{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7313-6BF03-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7313-6BF03-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7313-6BF03-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7313-6BF03-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-300 CPU 313C-2 DP, 6ES7313-6BF03-0AB0, FM 8, 248 I/O each, FBD, LAD, SCL, STL, GRAPH, HiGraph, I2t 0.7 A²·s.","salesMarkdown":"The Siemens 6ES7313-6BF03-0AB0 is a SIMATIC S7-300 CPU for medium-scale control. It programs in FBD, LAD, SCL, STL, GRAPH, or HiGraph — choose the tool that fits the sequence, not the other way around. The CPU addresses 248 inputs and 248 outputs, with space for 8 function modules (FM 8). ## Thermal headroom and communication The I2t rating of 0.7 A²·s sets the thermal limit for the internal power stage — keep that curve in mind if the cabinet ambient runs above 40 °C, because derating applies before the CPU trips. Two RS485 ports (RS 422/485 per X.27) serve the MPI/DP network; note that MPI is not native on this version, so an HMI needs a CP. ASCII serial is available for simple peripheral links.","metaTitle":"Siemens 6ES7313-6BF03-0AB0 S7-300 CPU, FM 8","metaDescription":"Siemens 6ES7313-6BF03-0AB0 SIMATIC S7-300 CPU with 248 inputs/outputs each, supports FBD, LAD, SCL, STL, GRAPH, HiGraph. FM 8, I2t 0.7 A²·s. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"FM":"8","FBD":"Yes","I2t":"0.7 A²·s","LAD":"Yes","MPI":"No","SCL":"Yes","STL":"Yes","Type":"SFB","ASCII":"Yes","Depth":"130 mm","GRAPH":"Yes","Width":"120 mm","Height":"125 mm","Inputs":"248","Number":"1","Preset":"No retentivity","RK 512":"No","RS 485":"Yes; RS 422 / 485 (X.27)","STEP 7":"Yes; V5.2 SP1 with HW update","via CP":"4","CP, LAN":"6","CP, PtP":"8","Forcing":"Yes","Outputs":"248","Overall":"8","Present":"Yes","Routing":"No","3964 (R)":"Yes","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","Expandable":"No","Integrated":"No","Size, max.":"256 byte","Backup time":"6 wk; At 40 °C ambient temperature","Command set":"see instruction list","Granularity":"1 h","Lower Limit":"48 Ω","Racks, max.":"4","Rated value":"3 ms","Single step":"Yes","Upper Limit":"4 kΩ","For Uprating":"No","Number, max.":"1 024; Number range: 0 to 2047","PROFINET CBA":"No","Status block":"Yes","2-Wire Sensor":"Yes","Plug-in (MMC)":"Yes","in AS, master":"Yes","to MPI, slave":"Yes","Digital inputs":"124.0 to 125.7","For Signal \"0\"":"-3 to +5V","For Signal \"1\"":"+15 to +30 V","Interface type":"Integrated RS 422/ 485 interface","Nesting levels":"8","PID controller":"Yes","Shielded, Max.":"1 000 m","to MPI, master":"Yes","Digital outputs":"124.0 to 125.7","Parameterizable":"Yes; 0.1 / 0.3 / 3 / 15 ms","Range of values":"0 to 2^31 hours (when using SFC 101)","Weight, approx.":"566 g","Without Battery":"Yes; Program and data","lifecycle_stage":"eol_hot","Firmware version":"V2.6","Of Which Central":"248","Power loss, typ.":"10 W","Rated value (DC)":"24 V","S7 communication":"Yes","Unshielded, Max.":"600 m","PROFIBUS DP slave":"No","Cable length, max.":"1 200 m","Forcing, variables":"Inputs, outputs","On Lamp Load, Max.":"100 Hz","PROFIBUS DP master":"No","Per Priority Class":"8","Retentivity preset":"Yes","Usable For Routing":"No","up to 40 °C, max.":"2 A","up to 60 °C, max.":"2 A","At \"0\" To \"1\", Max.":"16 µs","Number/Number range":"0","PG/OP communication":"Yes","Plug-in (MMC), max.":"8 Mbyte","Programming package":"STEP 7 V5.3 SP2 or higher with HW update","Between The Channels":"Yes","For Signal \"1\", Min.":"L+ (-0.8 V)","For Signal \"1\", Typ.":"9 mA","HW functional status":"01","Inrush current, typ.":"11 A","Frequency measurement":"Yes","Isolation tested with":"600 V DC","Number of breakpoints":"2","Number of connections":"8","Number of startup OBs":"1; OB 100","Retentivity available":"Yes; MB 0 to MB 255","Controlled Positioning":"No","Modules per rack, max.":"8; In rack 3 max. 7","PROFINET IO Controller":"No","Retentivity adjustable":"Yes; via non-retain property on DB","S7 basic communication":"Yes","System functions (SFC)":"see instruction list","Deviation per day, max.":"10 s","Limit frequency (pulse)":"2.5 kHz","Number of entries, max.":"100","Number of pulse outputs":"3; 3 channels pulse width modulation up to max. 2.5 kHz (see \"Technological Functions\" manual)","Status/control variable":"Yes","Transmission rate, max.":"38.4 kbit/s half duplex; 19.2 kbit/s full duplex","User data per job, max.":"180 byte; With PUT/GET","For Bit Operations, Max.":"0.2 µs","For Bit Operations, Typ.":"0.1 µs","Number of GD loops, max.":"4","Number of blocks (total)":"1 024; (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":"16","Number of free cycle OBs":"1; OB 1","Number of time alarm OBs":"1; OB 10","Per Priority Class, Max.":"510 byte","Response threshold, typ.":"1 A","Short-circuit protection":"Yes; Clocked electronically","Size of GD packets, max.":"22 byte","integrated