range":"0 to 15","Outputs, adjustable":"8 kbyte","PG/OP communication":"Yes","Prioritized startup":"Yes","Programming package":"STEP 7 V5.5 or higher with HSP 262","on Ethernet via NTP":"Yes; As client","Acyclic Transmission":"Yes","Backup current, max.":"850 µA","Backup current, typ.":"180 µA; up to 40 °C","HW functional status":"01","ISO-on-TCP (RFC1006)":"Yes; Via integrated PROFINET interface or CP 443-1 Adv. and loadable FBs","In 100 Ms Grid, Max.":"128","In 500 Ms Grid, Max.":"256","Reserved For Routing":"0","Shortest Clock Pulse":"1 ms; 0.5 ms without use of SFC 126, 127","Via Interface Module":"1; IF 964-DP","expandable RAM, max.":"64 Mbyte","integrated RAM, max.":"512 kbyte","Consistent Data, Max.":"244 byte","EAC (formerly Gost-R)":"Yes","In 1000 Ms Grid, Max.":"512","Integrated (For Data)":"2 Mbyte","Number of breakpoints":"16","Number of connections":"16","Number of startup OBs":"3; OB 100-102","Open IE communication":"Yes","RCM (formerly C-TICK)":"Yes","Retentivity available":"Yes","User-defined websites":"Yes","Number of HTTP clients":"5","Of Which In Line, Max.":"256","PROFINET IO Controller":"Yes","S7 basic communication":"No","System functions (SFC)":"see instruction list","With 100 Ms Grid, Max.":"1","Number of entries, max.":"3 200","Status/control variable":"Yes; Up to 16 variable tables","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.":"18.75 ns","Integrated (For Program)":"2 Mbyte","Number of DPV1 alarm OBs":"3; OB 55-57","Number of GD loops, max.":"8","Number of background OBs":"1; OB 90","Number of clock memories":"8; in 1 memory byte","Number of free cycle OBs":"1; OB 1","Number of time alarm OBs":"4; OB 10-13","Process control messages":"Yes","Size of GD packets, max.":"54 byte","For Word Operations, Typ.":"18.75 ns","Global data communication":"No","Number of DP slaves, max.":"96","Number of delay alarm OBs":"4; OB 20-23","Number of variables, max.":"256","Of Which Consistent, Max.":"32 byte","PROFIBUS and Ethernet CPs":"14; In total max. 10 CPs as DP master and PROFINET controller, of which up to 10 IMs or CPs as DP master and up to 4 CPs as PROFINET controller","Plug-in interface modules":"IF 964-DP (MLFB: 6ES7964-2AA04-0AB0)","Point-to-point connection":"No","Automatic Baud Rate Search":"No","Hardware clock (real-time)":"Yes","Number of other interfaces":"1; PROFIBUS DP with IF 964-DP (plug-in option; MLFB: 6ES7964-2AA04-0AB0)","Number of RS 485 interfaces":"1; Combined MPI / PROFIBUS DP","Number of connections, max.":"62","Number of process alarm OBs":"4; OB 40-43","Process diagnostic messages":"Yes","S7 communication, as client":"Yes","S7 communication, as server":"Yes","User data consistency, max.":"1 024 byte","from interface 5 V DC, max.":"90 mA; At each DP interface","usable for OP communication":"63","usable for PG communication":"63","usable for S7 communication":"62","Adjustable For Routing, Max.":"0","Mixed mode IM + CP permitted":"No; IM 467 cannot be used jointly with CP 443-5 Ext. or CP 443-1 in PROFINET IO mode","Number of multicomputing OBs":"1; OB 60","Retentive And Synchronizable":"Yes","System function blocks (SFB)":"see instruction list","User data per DP slave, max.":"244 byte","With 500, 1000 Ms Grid, Max.":"10","User data per submodule, max.":"1 024 byte","additional within an error OB":"1","reserved for OP communication":"1","reserved for PG communication":"1","reserved for S7 communication":"0","Keep-alive function, supported":"Yes","Number of connection resources":"16","Number of cyclic interrupt OBs":"4; OB 32, 33, 34, 35 (shortest cycle that can be set = 500 µs)","Number of isochronous mode OBs":"3; OB 61-63","Number of expansion units, max.":"21","Number of synchronous error OBs":"2; OB 121, 122","from backplane bus 5 V DC, max.":"1.6 A","from backplane bus 5 V DC, typ.":"1.3 A","For Fixed Point Arithmetic, Typ.":"18.75 ns","Number of asynchronous error OBs":"9; OB 80-88","User data per address area, max.":"32 byte","from backplane bus 24 V DC, max.":"300 mA; 150 mA per DP interface","Number of subprocess images, max.":"15","usable for S7 basic communication":"62","Deviation per day (buffered), max.":"1.7 s; Power off","Of which IO devices with IRT, max.":"64","For Floating Point Arithmetic, Typ.":"37.5 ns","Number of IO Devices per tool, max.":"8; 8 parallel calls of the SFC 12 \"D_ACT_DP\" possible per line. Max. 32 IO Devices changing during operation (partner ports) are supported","Number of connectable IM 460s, max.":"6","Number of connectable IM 463s, max.":"4; IM 463-2","Switchover time on line break, typ.":"200 ms","reserved for S7 basic