{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6AG1151-8AB01-7AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6AG1151-8AB01-7AB0","canonicalUrl":"https://aoctrl.com/siemens/6AG1151-8AB01-7AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6AG1151-8AB01-7AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 6AG1151-8AB01-7AB0 SFB (Fault-Proof Basic) CPU, S7-300 series, -40°C to +70°C, 1021 digital I/O, PROFINET with MRP, 120 x 119.5 x 75 mm.","salesMarkdown":"## Built for the pit — -40°C to +70°C operating range The 6AG1151-8AB01-7AB0: This is the Siemens SFB (Fault-Proof Basic) CPU, the extended-temperature variant of the standard S7-300 CPU 315-2 PN/DP. It's rated for -40°C minimum and 70°C maximum operating ambient — not a typo, that's the full industrial range for crusher houses, concentrator plants, and outdoor installations where standard PLCs cook or freeze. The 120 mm width, 119.5 mm height, and 75 mm depth match the standard S7-300 form factor — it snaps into the same DIN rail and backplane bus as any standard 315-2 PN/DP, so a panel built around the standard CPU can take this ruggedized drop-in without re-drilling or re-wiring. ## 1021 I/O and PROFINET with MRP — fieldbus for the mill floor Supports up to 1021 digital inputs and 1021 digital outputs across the distributed I/O network — enough for a medium-sized flotation cell bank or a conveyor transfer station with local I/O blocks. Integrated PROFINET interface handles UDP, TCP/IP, and can act as a PROFINET client via loadable function blocks. MRP (Media Redundancy Protocol) is supported — wire the fieldbus in a ring and the CPU rides through a cable break without a network re-scan. RS 485 is on board for legacy DP networks, and DPV1 is supported for isochronous data exchange with drives. ## Programming coverage — LAD, FBD, STL, SCL, GRAPH, HiGraph, CFC This CPU runs every IEC 61131-3 language Siemens offers: LAD, FBD, STL, SCL, plus GRAPH, HiGraph, and CFC (optional). If your site standard is ladder for the millwrights or structured text for the process engineers, the SFB handles it — no compiler swap needed. STEP 7 V5.5 or higher is required for engineering — no TIA Portal version is listed, so confirm your programming environment before committing the BOM line. ## Sourcing reality — quoted to order, not shelf stock CE marked for European installations.","metaTitle":"Siemens 6AG1151-8AB01-7AB0 SFB CPU, -40°C to +70°C","metaDescription":"Siemens 6AG1151-8AB01-7AB0 SFB CPU for S7-300, rated -40°C to +70°C, 1021 I/O, PROFINET with MRP. CE marked. Quoted to order against BOM.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"CFC":"Yes; Optional","FBD":"Yes","I2t":"0.13 A²·s","IRT":"Yes","LAD":"Yes","MPI":"No","MRP":"Yes","SCL":"Yes; Optional","STL":"Yes","UDP":"Yes; via integrated PROFINET interface and loadable FBs","DPV1":"Yes","Max.":"70 °C; = Tmax","Min.":"-40 °C; = Tmin","Type":"SFB","Depth":"75 mm","GRAPH":"Yes; Optional","Width":"120 mm; DP master module: 35 mm","Alarms":"Yes","Height":"119.5 mm","Inputs":"1 021","Number":"1","Preset":"No retentivity","RS 485":"Yes","STEP 7":"Yes; V5.5 or higher","TCP/IP":"Yes; via integrated PROFINET interface and loadable FBs","CE mark":"Yes","Forcing":"Yes","Outputs":"1 021","Overall":"12","Present":"Yes","Routing":"Yes","Isolated":"Yes","As Client":"Yes; via integrated PROFINET interface and loadable FBs","As Server":"Yes","HiGraph®":"Yes; Optional","Retentive":"Yes; Must be restarted at each restart","Supported":"Yes","Variables":"Inputs, outputs, memory bits, DB, times, counters","Adjustable":"Yes","Expandable":"No","Integrated":"192 kbyte","Size, max.":"256 byte","Web server":"No","Backup time":"6 wk; At 40 °C ambient temperature, typically","Command set":"see instruction list","Granularity":"1 h","Lower Limit":"1 ms","PROFIenergy":"Yes; With SFB 73 / 74 prepared for loadable PROFIenergy standard FB for I-Device","SYNC/FREEZE":"Yes","Send cycles":"250 μs, 500 μs,1 ms; 2 ms, 4 ms (not in the case of IRT with \"high flexibility\" option)","Single step":"Yes","Upper Limit":"6 000 ms","Autocrossing":"Yes","Equidistance":"Yes","Inputs, max.":"244 byte","Number, max.":"64","PROFINET CBA":"No","Status block":"Yes; Up to 2 simultaneously","in AS, slave":"No","to DP, slave":"Yes; With DP