{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7317-6TF14-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7317-6TF14-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7317-6TF14-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7317-6TF14-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens S7-300 CPU 317TF-2 DP, order code 6ES7317-6TF14-0AB0, FM 8, PROFIsafe, 244 byte inputs/outputs, 32 modules overall, RS 485, STEP 7.","salesMarkdown":"## CPU 317TF-2 DP — FM 8 and PROFIsafe backbone The Siemens 6ES7317-6TF14-0AB0 is a CPU 317TF-2 DP for the S7-300 rack, carrying FM 8 (8 function modules) and native PROFIsafe support — this is the safety-rated variant of the 317-2 DP line, designed for fail-safe applications up to SIL 3. The FM 8 count means it can handle up to eight technology function modules (e.g., high-speed cam switches, positioning) without an external FM carrier. It supports LAD, FBD, STL, SCL, GRAPH, HiGraph, and CFC programming languages. ## Memory, I/O, and retentivity constraints The CPU provides 244 bytes each for inputs and outputs, with 32 modules overall — enough for medium-size distributed I/O on the backplane. The I²t rating is 1 A²·s, which governs the short-circuit energy the backplane bus can handle; keep the total module draw below that threshold to avoid bus faults. Retentive data is supported but must be restarted at each restart — no preset retentivity, so the application must explicitly configure retentive areas in the hardware config. Forcing is enabled, useful for commissioning without modifying the program. ## PROFIBUS DP and routing The CPU has an isolated RS 485 interface for PROFIBUS DP, supporting both DP master and slave operation via CP and loadable FB. It can act as DP client or server, with routing enabled — so the CPU can route S7 communication through the DP network. Up to 2 DP connections via CP, plus 8 CPs for LAN (PROFINET) and 8 CPs for PtP — the CPU itself does not have an onboard MPI or PROFINET port, so all Ethernet/PROFINET connectivity requires an external CP module.","metaTitle":"Siemens 6ES7317-6TF14-0AB0 CPU 317TF-2 DP, FM 8, PROFIsafe","metaDescription":"Siemens 6ES7317-6TF14-0AB0 CPU 317TF-2 DP with 8 FM, PROFIsafe, 244 byte I/O, 32 modules. Sourced to order against RFQ. Check lifecycle and specs.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"FM":"8","CFC":"Yes","FBD":"Yes","I2t":"1 A²·s","LAD":"Yes","MPI":"No","SCL":"Yes","STL":"Yes","DPV1":"No","Max.":"60 °C","Min.":"0 °C","Type":"SFB","Depth":"130 mm","GRAPH":"Yes","Width":"160 mm","Alarms":"No","Height":"125 mm","Inputs":"244 byte","Number":"4","Preset":"No retentivity","RS 485":"Yes","STEP 7":"Yes","via CP":"2; for DP","CP, LAN":"8","CP, PtP":"8","Forcing":"Yes","Outputs":"244 byte","Overall":"32","Present":"Yes","Routing":"Yes","GSD file":"http://support.automation.siemens.com in Product Support area","Isolated":"Yes","As Client":"Yes; Via CP and loadable FB","As Server":"Yes","Functions":"for technology functions, e.g. high-speed cam switch signals","HiGraph®":"Yes","PROFIsafe":"Yes","Retentive":"Yes; Must be restarted at each restart","Supported":"Yes; via CP and loadable FC","Variables":"Inputs, outputs, memory bits, DB, times, counters","Adjustable":"Yes","Expandable":"No","Integrated":"2; 1 DP and 1 DP (drive)","Size, max.":"4 096 byte","Backup time":"6 wk; At 40 °C ambient temperature","Command set":"see instruction list","Granularity":"1 h","Lower Limit":"1 ms","Racks, max.":"1","SYNC/FREEZE":"No","Single step":"Yes","Upper Limit":"6 000 ms","Equidistance":"Yes","For Uprating":"No","Inputs, max.":"244 byte","Number, max.":"see instruction list","Status block":"Yes; Up to 2 simultaneously","in AS, slave":"Yes","to DP, slave":"Yes; Only time-of-day slave","2-Wire Sensor":"No","Outputs, max.":"244 byte","Plug-in (MMC)":"Yes","in AS, master":"Yes","to DP, master":"Yes","to MPI, slave":"Yes","Digital inputs":"66","For Signal \"0\"":"-3 