{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6AG1511-1AK02-2AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6AG1511-1AK02-2AB0","canonicalUrl":"https://aoctrl.com/siemens/6AG1511-1AK02-2AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6AG1511-1AK02-2AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIPLUS S7-1500 CPU, 6AG1511-1AK02-2AB0, 32 kB I/O, -40 to 70 °C, supports LAD, FBD, STL, SCL, GRAPH, PID, IRT, MRP, MODBUS TCP, hardware clock, 35×147×129 mm.","salesMarkdown":"## Integrator note: extended-temperature CPU for controlled loops All process inputs and outputs are mapped into a 32 kB image (inputs and outputs each 32 kB), which directly sets the maximum I/O count for your rack. Programming languages include LAD, FBD, STL, SCL, and GRAPH; the unit also carries integrated PID controllers for temperature and valve control. Network resilience is supported through MRP (redundancy manager and client, ring up to 50 devices) and MRPD (requiring IRT). For fieldbus integration, MODBUS TCP is built in; a maximum of four communication modules (PROFIBUS, PROFINET, Ethernet) can be added via the CM connector. ## Compliance and documentation posture Hardware clock with I&M data 0–3, diagnostic LEDs, DCP support. Lifecycle status not published; request supplier declaration when quoting. ## Mounting and integration checklist Envelope dimensions: 35 mm wide, 147 mm high, 129 mm deep – fits a standard DIN-rail S7-1500 slot. The process image limit (32 kB inputs, 32 kB outputs) must be observed when configuring the I/O bus; distributed I/O counts toward this image. For network redundancy, the unit can serve as MRP manager in rings of up to 50 nodes; MRPD requires IRT basis. Four CM/CP slots are available for additional fieldbus interfaces. The integrated PID loops (temperature, valve) execute in the CPU cycle without an external controller.","metaTitle":"Siemens 6AG1511-1AK02-2AB0 SIPLUS S7-1500 CPU, -40-70°C","metaDescription":"SIPLUS S7-1500 CPU rated -40 to 70°C, 32 kB I/O process image, LAD/FBD/STL/SCL/GRAPH, PID control, IRT, MRP, MODBUS TCP, diagnostic LEDs.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"DCP":"Yes","FBD":"Yes","I2t":"0.02 A²·s","IRT":"Yes","LAD":"Yes","MRP":"Yes; as MRP redundancy manager and/or MRP client; max. number of devices in the ring: 50","SCL":"Yes","STL":"Yes","UDP":"Yes","DHCP":"No","HTTP":"Yes; Standard and user pages","LLDP":"Yes","MRPD":"Yes; Requirement: IRT","Max.":"70 °C","Min.":"-40 °C","SNMP":"Yes","Type":"Hardware clock","Depth":"129 mm","GRAPH":"Yes","HTTPS":"Yes; Standard and user pages","Width":"35 mm","title":"6AG1511-1AK02-2AB0","Height":"147 mm","Inputs":"32 kbyte; All inputs are in the process image","MODBUS":"Yes; MODBUS TCP","Number":"16","TCP/IP":"Yes","Via CM":"4; A maximum of 4 CMs/CPs (PROFIBUS, PROFINET, Ethernet) can be inserted in total","Outputs":"32 kbyte; All outputs are in the process image","Present":"Yes","100 Mbps":"Yes","I&M data":"Yes; I&M0 to I&M3","PID-Temp":"Yes; PID controller with integrated optimization for temperature","ERROR LED":"Yes","MAINT LED":"Yes","PID_3Step":"Yes; PID controller with integrated optimization for valves","PROFIsafe":"No","Per Probe":"40","Supported":"Yes","Variables":"Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters","Adjustable":"Yes","Integrated":"1","S7 routing":"Yes","Size, max.":"16 kbyte","Web server":"Yes","Backup time":"6 wk; At 40 °C ambient temperature, typically","IP protocol":"Yes; IPv4","Lower Limit":"adjustable minimum cycle time","PID_Compact":"Yes; Universal PID controller with integrated optimization","PROFIenergy":"Yes; per user program","Single step":"No","Upper Limit":"adjustable maximum cycle time","Via Dataset":"Yes","description":"SIPLUS S7-1500 CPU 1511-1 PN based on 6ES7511-1AK02-0AB0 with conformal coating, -40…+60 °C, central processing unit with work memory 150 KB for program and 1 MB for data, 1st interface: PROFINET IRT with 2-port switch, 60 ns bit performance, SIMATIC Memory Card required spare part display: 6AG1591-1AB00-2AA0","Autocrossing":"Yes","Equidistance":"Yes","Mode buttons":"2","Number range":"0 ... 65 535","RUN/STOP LED":"Yes","Status block":"Yes; Up to 8 simultaneously (in total across all ES clients)","in AS, slave":"Yes","OPC UA Client":"Yes","OPC UA Server":"Yes; Data access (read, write, subscribe), method call, custom address space","Per Cam Track":"160","Shared device":"Yes","UDP multicast":"Yes; Max. 5 multicast circuits","in AS, master":"Yes","Motion Control":"Yes; Note: The number of axes affects the cycle time of the PLC program; selection guide via the TIA Selection Tool or SIZER","Number of keys":"8","Per Output Cam":"20","Program alarms":"Yes","Updating times":"The minimum value of the update time also depends on communication share set for PROFINET IO, on the number of IO devices, and on the quantity of configured user data","Autonegotiation":"Yes","Copy