{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7317-2AK14-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7317-2AK14-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7317-2AK14-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7317-2AK14-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-300 | CPU | 6ES7317-2AK14-0AB0 | FM 8, CFC, RS 485, 40×125×130 mm.","salesMarkdown":"## CPU fit and features The 6ES7317-2AK14-0AB0: 40 mm wide CPU for S7-300 rack. Supports LAD, FBD, STL, SCL, GRAPH, and HiGraph. RS 485 interface onboard; MPI not available. I2t rating of 1 A²·s noted in the spec sheet. ## Panel mounting and integration Dimensions 40 × 125 × 130 mm (W × H × D). Mounts on standard DIN rail. Depth of 130 mm fits common S7-300 enclosures; allow for cable bend radius at the front.","metaTitle":"Siemens 6ES7317-2AK14-0AB0 CPU, FM 8, CFC, RS 485, 40mm","metaDescription":"Siemens 6ES7317-2AK14-0AB0 SIMATIC S7-300 CPU with FM 8, CFC support, RS 485 interface. 40 mm width, 130 mm depth. Source to RFQ.","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":"40 mm","Height":"125 mm","Inputs":"244 byte","Number":"4","Preset":"10","RS 485":"Yes","STEP 7":"Yes; STEP 7 V5.5 + SP1 or higher or STEP 7 V5.3 + SP2 or higher with HSP 203","via CP":"4","CP, LAN":"10","CP, PtP":"8","Forcing":"Yes","Outputs":"244 byte","Overall":"32","Present":"Yes","Routing":"Yes; Only with active interface","GSD file":"The latest GSD file is available on the Internet (http://www.siemens.com/profibus-gsd)","Isolated":"Yes","As Client":"Yes; Via CP and loadable FB","As Server":"Yes","HiGraph®":"Yes","PROFIsafe":"No","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; From 10 to 499","Expandable":"No","Integrated":"2","Size, max.":"4 096 byte","Backup time":"6 wk; At 40 °C ambient temperature","Command set":"see instruction list","Granularity":"1 h","Lower Limit":"10 ms","Racks, max.":"4","STEP 7 Lite":"No","SYNC/FREEZE":"Yes","Single step":"Yes","Upper Limit":"9 990 s","Equidistance":"Yes","Inputs, max.":"244 byte","Number, max.":"see instruction list","Status block":"Yes; Up to 2 simultaneously","in AS, slave":"Yes","to DP, slave":"Yes","Outputs, max.":"244 byte","Plug-in (MMC)":"Yes","in AS, master":"Yes","to DP, master":"Yes; With DP slave only slave clock","to MPI, slave":"Yes","Interface type":"Integrated RS 485 interface","Nesting levels":"8","to MPI, master":"Yes","Can Be Read Out":"Yes","Inputs, default":"256 byte","Range of values":"0 to 2^31 hours (when using SFC 101)","Weight, approx.":"360 g","Without Battery":"Yes; Program and data","lifecycle_stage":"eol_hot","Block encryption":"Yes; With S7 block Privacy","Firmware version":"V3.3","Isochronous mode":"Yes; OB 61","Of Which Central":"256","Outputs, default":"256 byte","Power loss, typ.":"4.5 W","Rated value (DC)":"24 V","S7 communication":"Yes; Only server, configured on one side","PROFIBUS DP slave":"Yes; A DP slave at both interfaces simultaneously is not possible","Repeat rate, min.":"1 s","Address area, max.":"32","Forcing, variables":"Inputs, outputs","Inputs, adjustable":"8 192 byte","PROFIBUS DP master":"Yes","Per Priority Class":"16","Retentivity preset":"Yes","Usable For Routing":"X1 as a MPI, max. 10; X1 as DP Master max. 24; X1 as DP Slave (active) max. 14; X2 as DP Master max. 24; X2 as DP Slave (active) max. 14","Data record routing":"Yes","Number/Number range":"0 to 3","Outputs, adjustable":"8 192 byte","PG/OP communication":"Yes","Plug-in (MMC), max.":"8 Mbyte","Programming package":"STEP 7 as of V5.5 + SP1 or STEP 7 V5.2 + SP1 or higher with HSP 202","on Ethernet via NTP":"No","HW functional status":"01","Inrush current, typ.":"4 A","Number of breakpoints":"4","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; Typ.: 2 s","Number of analog inputs":"0","Number of entries, max.":"500","Status/control variable":"Yes","Transmission rate, max.":"12 Mbit/s","User data per job, max.":"See online help of STEP 7 (shared parameters of the SFBs/FBs and of the SFCs/FCs of S7 Communication)","For Bit Operations, Typ.":"0.025 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":"0","Number of free cycle OBs":"1; OB 1","Number of time alarm OBs":"1; OB 10","Of Which Powerfail-Proof":"100; Only the last 100 entries are retained","Per Priority Class, Max.":"32 768 byte; Max. 2048 bytes per block","Size of GD packets, max.":"22 byte","For Word Operations, Typ.":"0.03 µs","Global data communication":"No","Number of DP slaves, max.":"124","Number of delay alarm OBs":"2; OB 20, 21","Number of digital outputs":"0","Number of variables, max.":"10","Point-to-point connection":"No","Automatic Baud Rate Search":"Yes; only with passive interface","Hardware clock (real-time)":"Yes","Number of GD packets, max.":"8","Number of RS 422 interfaces":"0","Number of RS 485 interfaces":"2; Combined MPI / PROFIBUS DP and PROFIBUS DP","Number of process alarm OBs":"1; OB 40","Process diagnostic messages":"Yes","S7 communication, as client":"No; but via CP and loadable FB","S7 communication, as server":"Yes","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","Number of cyclic interrupt OBs":"4; OB 32, 33, 34, 35","Number of isochronous mode OBs":"1; OB 61","Number of expansion units, max.":"3","Number of synchronous error OBs":"2; OB 121, 122","Of Which Status Variables, Max.":"30","For Fixed Point Arithmetic, Typ.":"0.04 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","Current consumption (rated value)":"870 mA","Number of subprocess images, max.":"1","usable for S7 basic communication":"30","For Floating Point Arithmetic, Typ.":"0.16 µs","permissible range, lower limit (DC)":"19.2 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","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","Number of GD packets, transmitter, max.":"8","Number of entries readable in RUN, max.":"499","Behavior of the clock following POWER-ON":"Clock continues running after POWER OFF","Mains/voltage failure stored energy time":"5 ms","Number of industrial Ethernet interfaces":"0","simultaneously active Alarm-S blocks, max.":"300","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.":"76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server)","Current consumption (in no-load operation), typ.":"120 mA","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","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.":"8"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2,209.80 – $2,930.00","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/fdb21f78c5e4097c240f7248cf61ed05.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=265605&mlfb=6ES7317-2AK14-0AB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7317-2AK14-0AB0/alternatives.json"},"ai":{"faq":[{"question":"What programming languages does this CPU support?","answer":"It supports LAD, FBD, STL, SCL, GRAPH, and HiGraph."},{"question":"What is the physical width of this module?","answer":"40 mm wide, fitting into a single slot on the S7-300 rack."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7317-2AK14-0AB0","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/6ES7317-2AK14-0AB0 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}}