{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7416-3FS06-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7416-3FS06-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7416-3FS06-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7416-3FS06-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens S7-400 CPU 416-3, 6ES7416-3FS06-0AB0, IRT-capable, 244 byte I/O, CFC/FBD/LAD/SCL/STL/GRAPH, isolated, RS 485.","salesMarkdown":"## CPU 416-3 for S7-400 — what this order code delivers The Siemens 6ES7416-3FS06-0AB0 is a CPU 416-3 for the S7-400 rack, supporting IRT (isochronous real-time) PROFINET communication alongside PROFIBUS DPV0. It carries 244 bytes each of process-image inputs and outputs, and its FM (function module) count is limited by the number of slots or connections in the central controller — a hard constraint when planning a dense rack. Programming options cover CFC, FBD, LAD, SCL, STL, and GRAPH — all six IEC 61131-3 languages plus the continuous function chart. That means the same CPU can serve a team mixing ladder-maintenance engineers and structured-text developers without a software compatibility fight. No MPI interface is present on this CPU; communication relies on the integrated PROFINET interface (TCP/IP and UDP via loadable FBs) and the RS 485 port for PROFIBUS. If your existing S7-400 network uses MPI as the primary bus, this CPU forces a migration to PROFINET or DP. ## Rack planning constraints The CPU occupies a single-wide slot at 50 mm width, 290 mm height, and 219 mm depth — standard S7-400 form factor. It fits any UR1/UR2 rack without modifying the backplane. Communication processor (CP) count is capped at four in the central controller, and mixed operation of CP443-1 EX40 with EX41/EX20/GX20 is not allowed. For PtP modules, CP 440 and CP 441 are limited by both slot count and connection count — plan the CP layout before locking the rack configuration. Electrical isolation is provided between interfaces, which simplifies grounding in mixed-voltage panels where PROFIBUS and PROFINET share a rack with 24 VDC I/O. ## Communication and data record handling PROFIBUS DPV0 is supported; DPV1 is not. That means acyclic data exchange (alarm handling, parameter write during operation) is unavailable on the DP bus — use PROFINET for those services. The CPU provides eight RDREC, WRREC, and blocks each, plus eight RDSYSST and blocks for system status and DP diagnostics. Routing is supported with the interface active, enabling the CPU to forward PROFINET traffic to PROFIBUS segments and vice versa — useful when a programming device on the plant network needs to reach a DP slave behind the CPU. A GSD file is available for PROFIBUS master configuration, and forcing is supported for commissioning and troubleshooting.","metaTitle":"Siemens 6ES7416-3FS06-0AB0 S7-400 CPU, IRT, 244 byte I/O","metaDescription":"Siemens 6ES7416-3FS06-0AB0 S7-400 CPU with IRT, 244 byte I/O, CFC/FBD/LAD/SCL/STL/GRAPH support. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"FM":"Limited by number of slots or 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","DPV0":"Yes","DPV1":"No","Type":"SFB","Depth":"219 mm","GRAPH":"Yes","RDREC":"8","WRREC":"8","Width":"50 mm","Height":"290 mm","Inputs":"244 byte","Number":"16","Preset":"120","RD_REC":"8","RS 485":"Yes","STEP 7":"Yes","TCP/IP":"Yes; via integrated PROFINET interface and loadable FBs","WR_REC":"8","via CP":"4; No mixed operation of CP443-1 EX40 and CP443-1 EX 41/EX20/GX20, max. 4 in central controller","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":"96","Present":"Yes","RDSYSST":"8","Routing":"Yes; with interface active","WR_PARM":"8","DPNRM_DG":"8","DP_TOPOL":"1","GSD file":"http://support.automation.siemens.com/WW/view/en/113652","Isolated":"Yes","PARM_MOD":"1","WR_DPARM":"2","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.":"16 kbyte; Size of bit memory address area","Web server":"Yes","via IM 467":"4","Command set":"see instruction list","Granularity":"1 h","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","Upper Limit":"9 990 s","Autocrossing":"Yes","Equidistance":"Yes","Inputs, max.":"244 byte","Number, max.":"64","PROFINET CBA":"Yes","Preset, Max.":"600","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.":"1 024","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":"512 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":"95","lifecycle_stage":"mature","Adjustable, Max.":"32 kbyte","Block encryption":"Yes; With S7 block Privacy","Firmware version":"V6.0","Isochronous mode":"Yes","Media redundancy":"Yes","Of Which Central":"8 192","Outputs, default":"512 byte","Power loss, max.":"7.5 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","Optical interface":"No","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":"16 kbyte","PROFIBUS DP master":"Yes","PROFINET IO Device":"Yes","Per Priority Class":"24","Retentivity preset":"MB 0 to MB 15","Cyclic Transmission":"Yes","Data record routing":"Yes","Number/Number range":"0 to 15","Outputs, adjustable":"16 kbyte","PG/OP communication":"Yes","Prioritized startup":"Yes","Programming package":"STEP 7 V5.5 or higher/iMap V3.0 + iMap STEP 7 Add-on V3.0 SP5 or higher","on Ethernet via NTP":"Yes; As client","Acyclic Transmission":"Yes","Backup current, max.":"450 µA","Backup current, typ.":"125 µA; up to 40 °C","HW functional status":"01","ISO-on-TCP (RFC1006)":"Yes; Via integrated PROFINET interface or CP 443-1 and loadable FBs","In 100 Ms Grid, Max.":"128","In 500 Ms Grid, Max.":"512","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.":"1 Mbyte","Consistent Data, Max.":"244 byte","In 1000 Ms Grid, Max.":"1 024","Integrated (For Data)":"8 Mbyte","Number of breakpoints":"16","Number of connections":"32","Number of startup OBs":"2; OB 100, 102","Open IE communication":"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.":"30 ns","Integrated (For Program)":"8 Mbyte","Number of DPV1 alarm OBs":"3; OB 55-57","Number of GD loops, max.":"16","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":"8; OB 10-17","Process control messages":"Yes","Size of GD packets, max.":"54 byte","For Word Operations, Typ.":"30 ns","Global data communication":"No","Number of DP slaves, max.":"125","Number of delay alarm OBs":"4; OB 20-23","Number of variables, max.":"512","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":"0","Number of RS 485 interfaces":"2","Number of connections, max.":"94","Number of process alarm OBs":"8; OB 40-47","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","Adjustable For Routing, Max.":"0","Mixed mode IM + CP permitted":"No; IM 467 not suitable for use with CP 443-5 Ext. and CP 443-1 EX4x, EX20, GX20 (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":"2","reserved for OP communication":"1","reserved for PG communication":"1","reserved for S7 communication":"0","Keep-alive function, supported":"Yes","Number of connection resources":"32","Number of cyclic interrupt OBs":"9; OB 30-38 (shortest cycle that can be set = 500 µs)","Number of isochronous mode OBs":"4; OB 61-64","Number of expansion units, max.":"21","Number of synchronous error OBs":"2; OB 121, 122","from backplane bus 5 V DC, max.":"1.5 A","from backplane bus 5 V DC, typ.":"1.3 A","For Fixed Point Arithmetic, Typ.":"30 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","Deviation per day (buffered), max.":"1.7 s; Power off","Of which IO devices with IRT, max.":"64","For Floating Point Arithmetic, Typ.":"90 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.":"32","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.":"16","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\"","Limit class A, for use in industrial areas":"Yes","Number of DP masters with isochronous mode":"2","simultaneously active Alarm-S blocks, max.":"1 000; Simultaneously active alarm_S/SQ blocks or alarm_D/DQ blocks","CiR synchronization time, time per I/O byte":"10 µs; Time per I/O byte","Limit class B, for use in residential areas":"No","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":"95; 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":"95","Number of login stations for message functions, max.":"95; Max. 95 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.":"64/64","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.":"4 000","Number of archives that can log on simultaneously (SFB 37 AR_SEND)":"32","number of simultaneously active system functions (SFC) / with DPSYC_FR":"2","number of simultaneously active system functions (SFC) / with D_ACT_DP":"8","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":"$3,215.64","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c44aa7d9ca79da3a7ed4d0aee263ffde.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=419990&mlfb=6ES7416-3FS06-0AB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7416-3FS06-0AB0/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source — 6ES7317-2EK14-0AB0?","answer":"The 6ES7317-2EK14-0AB0 is an S7-300 CPU and is not a functional second-source for this S7-400 CPU. The two platforms use different racks, backplanes, and power supplies. A panel wired for the S7-400 416-3 cannot accept an S7-300 CPU without replacing the entire rack and power supply."},{"question":"What does FM 'Limited by number of slots or number of connections' mean?","answer":"FM (function module) count on this CPU is constrained by the physical slots available in the central rack and the total number of PROFIBUS/PROFINET connections configured. It is not a fixed number — plan the module layout and connection budget before finalizing the configuration."},{"question":"Does this CPU support CFC?","answer":"Yes, CFC (Continuous Function Chart) is supported, along with FBD, LAD, SCL, STL, and GRAPH. All six IEC languages plus CFC are available in STEP 7."},{"question":"Will 6ES7416-3FS06-0AB0 drop into a panel specified around 6ES7317-2EK14-0AB0?","answer":"No. The S7-400 CPU uses a different rack (UR1/UR2) and backplane than the S7-300. The 50 mm width and 290 mm height are S7-400 dimensions; an S7-300 panel lacks the rack slots and power supply needed for this CPU."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7416-3FS06-0AB0","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/6ES7416-3FS06-0AB0 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}}