protection":"Yes","Inputs (volume)":"8 kbyte","Number of ports":"2","STOP ACTIVE LED":"Yes","Weight, approx.":"405 g","lifecycle_stage":"current","Block protection":"Yes","Isochronous mode":"No","Maintenance-Free":"Yes","Media redundancy":"Yes","Outputs (volume)":"8 kbyte","Power loss, typ.":"5.7 W","RJ 45 (Ethernet)":"Yes; X1","Rated value (DC)":"24 V","Data length, max.":"2 kbyte; 1 472 bytes for UDP broadcast","H-Sync forwarding":"Yes","Integrated Switch":"Yes","Number of PtP CMs":"the number of connectable PtP CMs is only limited by the number of available slots","Repeat rate, min.":"1/s","Security policies":"Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256","Forcing, variables":"Peripheral inputs/outputs","High-speed counter":"Yes","PROFINET IO Device":"Yes","Per Priority Class":"24","Retentivity preset":"No","PG/OP communication":"Yes","Prioritized startup":"Yes; Max. 32 PROFINET devices","User authentication":"\"anonymous\" or by user name & password","on Ethernet via NTP":"Yes","Direct data exchange":"Yes; Requirement: IRT and isochronous mode (MRPD optional)","ISO-on-TCP (RFC1006)":"Yes","Inrush current, max.":"1.9 A; Rated value","Number of IO modules":"1 024; max. number of modules / submodules","Password for display":"Yes","Per External Encoder":"80","Per Positioning Axis":"80","Per Synchronous Axis":"160","Screen diagonal [cm]":"3.45 cm","Integrated (For Data)":"1 Mbyte","Number of breakpoints":"8","Number of lines, max.":"1","Number of startup OBs":"100","Open IE communication":"Yes; Optionally also encrypted","SIMATIC communication":"Yes","For Send Cycle Of 1 Ms":"1 ms to 512 ms","For Send Cycle Of 2 Ms":"2 ms to 512 ms","For Send Cycle Of 4 Ms":"4 ms to 512 ms","Modules per rack, max.":"32; CPU + 31 modules","Of Which In Line, Max.":"128","PROFINET IO Controller":"Yes","Retentivity adjustable":"Yes","Asset management record":"Yes; per user program","Deviation per day, max.":"10 s; Typ.: 2 s","Number of entries, max.":"1 000","Sampling interval, min.":"100 ms","Status/control variable":"Yes","User data per job, max.":"See online help (S7 communication, user data size)","For Bit Operations, Typ.":"60 ns","Integrated (For Program)":"150 kbyte","Number of DPV1 alarm OBs":"3","Number of clock memories":"8; 8 clock memory bit, grouped into one clock memory byte","Number of free cycle OBs":"100","Number of program alarms":"300","Number of sessions, max.":"32","Number of time alarm OBs":"20","Of Which Powerfail-Proof":"500","Per Priority Class, Max.":"64 kbyte; max. 16 KB per block","Runtime license required":"Yes","Current consumption, max.":"0.95 A","For Send Cycle Of 250 μS":"250 µs to 128 ms","For Send Cycle Of 500 μS":"500 µs to 256 ms","For Word Operations, Typ.":"72 ns","Number of delay alarm OBs":"20","Number of variables, max.":"200","Per Speed-Controlled Axis":"40","Publishing interval, min.":"500 ms","Application authentication":"Yes","Number of S7 routing paths":"16","Number of elements (total)":"2 000; Blocks (OB, FB, FC, DB) and UDTs","Number of connections, max.":"4","Number of process alarm OBs":"50","Reverse polarity protection":"Yes","S7 communication, as client":"Yes","S7 communication, as server":"Yes","Vertical Installation, Max.":"40 °C; Display: 40 °C, at an operating temperature of typically 40 °C, the display is switched off","Vertical Installation, Min.":"-40 °C; = Tmin (incl. condensation/frost)","SIMATIC memory card required":"Yes","Connection display LINK TX/RX":"Yes","Horizontal Installation, Max.":"60 °C; Display: 50 °C, at an operating temperature of typically 50 °C, the display is switched off","Horizontal Installation, Min.":"-40 °C; = Tmin (incl. condensation/frost)","Number of PROFINET interfaces":"1","Number of configurable Traces":"4; Up to 512 KB of data per trace are possible","Industrial Ethernet status LED":"Yes","Number of cyclic interrupt OBs":"20; With minimum OB 3x cycle of 500 µs","Number of diagnostic alarm OBs":"1","Number of isochronous mode OBs":"2","Number of server methods, max.":"20","Number of synchronous error OBs":"2","Of Which Status Variables, Max.":"200; per job","For Fixed Point Arithmetic, Typ.":"96 ns","Number of asynchronous error OBs":"4","Number of distributed IO systems":"32; A distributed I/O system is characterized not only by the integration of distributed I/O via PROFINET or PROFIBUS communication modules, but also by the connection of I/O via AS-i master modules or links (e.g. IE/PB-Link)","Of Which Control Variables, Max.":"200; per job","Current consumption (rated value)":"0.7 A","Infeed power to the backplane bus":"10 W","Number of server interfaces, max.":"10; or 20, depending on type of server interface","Number of subprocess images, max.":"32","Number of registerable nodes, max.":"10 000","Of which IO devices with IRT, max.":"64","Protection level: Write protection":"Yes","For Floating Point Arithmetic, Typ.":"384 ns","Joint commission (Team