to +5V","For Signal \"1\"":"+15 to +30 V","Interface type":"Integrated RS 485 interface","Nesting levels":"8","Shielded, Max.":"1 000 m","to MPI, master":"Yes","Digital outputs":"66","Inputs, default":"1 024 byte","Range of values":"0 to 2^31 hours (when using SFC 101)","Weight, approx.":"750 g","Without Battery":"Yes; Program and data","lifecycle_stage":"eol_hot","Firmware version":"CPU: V2.7, integrated technology: V4.1.5","Isochronous mode":"Yes","Of Which Central":"64","Outputs, default":"1 024 byte","Power loss, typ.":"6 W","Rated value (DC)":"24 V","S7 communication":"No","PROFIBUS DP slave":"No","Address area, max.":"32","Forcing, variables":"Inputs, outputs","Inputs, adjustable":"2 048 byte","On Lamp Load, Max.":"100 Hz","PROFIBUS DP master":"Yes; DP(DRIVE)-Master","Per Priority Class":"16","Retentivity preset":"Yes","Usable For Routing":"8","up to 40 °C, max.":"3 A","up to 60 °C, max.":"3 A","At \"0\" To \"1\", Max.":"10 µs; Typical","At \"1\" To \"0\", Max.":"10 µs; Typical","Number/Number range":"0 to 3","Outputs, adjustable":"2 048 byte","PG/OP communication":"Yes","Plug-in (MMC), max.":"8 Mbyte","Programming package":"STEP 7 V5.4 SP5 or higher, S7-Technology V4.2 or higher, Distributed Safety V5.4 SP5 or higher, S7 F Configuration Pack V5.5 SP7 or higher","Diagnostics function":"No","For Signal \"0\", Max.":"3 V; 2L+","For Signal \"1\", Min.":"Rated voltage -2.5 V (2L+)","For Signal \"1\", Typ.":"7 mA","HW functional status":"01","Inrush current, typ.":"2.5 A","Isolation tested with":"500 V DC","Number of breakpoints":"2; without continuation","Number of connections":"32","Number of startup OBs":"1; OB 100","Retentivity available":"Yes; From MB 0 to MB 4 095","Modules per rack, max.":"8","Retentivity adjustable":"Yes; via non-retain property on DB","S7 basic communication":"No","System functions (SFC)":"see instruction list","Deviation per day, max.":"10 s","Number of analog inputs":"0","Number of entries, max.":"100","Status/control variable":"Yes","Transmission rate, max.":"12 Mbit/s","User data per job, max.":"180 byte; With PUT/GET","For Bit Operations, Max.":"0.05 µs","For Bit Operations, Typ.":"0.05 µs","Number of DPV1 alarm OBs":"3; OB 55, 56, 57","Number of GD loops, max.":"8","Number of analog outputs":"0","Number of blocks (total)":"2 048; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used.","Number of clock memories":"8; 1 memory byte","Number of digital inputs":"4","Number of free cycle OBs":"1; OB 1","Number of time alarm OBs":"1; OB 10","Of Which Powerfail-Proof":"100","Per Priority Class, Max.":"1 024 byte","Response threshold, typ.":"1 A","Short-circuit protection":"Yes","Size of GD packets, max.":"22 byte","For Word Operations, Typ.":"0.2 µs","Global data communication":"No","Number of DP slaves, max.":"64","Number of delay alarm OBs":"2; OB 20, 21","Number of digital outputs":"8","Number of variables, max.":"10","Point-to-point connection":"No","With Inductive Load, Max.":"0.2 Hz; According to IEC 60947-5-1, DC-13","With Resistive Load, Max.":"100 Hz","Automatic Baud Rate Search":"Yes; only with passive interface","For Signal \"1\" Rated Value":"0.5 A","Hardware clock (real-time)":"Yes","Number of GD packets, max.":"8","Controlling a digital input":"No","Number of RS 422 interfaces":"0","Number of RS 485 interfaces":"2","Number of process alarm OBs":"1; OB 40","Of Which High-Speed Outputs":"8","Process diagnostic messages":"Yes","Reverse polarity protection":"No; 2L+","S7 communication, as client":"Yes; but via CP and loadable FB","S7 communication, as server":"Yes; Connection configured on one side only","usable for OP communication":"31","usable for PG communication":"31","Retentive And Synchronizable":"Yes","System function blocks (SFB)":"see instruction list","Number of PROFINET interfaces":"0","additional within an error OB":"4","reserved for OP communication":"1","reserved for PG communication":"1","Cycle Monitoring Time / Preset":"150 ms","Number of cyclic interrupt OBs":"4; OB 32, 33, 34, 35","Number of isochronous mode OBs":"1; OB 61","For Redundant Control Of A Load":"No","Number of expansion units, max.":"0","Number of synchronous error OBs":"2; OB 121, 122","Of Which Status Variables, Max.":"30","For Fixed Point Arithmetic, Typ.":"0.2 µs","Number of asynchronous error OBs":"5; OB 80, 82, 85, 86, 87","Of Which Control Variables, Max.":"14","User data per address area, max.":"32 byte","Number of subprocess images, max.":"1","usable for S7 basic communication":"30","For Floating Point Arithmetic, Typ.":"1 µs","permissible range, lower limit (DC)":"20.4 V","permissible range, upper limit (DC)":"28.8 V","reserved for S7 basic communication":"0","Activation/deactivation of DP slaves":"Yes","Number of GD packets, receiver, max.":"8","For Signal \"0\" Residual Current, Max.":"0.3 mA","Output current of the interface, max.":"200 mA","adjustable for OP communication, max.":"31","adjustable for OP communication, min.":"1","adjustable for PG communication, max.":"31","adjustable for PG communication, min.":"1","Between The Channels And Backplane Bus":"Yes","Status indicator digital input (green)":"Yes","Number of GD packets, transmitter, max.":"8","Status indicator digital output (green)":"Yes","Behavior of the clock following POWER-ON":"Clock continues running after POWER OFF","Number of industrial Ethernet interfaces":"0","Number of technology synchronous alarm OBs":"1; OB 65","simultaneously active Alarm-S blocks, max.":"60","Limitation of inductive shutdown voltage to":"48 V","User program protection/password protection":"Yes","adjustable for S7 basic communication, max.":"30","adjustable for S7 basic communication, min.":"0","Size of GD packet (of which consistent), max.":"22 byte","User data per job (of which consistent), max.":"160 byte","Current consumption (in no-load operation), typ.":"250 mA","Of Which Inputs Usable For Technological Functions":"4","Direct data exchange (slave-to-slave communication)":"Yes","Number of login stations for message functions, max.":"32; Depending on the configured connections for PG/OP and S7 basic communication","Data management on MMC (after last programming), min.":"10 a","for signal \"1\" permissible range for 0 to 60 °C, max.":"0.6 A","for signal \"1\" permissible range for 0 to 60 °C, min.":"5 mA","Behavior of the clock following expiry of backup period":"the clock continues at the time of day it had when power was switched off","Retentive data area (incl. timers, counters, flags), max.":"256 kbyte","External Protection For Power Supply Lines (Recommendation)":"2 A min.","Number of DP slaves that can be simultaneously activated/deactivated, max.":"4"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/3ab618c9ff4a7684cd43d15505b43b96.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=82600&mlfb=6ES7317-6TF14-0AB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7317-6TF14-0AB0/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for 6ES7317-6TF14-0AB0?","answer":"No official successor is listed. The CPU is available through independent channels; check the Siemens support portal for any announced phase-out."},{"question":"Does 6ES7317-6TF14-0AB0 work with an S7-300 rack?","answer":"Yes, it is a standard S7-300 CPU that mounts on the S7-300 rack (160 mm wide, 125 mm high, 130 mm deep). It supports up to 32 modules on the backplane."},{"question":"What is the memory size of 6ES7317-6TF14-0AB0?","answer":"The CPU has 244 bytes of input memory and 244 bytes of output memory, with FM 8 (8 function modules) for technology functions."},{"question":"How can I order 6ES7317-6TF14-0AB0 or check stock?","answer":"This CPU is sourced to order against your RFQ."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7317-6TF14-0AB0","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/6ES7317-6TF14-0AB0 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}}