communication":"0","Activation/deactivation of DP slaves":"Yes","CiR synchronization time, basic load":"100 ms","Deviation per day (unbuffered), max.":"8.6 s; For power On","Number of GD packets, receiver, max.":"16","Number of stations in the ring, max.":"50","Activation/deactivation of IO Devices":"Yes","Output current of the interface, max.":"150 mA","User data per isochronous slave, max.":"244 byte","adjustable for OP communication, max.":"0","adjustable for PG communication, max.":"0","adjustable for S7 communication, max.":"0","Device replacement without swap medium":"Yes","Number of connectable IO Devices, max.":"256","Number of GD packets, transmitter, max.":"8","Number of connectable IMs (total), max.":"6","Setpoint for the CPU communication load":"20 %","Automatic Detection Of Transmission Rate":"No","Feeding of external backup voltage to CPU":"5 V DC to 15 V DC","Local port numbers used at the system end":"0, 20, 21, 25, 80, 102, 135, 161, 34962, 34963, 34964, 65532, 65533, 65534, 65535","Change of IP address at runtime, supported":"Yes; Assignment by higher-level IO-Controller or by the user program with SFB104 \"IP_CONF\"","Number of DP masters with isochronous mode":"2","simultaneously active Alarm-S blocks, max.":"400; Simultaneously active alarm_S/SQ blocks or alarm_D/DQ blocks","CiR synchronization time, time per I/O byte":"15 µs","User program protection/password protection":"Yes","adjustable for S7 basic communication, max.":"0","Number of connectable IO Devices for RT, max.":"256","Size of GD packet (of which consistent), max.":"1 variable","User data per job (of which consistent), max.":"240 byte","Several Passive Connections Per Port, Supported":"Yes","Number of IO Controllers with shared device, max.":"2","Number of connectable OPs with message processing":"63; When using Alarm_S/SQ and Alarm_D/DQ","Direct data exchange (slave-to-slave communication)":"No","Number of IO devices with prioritized startup, max.":"32","Number of connectable OPs without message processing":"63","Number of login stations for message functions, max.":"63; Max. 63 with Alarm_S/SQ and Alarm_D/DQ (OPs); max. 8 with Alarm, Alarm_8, Alarm_8P, Notify and Notify_8 (e.g. WinCC)","number of remote connection partners / with PROFINET CBA":"32","Retentive data area (incl. timers, counters, flags), max.":"Total working and load memory (with backup battery)","Number of simultaneous AG-SEND/AG-RECV orders per CPU, max.":"24/24","IO Devices changing during operation (partner ports), supported":"Yes","Number of IO Devices with IRT and the option \"high flexibility\"":"256","Number of instances for alarm 8 and S7 communication blocks, max.":"1 200","Number of archives that can log on simultaneously (SFB 37 AR_SEND)":"16","number of simultaneously active system functions (SFC) / with DPSYC_FR":"2; SFC 11; per interface","number of simultaneously active system functions (SFC) / with D_ACT_DP":"8; SFC 12; per interface","Number of IO Devices that can be simultaneously activated/deactivated, max.":"8","Number of pluggable S5 modules (via adapter capsule in central device), max.":"6"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5,562.60 – $7,162.00","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=643486&mlfb=6ES7414-3EM07-0AB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7414-3EM07-0AB0/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 6ES7414-3EM07-0AB0?","answer":"Pricing and availability are confirmed at quote time against an RFQ. Submit a request through the storefront for a current quote; the CPU is sourced to order through independent distribution."},{"question":"What is the closest functional alternative to 6ES7414-3EM07-0AB0?","answer":"A direct functional peer is the 6ES7516-3AN00-0AB0, a SIMATIC S7-1500 CPU. However, it does not drop into an S7-400 rack — the form factor, backplane bus, and rack system are completely different. Rewiring and a new rack are required; the programming environment also shifts to TIA Portal exclusively. The 6ES7414-3EM07-0AB0 is an S7-400 CPU with a 50 mm width and 244-byte I/O image; the S7-1500 peer uses a different mechanical and electrical interface."},{"question":"What compliance documentation does this CPU carry?","answer":"The CPU carries CE marking, cULus listing, and ATEX II 3G Ex nA IIC T4 Gc certification. These cover European, North American, and Zone 2 hazardous-location approvals respectively."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7414-3EM07-0AB0","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/6ES7414-3EM07-0AB0 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}}