channels (DI)":"16","integrated channels (DO)":"16","For Word Operations, Typ.":"0.2 µs","Global data communication":"Yes","Number of delay alarm OBs":"1; OB 20","Number of digital outputs":"16","Number of variables, max.":"10","Point-to-point connection":"Yes","With Inductive Load, Max.":"0.5 Hz","With Resistive Load, Max.":"100 Hz","with ASCII protocol, max.":"38.4 kbit/s half duplex; 19.2 kbit/s full duplex","For Signal \"1\" Rated Value":"500 mA","Hardware clock (real-time)":"Yes","Number of GD packets, max.":"4","Number of frequency meters":"3; 3 channels up to max. 30 kHz (see \"Technological Functions\" manual)","from load voltage L+, max.":"100 mA","Controlling a digital input":"Yes","Number of RS 422 interfaces":"1; RS 422 / 485 combined","Number of RS 485 interfaces":"1; MPI","Number of process alarm OBs":"1; OB 40","Of Which High-Speed Outputs":"4","Process diagnostic messages":"Yes","Reverse polarity protection":"No","S7 communication, as client":"No","S7 communication, as server":"Yes","usable for OP communication":"7","usable for PG communication":"7","Retentive And Synchronizable":"Yes","System function blocks (SFB)":"see instruction list","with 3964 (R) protocol, max.":"38.4 kbit/s half duplex; 19.2 kbit/s full duplex","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":"1; OB 35","For Redundant Control Of A Load":"Yes","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.":"2 µs","Number of asynchronous error OBs":"4; OB 80, 82, 85, 87","Of Which Control Variables, Max.":"14","Current consumption (rated value)":"700 mA","usable for S7 basic communication":"4","Between The Channels, In Groups Of":"8","For Floating Point Arithmetic, Typ.":"3 µs","For Signal \"1\" Minimum Load Current":"5 mA","Potential separation digital inputs":"Yes","permissible range, lower limit (DC)":"20.4 V","permissible range, upper limit (DC)":"28.8 V","reserved for S7 basic communication":"0","Number of GD packets, receiver, max.":"4","Potential separation digital outputs":"Yes","For Signal \"0\" Residual Current, Max.":"0.5 mA","Output current of the interface, max.":"No","adjustable for OP communication, max.":"7","adjustable for OP communication, min.":"1","adjustable for PG communication, max.":"7","adjustable for PG communication, min.":"1","Between The Channels And Backplane Bus":"Yes","For Signal \"1\" Permissible Range, Max.":"0.6 A","For Signal \"1\" Permissible Range, Min.":"5 mA","Status indicator digital input (green)":"Yes","Number of GD packets, transmitter, max.":"4","Status indicator digital output (green)":"Yes","Number of industrial Ethernet interfaces":"0","from load voltage L+ (without load), max.":"70 mA","simultaneously active Alarm-S blocks, max.":"20","Limitation of inductive shutdown voltage to":"L+ (-48 V)","User program protection/password protection":"Yes","adjustable for S7 basic communication, max.":"4","adjustable for S7 basic communication, min.":"0","Interface controllable from the user program":"Yes","Size of GD packet (of which consistent), max.":"22 byte","User data per job (of which consistent), max.":"64 byte","Of The Pulse Outputs, With Resistive Load, Max.":"2.5 kHz","Current consumption (in no-load operation), typ.":"100 mA","Integrated Function Blocks (Closed-Loop Control)":"PID controller (see \"Technological Functions\" manual)","Of Which Inputs Usable For Technological Functions":"12","Permissible Quiescent Current (2-Wire Sensor), Max.":"1.5 mA","Number of login stations for message functions, max.":"8; Depending on the configured connections for PG/OP and S7 basic communication","Data management on MMC (after last programming), min.":"10 y","Interface can trigger alarm/interrupt in the user program":"Yes; Message on break - identification","Retentive data area (incl. timers, counters, flags), max.":"64 kbyte","External Protection For Power Supply Lines (Recommendation)":"Miniature circuit breaker, type C; min. 2 A; miniature circuit breaker type B, min. 4 A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$644.49 – $1,365.00","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=358297&mlfb=6ES7313-6BF03-0AB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7313-6BF03-0AB0/alternatives.json"},"ai":{"faq":[{"question":"What is the FM rating of the 6ES7313-6BF03-0AB0?","answer":"FM 8 — the CPU supports up to 8 function modules for application-specific signal processing."},{"question":"Does the CPU support FBD programming?","answer":"Yes, FBD is supported along with LAD, SCL, STL, GRAPH, and HiGraph."},{"question":"What is the I2t rating and why does it matter?","answer":"I2t is rated 0.7 A²·s, which defines the thermal withstand of the internal power circuit. It governs derating at elevated ambient temperatures."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7313-6BF03-0AB0","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/6ES7313-6BF03-0AB0 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}}