{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6AG1512-1SK01-7AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6AG1512-1SK01-7AB0","canonicalUrl":"https://aoctrl.com/siemens/6AG1512-1SK01-7AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6AG1512-1SK01-7AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIPLUS S7-1500 CPU, 6AG1512-1SK01-7AB0, failsafe controller with PROFIsafe V2.4/V2.6, 32 kbyte each input/output process image.","salesMarkdown":"## CPU Role and Failsafe Architecture The 6AG1512-1SK01-7AB0: Forcing is allowed only in non-failsafe logic, which is standard for safety-rated CPUs: you can force a standard output during commissioning, but the safety channel remains protected. ## Programming and Diagnostic Coverage This CPU supports all five IEC languages: LAD, FBD, STL, SCL, and GRAPH. LAD and FBD include failsafe blocks, so you can program safety functions in ladder or function block. The GRAPH language is useful for sequential controls like batch processes. Diagnostic LEDs for ERROR and MAINT give immediate status without connecting a panel. Integrated PID-Temp and controllers include auto-tuning for temperature loops and valve positioning. That reduces the need for a separate loop controller or external PID module. ## Communication and Protocol Support Onboard Ethernet supports IRT, TCP/IP, UDP, MODBUS TCP, DHCP, DNS, DCP, SNMP, LLDP, and HTTP/HTTPS for standard and user web pages. The DNS and DCP protocols make network discovery and naming straightforward in PROFINET environments. RS-485 is available via a CM DP module for Modbus RTU or PROFIBUS DP. MRP is not supported, and MRPD is also not supported. That means this CPU is not intended for redundant ring topologies with media redundancy; use standard PROFINET line or star topologies. ## Protection and Thermal Coordination The CPU has an I2t rating of 0.14 A²·s. This is a thermal energy limit for internal protection — useful for cabinet coordination when sizing upstream fuses or breakers. It is not a branch circuit rating, but it confirms the CPU will ride through normal motor starting currents without immediate trip.","metaTitle":"Siemens 6AG1512-1SK01-7AB0 SIPLUS S7-1500 CPU, Failsafe","metaDescription":"Siemens SIPLUS S7-1500 CPU with PROFIsafe V2.4/V2.6, 32 kbyte I/O process image. Supports FBD, LAD (both failsafe), STL, SCL, GRAPH. Integrated PID temperature and valve control. I","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"DCP":"Yes","DNS":"Yes","FBD":"Yes; incl. failsafe","I2t":"0.14 A²·s","IRT":"Yes","LAD":"Yes; incl. failsafe","MRP":"No","SCL":"Yes","STL":"Yes","UDP":"Yes","DHCP":"Yes","HTTP":"Yes; Standard and user pages","LLDP":"Yes","MRPD":"No","SNMP":"Yes","Type":"Hardware clock","Depth":"75 mm","GRAPH":"Yes","HTTPS":"Yes; Standard and user pages","Width":"100 mm","title":"6AG1512-1SK01-7AB0","Height":"117 mm","Inputs":"32 kbyte; All inputs are in the process image","MODBUS":"Yes; MODBUS TCP","Number":"16","RS 485":"Yes; Via CM DP module","TCP/IP":"Yes","Via CM":"0","Forcing":"Yes; without fail-safe","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":"Yes; V2.4 / V2.6","Per Probe":"40","Supported":"Yes","Variables":"Inputs/outputs, memory bits, DBs, distributed I/Os, timers, counters","Adjustable":"Yes","Encryption":"Yes; Optional","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":"Siemens 6AG1512-1SK01-7AB0 — now in phase-out and being discontinued. Supplied from remaining channel stock; full specifications, lifecycle and same-series options are below.","Autocrossing":"Yes","Equidistance":"No","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","to DP, slave":"Yes; Via CM DP module","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","to DP, master":"Yes; Via CM DP module","Motion Control":"Yes; Note: The number of technology objects affects the cycle time of the PLC program; selection guide via the TIA Selection Tool","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":"1","Weight, approx.":"470 g","lifecycle_stage":"current","Block protection":"Yes","Isochronous mode":"No","Maintenance-Free":"Yes","Media redundancy":"No","Outputs (volume)":"8 kbyte","Power loss, typ.":"5.6 W","RJ 45 (Ethernet)":"Yes; X1 P3","Rated value (DC)":"24 V","Data length, max.":"2 kbyte; 1 472 bytes for UDP broadcast","H-Sync forwarding":"No","Number of PtP CMs":"the number of connectable PtP CMs is only limited by the number of available slots","Optical interface":"No","PROFIBUS DP slave":"Yes","Security policies":"Available security policies: None, Basic128Rsa15, Basic256Rsa15, Basic256Sha256","Forcing, variables":"Peripheral inputs/outputs","High-speed counter":"Yes","PROFIBUS DP master":"Yes","PROFINET IO Device":"Yes","Per Priority Class":"24; Up to 8 possible for F-blocks","Retentivity preset":"No","Data record routing":"Yes","PG/OP communication":"Yes; encryption with TLS V1.3 pre-selected","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.":"4.7 A; Rated value","Mode selector switch":"1","Number of IO modules":"2 048; max. number