Engineering)":"Yes; Parallel online access possible for up to 5 engineering systems","Number of IO Devices per tool, max.":"8","Plug-in (SIMATIC Memory Card), max.":"32 Gbyte","Switchover time on line break, typ.":"200 ms; For MRP, bumpless for MRPD","permissible range, lower limit (DC)":"19.2 V","permissible range, upper limit (DC)":"28.8 V","Number of accessible variables, max.":"50 000","Number of stations in the ring, max.":"50","Protection level: Complete protection":"Yes","Number of connectable IO Devices, max.":"128; In total, up to 256 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET","Number of alarms for system diagnostics":"100","Number of slots for SIMATIC memory card":"1","Protection level: Read/write protection":"Yes","Mains/voltage failure stored energy time":"5 ms","Number of subscriptions per session, max.":"20","Number of technology synchronous alarm OBs":"2","Installation altitude above sea level, max.":"5 000 m; Restrictions for installation altitudes > 2 000 m, see manual","Number of monitored items, recommended max.":"1 000; for 1 s sampling interval and 1 s send interval","User program protection/password protection":"Yes","Number of configurable program messages, max.":"5 000; Program messages are generated by the \"Program_Alarm\" block, ProDiag or GRAPH","Number of connectable IO Devices for RT, max.":"128","Number of connections reserved for ES/HMI/web":"10","Protection against fouling acc. to EN 60664-3":"Yes; Type 1 protection","Number of alarms for motion technology objects":"80","Number of connections via integrated interfaces":"64","Several Passive Connections Per Port, Supported":"Yes","Number of inputs/outputs per server method, max.":"20","Number of IO Controllers with shared device, max.":"4","With IRT and parameterization of \"odd\" send cycles":"Update time = set \"odd\" send clock (any multiple of 125 µs: 375 µs, 625 µs ... 3 875 µs)","Power consumption from the backplane bus (balanced)":"5.5 W","Ambient air temperature-barometric pressure-altitude":"Restrictions for installation altitudes > 2 000 m, see entry ID: 109763260","Number of login stations for message functions, max.":"32","STEP 7 TIA Portal configurable/integrated from version":"see entry ID: 109746275","Number of nodes for user-defined server interfaces, max.":"1 000","Retentive data area (incl. timers, counters, flags), max.":"128 kbyte; In total; available retentive memory for bit memories, timers, counters, DBs, and technology data (axes): 88 KB","Number of nodes of the client interfaces, recommended max.":"1 000","Resistant to commercially available coolants and lubricants":"Yes; Incl. diesel and oil droplets in the air","Number of inputs/outputs when calling OPC_UA_MethodCall, max.":"20","Number of registerable method calls of OPC_UA_MethodCall, max.":"100","Extended retentive data area (incl. timers, counters, flags), max.":"1 Mbyte; When using PS 6 0W 24/48/60 V DC HF","Number of available Motion Control resources for technology objects":"800","Number of elements for one call of OPC_UA_MethodGetHandleList, max.":"100","Number of elements for one call of OPC_UA_NameSpaceGetIndexList, max.":"20","Number of positioning axes at motion control cycle of 4 ms (typical value)":"5","Number of positioning axes at motion control cycle of 8 ms (typical value)":"10","Number of IO Devices that can be simultaneously activated/deactivated, max.":"8; in total across all interfaces","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)","Number of simultaneous calls of the client instructions for data access, per connection, max.":"5","Number of simultaneous calls of the client instructions for session management, per connection, max.":"1","Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830A":"Yes; Conformal coating, Class A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2,503.50","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/2ed26864a4538689e263fb80d426fcbf.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=1201613&mlfb=6AG1511-1AK02-2AB0"},"ai":{"faq":[{"question":"What is the operating temperature range of this CPU?","answer":"The SIPLUS variant is rated for continuous operation from -40 °C to 70 °C ambient."},{"question":"Does it support MRP network redundancy?","answer":"Yes, it can operate as MRP redundancy manager or client in rings with up to 50 devices. MRPD is also supported when IRT is enabled."},{"question":"What programming languages are available?","answer":"The CPU supports LAD, FBD, STL, SCL, and GRAPH. It includes PID_Temp and PID_3Step blocks."},{"question":"What is the maximum I/O process image size?","answer":"The process image is 32 kB for inputs and 32 kB for outputs, covering all I/O mapped on the backplane."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6AG1511-1AK02-2AB0","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/6AG1511-1AK02-2AB0 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}}