master module","Outputs, max.":"244 byte","Plug-in (MMC)":"Yes","Shared device":"Yes","Updating time":"Minimum value depends on communication share set for PROFINET I/O, on the number of I/O devices, and on the number of configured user data items.","in AS, master":"No","to DP, master":"Yes; With DP master module","to MPI, slave":"No","Interface type":"External interface via master module 6ES7138-4HA00-0AB0","Nesting levels":"8","Updating times":"250 µs to 512 ms (depends on operating mode; for more details, refer to Operating Instructions, \"Interface Module IM151-8 PN/DP CPU\")","to MPI, master":"No","Autonegotiation":"Yes","For Maintenance":"Yes; MT","Inputs, default":"128 byte","Number of ports":"3; RJ45","Range of values":"0 to 2^31 hours (when using SFC 101)","Weight, approx.":"320 g; DP master module: Approx. 100 g","lifecycle_stage":"current","Block encryption":"Yes; With S7 block Privacy","Firmware version":"V3.2","Isochronous mode":"No","Of Which Central":"124","Outputs, default":"128 byte","Power loss, typ.":"5.5 W","RJ 45 (Ethernet)":"Yes","Rated value (DC)":"24 V","S7 communication":"Yes","Data length, max.":"1 472 byte","Integrated Switch":"Yes","PROFIBUS DP slave":"No","Bus fault BF (red)":"Yes; BF-PN","Forcing, variables":"I/O","Inputs, adjustable":"2 048 byte","PROFIBUS DP master":"Yes","PROFINET IO Device":"No","Per Priority Class":"16","Retentivity preset":"Yes","Usable For Routing":"4; With DP master module","Cyclic Transmission":"Yes","Data record routing":"Yes; With DP master module","Interfaces/bus type":"1x PROFINET (3 RJ45 ports)","Number/Number range":"0","Outputs, adjustable":"2 048 byte","PG/OP communication":"Yes","Plug-in (MMC), max.":"8 Mbyte","Prioritized startup":"Yes","Programming package":"STEP 7 V5.5 or higher","on Ethernet via NTP":"Yes; As client","Acyclic Transmission":"Yes","Diagnostics function":"Yes","Group error SF (red)":"Yes","HW functional status":"01","ISO-on-TCP (RFC1006)":"Yes; via integrated PROFINET interface and loadable FBs","Inrush current, typ.":"1.8 A","At cold restart, min.":"-25 °C","Isolation tested with":"500 V DC","Number of breakpoints":"4","Number of startup OBs":"1; OB 100","Open IE communication":"No","Retentivity available":"Yes","User-defined websites":"Yes","Number of HTTP clients":"5","Of Which In Line, Max.":"128","PROFINET IO Controller":"No","Retentivity adjustable":"Yes; via non-retain property on DB","S7 basic communication":"Yes; I blocks only","System functions (SFC)":"see instruction list","Deviation per day, max.":"10 s; Typ.: 2 s","IP degree of protection":"IP20","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.":"0.06 µs","Number of DPV1 alarm OBs":"3; OB 55, 56, 57","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 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","For Word Operations, Typ.":"0.12 µs","Global data communication":"No","Number of DP slaves, max.":"32; Per station","Number of delay alarm OBs":"2; OB 20, 21","Number of variables, max.":"10","Point-to-point connection":"No","Hardware clock (real-time)":"Yes","Number of connections, max.":"8","Number of process alarm OBs":"1; OB 40","Process diagnostic messages":"Yes; ALARM_S, ALARM_SC, ALARM_SQ, ALARM_D, ALARM_DQ","Reverse polarity protection":"Yes; against destruction","S7 communication, as client":"No","S7 communication, as server":"Yes","User data consistency, max.":"1 024 byte; with PROFINET I/O","usable for OP communication":"11","usable for PG communication":"11","usable for S7 communication":"10; with loadable FBs","Retentive And Synchronizable":"Yes","System function blocks (SFB)":"see instruction list","Bus activity PROFINET (green)":"Yes; P1-/P2-/P3-Link","Length of mounting rail, max.":"Station width: ≤ 1 m or < 2 m","User data per submodule, max.":"1 024 byte","additional within an error OB":"4","from supply voltage 1L+, max.":"352 mA; 426 mA with DP master module","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; only for PROFINET","Number of synchronous error OBs":"2; OB 121, 122","Of Which Status Variables, Max.":"30","Total Number Of Instances, Max.":"32","For Fixed Point Arithmetic, Typ.":"0.16 µs","Number of asynchronous error OBs":"6; OB 80, 82, 83, 85, 86, 87 (OB83 only for centralized I/O and PROFINET IO)","Of Which Control