of modules / submodules","Per External Encoder":"80","Per Positioning Axis":"80","Per Synchronous Axis":"160","BusAdapter (PROFINET)":"No","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","SIL acc. to IEC 61508":"SIL 3","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.":"80; CPU + 64 modules + server module (mounting width max. 1 m) + 16 ET 200AL modules; > 60 °C ambient temperature CPU + 32 modules + server module + 16 ET 200AL 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; without fail-safe","Transmission rate, max.":"12 Mbit/s","User data per job, max.":"See online help (S7 communication, user data size)","For Bit Operations, Typ.":"48 ns","Integrated (For Program)":"300 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":"600","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.":"0.9 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.":"58 ns","Number of DP slaves, max.":"125; In total, up to 512 distributed I/O devices can be connected via AS-i, PROFIBUS or PROFINET","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)":"4 000; 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.":"50 °C; = Tmax","Vertical Installation, Min.":"-40 °C; = Tmin","SIMATIC memory card required":"Yes","Connection display LINK TX/RX":"Yes","Horizontal Installation, Max.":"70 °C; = Tmax","Horizontal Installation, Min.":"-40 °C; = Tmin (incl. condensation/frost)","Number of PROFIBUS interfaces":"1; Via CM DP module","Number of PROFINET interfaces":"1","Number of configurable Traces":"4; Up to 512 KB of data per trace are possible","Address space per module, max.":"288 byte; For input and output data respectively","Industrial Ethernet status LED":"Yes","MRP interconnection, supported":"No","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":"1","Number of server methods, max.":"20","Address space per station, max.":"2 560 byte; for central inputs and outputs; depending on configuration; 2 048 bytes for ET 200SP modules + 512 bytes for ET 200AL modules","Number of connections per CP/CM":"32","Number of synchronous error OBs":"2","Of Which Status Variables, Max.":"200; per job","For Fixed Point Arithmetic, Typ.":"77 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)":"0.6 A","Infeed power to the backplane bus":"8.75 W","Number of server interfaces, max.":"10 of each \"Server interfaces\" / \"Companion specification\" type and 20 of the type \"Reference namespace\"","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.":"307 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","permissible range, lower limit (DC)":"19.2 V","permissible range, upper limit (DC)":"28.8 V","Activation/deactivation of DP slaves":"Yes","Number of accessible variables, max.":"50 000","activation/deactivation of I-devices":"Yes; per user program","Protection level: Complete protection":"Yes","Number of connectable IO Devices, max.":"128; In total, up to 512 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","Monitoring of the supply voltage (PWR-LED)":"Yes","Number of technology synchronous alarm OBs":"2","Performance level according to ISO 13849-1":"PLe","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","Quantity of operable ET 200AL modules, max.":"16","Quantity of operable ET 200SP modules, max.":"64; > 60 °C ambient temperature: 32 modules","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","Low demand mode: PFDavg in accordance with SIL3":"< 2.00E-05","Module swapping during operation (hot swapping)":"Yes; Multi-hot swapping","Number of connections via integrated interfaces":"88","Several Passive Connections Per Port, Supported":"Yes","Number of inputs/outputs per server method, max.":"20","Number of loadable program messages in RUN, max.":"2 500","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)","Number of login stations for message functions, max.":"32","STEP 7 TIA Portal configurable/integrated from version":"see entry ID: 109746275","High demand/continuous mode: PFH in accordance with SIL3":"< 1.00E-09","Number of nodes for user-defined server interfaces, max.":"1 000","Retentive data area (incl. timers, counters, flags), max.":"128 kbyte; 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":"No","Number of inputs/outputs when calling OPC_UA_MethodCall, max.":"20","Number of registerable method calls of OPC_UA_MethodCall, max.":"100","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":null,"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=1400382&mlfb=6AG1512-1SK01-7AB0"},"ai":{"faq":[{"question":"Does the 6AG1512-1SK01-7AB0 support DCP and DNS?","answer":"Yes, DCP (Discovery and Configuration Protocol) and DNS (Domain Name System) are both supported, making network discovery and naming straightforward in PROFINET environments."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6AG1512-1SK01-7AB0","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/6AG1512-1SK01-7AB0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-06-30T18:16:53.605Z","lastPublished":"2026-06-30T18:16:53.605Z","indexable":true}}