{"product_id":"siemens-6es7414-4hm14-0ab0-cpu-processors","title":"Siemens 6ES7414-4HM14-0AB0 CPU Processors","description":"\u003cp\u003eThe \u003cstrong\u003eSiemens 6ES7414-4HM14-0AB0\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e6ES7414-4HM14-0AB0\u003c\/strong\u003e CPU 414H, operates as a dedicated hardware component for fault-tolerant and safety-related logic execution within SIMATIC S7-400H and S7-400F\/FH platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6ES7414-4HM14-0AB0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany (DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.56 lbs (1.16 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard S7-400 double-width module format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSourced via backplane rack power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Integrated Memory\u003c\/td\u003e\n\u003ctd\u003e2.8 MB (1.4 MB program memory, 1.4 MB data memory)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e4 interfaces total: 1 MPI\/DP, 1 dedicated Profibus DP, 2 synchronization module slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSiemens Industrial Control and Deterministic Redundancy\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP Deterministic Networks:\u003c\/strong\u003e The processor executes synchronous multi-master backup tracking loops over specialized fiber-optic links utilizing the dual integrated synchronization module interfaces. It maintains temporal alignment with the secondary hardware partner rack, keeping the bumpless failover switchover window within sub-millisecond tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity Licences:\u003c\/strong\u003e Operating within the S7-400 parallel backplane configuration, the CPU manages cyclic data transport across peripheral blocks. It maps memory allocation parameters evenly between internal execution stacks and external distributed Profibus DP field nodes to secure deterministic cycle times.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What technical behavior occurs on the active redundant synchronization links if one of the fiber-optic cables is uncoupled or broken?\u003c\/p\u003e\n\u003cp\u003eA: The CPU detects the loss of light framing tokens on that channel within microseconds. It automatically redirects the heartbeat alignment stream through the secondary synchronization link to preserve system uptime, logs a redundancy loss fault in the diagnostic buffer, and triggers the configured system status LEDs.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 6ES7414-4HM14-0AB0 module be hot-swapped or replaced online while the parallel rack is actively performing process tasks?\u003c\/p\u003e\n\u003cp\u003eA: Yes, in a qualified S7-400H configuration, the redundant partner processor handles the full loop control load while the disabled partner rack is powered down for maintenance. The replacement CPU inherits the operational program and current data registers across the synchronization links upon mechanical insertion and power-up.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":45139769786483,"sku":"6ES7414-4HM14-0AB0","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-29_12-00-16.png?v=1782713603","url":"https:\/\/www.dcssupplier.com\/products\/siemens-6es7414-4hm14-0ab0-cpu-processors","provider":"DcsSupplier Limited","version":"1.0","type":"link"}