{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"4EM5011-0AK00","brand":"Siemens","brandSlug":"siemens","productSlug":"4EM5011-0AK00","canonicalUrl":"https://aoctrl.com/siemens/4EM5011-0AK00","factsUrl":"https://aoctrl.com/api/mcp/products/4EM5011-0AK00","rawCanonicalId":null},"summary":{"shortDescription":"Siemens CPU 4EM5011-0AK00, PROFINET IRT with MRP redundancy manager, integrated PID controllers for temperature and valves, 32 kB input/output process image, 35 x 147 x 129 mm.","salesMarkdown":"## PROFINET IRT and MRP redundancy The Siemens 4EM5011-0AK00 CPU supports PROFINET IRT for deterministic, isochronous real-time communication — critical for motion control and high-speed I/O synchronization. It also functions as an MRP redundancy manager and/or MRP client, with a maximum ring size of 50 devices. MRPD is available when IRT is active, enabling media redundancy for isochronous data. This makes the CPU suitable for ring-topology networks where a single cable break must not drop the line. ## Integrated PID control for temperature and valves Two PID controller variants are built in: PID-Temp with integrated optimization for temperature loops, and for valve actuators. Each controller supports up to 40 probes. This eliminates the need for a separate loop controller on applications like oven zones, autoclaves, or HVAC valve banks — the CPU handles the closed-loop logic directly. ## Process image and programming languages The process image allocates 32 kbyte for inputs and 32 kbyte for outputs — all inputs and outputs are mapped into the image, so no manual remapping is needed for standard I/O. Programming options include LAD, FBD, STL, SCL, and GRAPH, covering ladder, function block, structured text, and sequential control. DCP (Discovery and Configuration Protocol) is supported for network setup. ## Communication interfaces and protocols The CPU communicates via PROFINET at 100 Mbps. MODBUS TCP, TCP/IP, UDP, HTTP, HTTPS, SNMP, and LLDP are all supported. DHCP is not enabled — addressing is fixed or configured via DCP. A maximum of 6 communication modules (PROFINET + PROFIBUS) can be inserted in total. I&M data (I&M0 to I&M3) is present for asset identification. ## Environmental range and diagnostics On-board diagnostics include an ERROR LED and a MAINT LED for quick fault indication. The hardware clock maintains timekeeping across power cycles. Dimensions are 35 mm wide, 147 mm high, 129 mm deep — fits standard 35 mm DIN-rail enclosures.","metaTitle":"4EM5011-0AK00 Siemens CPU, PROFINET IRT, MRP, PID control","metaDescription":"Siemens 4EM5011-0AK00 CPU with PROFINET IRT, MRP redundancy manager, PID temperature/valve control, 32 kB I/O image, -40 to 70 °C. Available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Line/Load Reactors"],"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","Height":"147 mm","Inputs":"32 kbyte; All inputs are in the process image","MODBUS":"Yes; MODBUS TCP","Number":"16","TCP/IP":"Yes","Via CM":"6; A maximum of 6 CMs (PROFINET + PROFIBUS) 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","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.":"300 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","Autocrossing":"Yes","Equidistance":"Yes","Mode buttons":"2","Number range":"0 ... 65 535","Number, max.":"16 kbyte","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":"mature","Block protection":"Yes","Firmware version":"V2.6","Isochronous mode":"No","Maintenance-Free":"Yes","Media redundancy":"Yes; MRP Automanager according to IEC 62439-2 Edition 2.0","Outputs (volume)":"8 kbyte","Power loss, typ.":"5.7 W","RJ 45 (Ethernet)":"Yes; X1","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","HW functional status":"FS01","ISO-on-TCP (RFC1006)":"Yes","Inrush current, max.":"1.9 A; Rated value","Number of IO modules":"2 048; 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)":"1.5 Mbyte","Number of breakpoints":"8","Number of lines, max.":"1","Number of startup OBs":"100","Open IE communication":"Yes","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","Type of supply voltage":"24 V DC","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.":"40 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":"300","Number of sessions, max.":"32","Number of time alarm OBs":"20","Of Which Powerfail-Proof":"500","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.":"48 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.":"0 °C","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.":"0 °C","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 monitored items, max.":"1 000; for 1 s sampling interval and 1 s send interval","Number of synchronous error OBs":"2","Of Which Status Variables, Max.":"200; per job","For Fixed Point Arithmetic, Typ.":"64 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","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.":"256 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 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","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","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","Number of alarms for motion technology objects":"80","Number of nodes of the client interfaces, max.":"1 000","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)","Power consumption from the backplane bus (balanced)":"5.5 W","Number of login stations for message functions, max.":"32","STEP 7 TIA Portal configurable/integrated as of version":"V15.1 (FW V2.6) / V15 (FW V2.5) or higher; with older TIA Portal versions configurable as 6ES7513-1AL01-0AB0","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 inputs/outputs when calling OPC_UA_MethodCall, max.":"20","Number of registerable method calls of OPC_UA_MethodCall, max.":"100","Isochronous operation (application synchronized up to terminal)":"Yes; Distributed and central; with minimum OB 6x cycle of 500 µs (distributed) and 1 ms (central)","Extended retentive data area (incl. timers, counters, flags), max.":"1.5 Mbyte; When using PS 6 0W 24/48/60 V DC HF","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","Number of available Motion Control resources for technology objects (except cam disks)":"800","Number of simultaneous calls of the client instructions OPC_UA_ReadList,OPC_UA_WriteList and OPC_UA_MethodCall, max.":"5","Number of simultaneous calls of the client instructions per connection (except OPC_UA_ReadList,OPC_UA_WriteList,OPC_UA_MethodCall), max.":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=486258&mlfb=4EM5011-0AK00","alternativesUrl":"https://aoctrl.com/api/mcp/products/4EM5011-0AK00/alternatives.json"},"ai":{"faq":[{"question":"What does DCP (Yes) mean on this CPU?","answer":"DCP (Discovery and Configuration Protocol) is supported, meaning the CPU can be identified and assigned an IP address via PROFINET without a separate DHCP server. This is standard for Siemens PROFINET devices and simplifies initial network commissioning."},{"question":"What does FBD (Yes) mean on this CPU?","answer":"FBD (Function Block Diagram) is a supported programming language. It allows graphical wiring of logic blocks, useful for signal conditioning and closed-loop control sequences. The CPU also supports LAD, STL, SCL, and GRAPH."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/4EM5011-0AK00","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/4EM5011-0AK00 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}}