{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7151-8FB00-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7151-8FB00-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7151-8FB00-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7151-8FB00-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC DP master module, 6ES7151-8FB00-0AB0, 192 kB integrated memory, CFC/FBD/LAD/STL/SCL/GRAPH, PROFINET interface, 1021 I/O.","salesMarkdown":"## Module Identification and Core Capabilities The Siemens 6ES7151-8FB00-0AB0 is a SIMATIC DP master module classified as type SFB, with 192 kB of integrated program and data memory. Per the specification, it addresses up to 1 021 inputs and 1 021 outputs, making it suitable for mid-to-large distributed I/O configurations. The module supports CFC (optional), FBD, LAD, STL, SCL (optional), GRAPH (optional), and HiGraph (optional). ## Communication and Backup An integrated PROFINET interface provides UDP and TCP/IP communication via loadable function blocks, allowing real-time data exchange with IO controllers and devices. RS-485 connectivity is available, and the module functions as both a DP client and server. The real-time clock backup is rated at 6 weeks typical at 40 °C ambient temperature, ensuring time-stamp retention during power interruptions.","metaTitle":"Siemens 6ES7151-8FB00-0AB0, SFB DP Master, 192 kB","metaDescription":"Siemens SIMATIC DP master module 6ES7151-8FB00-0AB0 with 192 kB integrated memory, 1021 I/O capacity, PROFINET, RS-485, backup 6 wk. Supports CFC, FBD, LAD, STL, SCL, GRAPH, HiGrap","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC Communication Modules"],"specifications":{"CFC":"Yes; Optional","FBD":"Yes","I2t":"0.21 A²·s","IRT":"Yes","LAD":"Yes","MPI":"No","SCL":"Yes; Optional","STL":"Yes","UDP":"Yes; via integrated PROFINET interface and loadable FBs","DPV1":"Yes","Type":"SFB","Depth":"75 mm","GRAPH":"Yes; Optional","Width":"120 mm; DP master module: 35 mm","title":"6ES7151-8FB00-0AB0","Alarms":"Yes","Height":"119.5 mm","Inputs":"1 021","Number":"1","Preset":"No retentivity","RS 485":"Yes","STEP 7":"Yes; V5.4 SP4","TCP/IP":"Yes; via integrated PROFINET interface and loadable FBs","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; For program and data","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","SYNC/FREEZE":"Yes","Send cycles":"Adjustable: 250 µs, 500 µs and 1 ms","Single step":"Yes","Upper Limit":"6 000 ms","description":"***Spare part*** SIMATIC DP, IM151-8F PN/DP CPU f. ET200S, 192 KB work memory, int. PROFINET interface (with three RJ45 ports) as IO controller,without battery MMC required","Autocrossing":"Yes","Equidistance":"Yes","Inputs, max.":"244 byte","Number, max.":"See S7-300 operation list","PROFINET CBA":"No","Status block":"Yes","in AS, slave":"No","to DP, slave":"Yes; With DP master module","Outputs, max.":"244 byte","Plug-in (MMC)":"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 - 128 ms (with signal cycle 250 µs); 500 µs - 256 ms (with signal cycle 500 µs); 1 ms - 512 ms (with signal cycle 1 ms)","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","Firmware version":"V2.7","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":"Inputs, outputs","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","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 V5.4 SP4 or higher, Distributed Safety V5.4 SP4 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","Isolation tested with":"500 V DC","Number of breakpoints":"2","Number of startup OBs":"1; OB 100","Open IE communication":"No","Retentivity available":"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","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.":"180 byte","For Bit Operations, Typ.":"0.1 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.":"510 byte; per priority class","For Word Operations, Typ.":"0.2 µs","Global data communication":"No","Number of DP slaves, max.":"32; Per station","Number of delay alarm OBs":"1; OB 20","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.":"254 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","additional within an error OB":"4","from supply voltage 1L+, max.":"380 mA; 460 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":"1; OB 35","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.":"2 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","usable for S7 basic communication":"10","Number of modules per system, max.":"63; Centralized","For Floating Point Arithmetic, Typ.":"3 µs","Number of IO Devices per tool, max.":"8","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","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","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.":"8 192 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","simultaneously active Alarm-S blocks, max.":"300","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.":"64 byte","Direct data exchange (slave-to-slave communication)":"Yes","Number of IO devices with prioritized startup, max.":"32","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","Between Load Voltage And All Other Switching Components":"Yes","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: The 24 V DC/16 A miniature circuit breaker with type B tripping characteristics trips before the device protection fuse. The 24 V DC/16 A miniature circuit breaker with type C tripping characteristics trips","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 IO Devices that can be simultaneously activated/deactivated, max.":"8"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$880.11","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/599fb3d3d8592ec955b0ddbf0a810439.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=30533&mlfb=6ES7151-8FB00-0AB0"},"ai":{"faq":[{"question":"What programming languages does the 6ES7151-8FB00-0AB0 support?","answer":"It supports CFC (optional), FBD, LAD, STL, SCL (optional), GRAPH (optional), and HiGraph (optional)."},{"question":"What is the I/O capacity of this DP master module?","answer":"It can address 1 021 inputs and 1 021 outputs, as per the specification."},{"question":"Does the module include a PROFINET interface?","answer":"Yes, it has an integrated PROFINET interface that supports UDP and TCP/IP communication via loadable function blocks."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7151-8FB00-0AB0","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/6ES7151-8FB00-0AB0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}