Variables, Max.":"14","for backplane bus (5 V DC), max.":"700 mA","Number of subprocess images, max.":"1; With PROFINET IO, the length of the user data is limited to 1600 bytes","usable for S7 basic communication":"10","Number of modules per system, max.":"63; Centralized","Of which IO devices with IRT, max.":"64","For Floating Point Arithmetic, Typ.":"0.59 µs","Number of IO Devices per tool, max.":"8","Switchover time on line break, typ.":"200 ms; PROFINET MRP","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 stations in the ring, max.":"50","Activation/deactivation of IO Devices":"Yes","Output current of the interface, max.":"No","adjustable for OP communication, max.":"11","adjustable for OP communication, min.":"1","adjustable for PG communication, max.":"11","adjustable for PG communication, min.":"1","adjustable for S7 communication, max.":"10","Device replacement without swap medium":"Yes","Number of connectable IO Devices, max.":"128","Setpoint for the CPU communication load":"50 %","Automatic Detection Of Transmission Rate":"Yes","Behavior of the clock following POWER-ON":"Clock continues running after POWER OFF","Mains/voltage failure stored energy time":"5 ms","Data length for connection type 01H, max.":"1 460 byte","Data length for connection type 11H, max.":"32 768 byte","Local port numbers used at the system end":"0, 20, 21, 23, 25, 80, 102, 135, 161, 8080, 34962, 34963, 34964, 65532, 65533, 65534, 65535","Monitoring 24 V voltage supply ON (green)":"Yes","Number of mounting rails that can be used":"1","Change of IP address at runtime, supported":"Yes","simultaneously active Alarm-S blocks, max.":"300","Installation altitude above sea level, max.":"5 000 m","User program protection/password protection":"Yes","adjustable for S7 basic communication, max.":"10","adjustable for S7 basic communication, min.":"0","Number of connectable IO Devices for RT, max.":"128","User data per job (of which consistent), max.":"76 byte","Several Passive Connections Per Port, Supported":"Yes","Number of IO Controllers with shared device, max.":"2","Direct data exchange (slave-to-slave communication)":"Yes","Number of IO devices with prioritized startup, max.":"32","Ambient air temperature-barometric pressure-altitude":"Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)","Number of login stations for message functions, max.":"12; Depending on the configured connections for PG/OP and S7 basic communication","between PROFIBUS DP and all other circuit components":"Yes","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","number of remote connection partners / with PROFINET CBA":"32","Retentive data area (incl. timers, counters, flags), max.":"64 kbyte","External Protection For Power Supply Lines (Recommendation)":"24 V DC/16 A miniature circuit breaker with type B and C tripping characteristics. Note: A 24 V DC/16 A miniature circuit breaker with type B tripping characteristics trips before and with type C tripping characteristic after the device protection fuse.","IO Devices changing during operation (partner ports), supported":"Yes","Number of IO Devices with IRT and the option \"high flexibility\"":"128","number of coupled PROFIBUS devices / with PROFIBUS functionality":"16","Number of DP slaves that can be simultaneously activated/deactivated, max.":"8","Number of IO Devices that can be simultaneously activated/deactivated, max.":"8","Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04":"Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1,362.71","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/a8a36b8f10a30a3bcb80310048e52ad2.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=323669&mlfb=6AG1151-8AB01-7AB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6AG1151-8AB01-7AB0/alternatives.json"},"ai":{"faq":[{"question":"How can I order 6AG1151-8AB01-7AB0 and get a quote?","answer":"Submit an RFQ with your target quantity and delivery window. The part is quoted to order through independent distribution — current pricing and lead time are confirmed at quote time, not published as shelf stock."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6AG1151-8AB01-7AB0","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/6AG1151-8AB01-7AB0 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}}