{"product_id":"siemens-simatic-s5-6es5928-3ub12-cpu-928b-central-controller-module","title":"Siemens SIMATIC S5 6ES5928-3UB12 CPU 928B Central Controller Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #d32f2f;\"\u003eSiemens SIMATIC S5 6ES5928-3UB12 CPU 928B\u003c\/strong\u003e serves as a high-performance central controller for \u003cstrong style=\"color: #d32f2f;\"\u003eS5-135U\u003c\/strong\u003e and \u003cstrong style=\"color: #d32f2f;\"\u003eS5-155U\u003c\/strong\u003e automation systems. This module excels in demanding industrial environments by providing rapid bit and word processing capabilities. Engineers utilize this CPU in both single and multiprocessor configurations to manage complex logic tasks. The \u003cstrong style=\"color: #d32f2f;\"\u003e6ES5928-3UB12\u003c\/strong\u003e ensures consistent performance through cyclic, time-controlled, and hardware-interrupt-driven execution.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cstrong style=\"color: #d32f2f;\"\u003eSiemens\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong style=\"color: #d32f2f;\"\u003e6ES5928-3UB12 (CPU 928B)\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e \u003cstrong style=\"color: #d32f2f;\"\u003eSIMATIC S5\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V DC (±5%) and 24V DC (+25%\/-17%)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCurrent Consumption:\u003c\/strong\u003e 5A typical at 5V; 760mA max at 24V\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUser Memory:\u003c\/strong\u003e Up to 64KB (EPROM or RAM)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegrated DB RAM:\u003c\/strong\u003e 46KB\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProcessing Resources:\u003c\/strong\u003e 2048 Flags, 8192 S-Flags, 256 Timers, 256 Counters\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProgram Blocks:\u003c\/strong\u003e 256 PB, 256 SB, 256 FB, 256 FX\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eData Blocks:\u003c\/strong\u003e 256 DB and 256 DX (253 available each)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 40.64 x 233.4 x 160 mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDegree of Protection:\u003c\/strong\u003e IP 00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility and Installation\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Designed specifically for \u003cstrong style=\"color: #d32f2f;\"\u003eS5-135U\u003c\/strong\u003e and \u003cstrong style=\"color: #d32f2f;\"\u003eS5-155U\u003c\/strong\u003e central controllers.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMulti-Processor Use:\u003c\/strong\u003e Supports up to four \u003cstrong style=\"color: #d32f2f;\"\u003eCPU 928B\u003c\/strong\u003e units simultaneously.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePhysical Installation:\u003c\/strong\u003e Occupies 2 2\/3 standard plug-in stations in the S5 rack.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBus Connection:\u003c\/strong\u003e Connects via two backplane connectors to the S5 system bus.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProgramming Language:\u003c\/strong\u003e Compatible with standard \u003cstrong style=\"color: #d32f2f;\"\u003eSTEP 5\u003c\/strong\u003e software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDiagnostics and Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMode Control:\u003c\/strong\u003e Integrated front-panel switch allows for RUN, STOP, and Momentary-Contact operations.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStatus Indicators:\u003c\/strong\u003e Front-facing LEDs provide clear visual status for RUN and STOP modes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMemory Management:\u003c\/strong\u003e Supports Overall Reset, Reset, and Restart functions for system recovery.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaintenance Convenience:\u003c\/strong\u003e Modular design using double Eurocard formats simplifies physical handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLogistics and Support\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure package measuring 25.9 x 20.8 x 5.5 cm with a weight of 0.991 kg.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e We provide fast delivery via FedEx, UPS, or DHL.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLead Time:\u003c\/strong\u003e Orders are processed and dispatched within 24-48 hours.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e This product includes a comprehensive 12-month quality warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #d32f2f;\"\u003eSiemens 6ES5928-3UB12\u003c\/strong\u003e remains a vital component for legacy automation infrastructure. Our technicians recommend this module for facilities running high-speed, interrupt-driven logic in heavy manufacturing. It pairs effectively with \u003cstrong style=\"color: #d32f2f;\"\u003e923C\u003c\/strong\u003e coordinator modules to enhance processing capacity in distributed \u003cstrong style=\"color: #d32f2f;\"\u003eS5-155U\u003c\/strong\u003e architectures.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhat are the differences between Reset and Restart?\u003c\/strong\u003e\u003cbr\u003eThe Reset function clears all flags and timers and invokes OB 20, whereas Restart resumes program execution without clearing data.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIs the PG interface available on other modules?\u003c\/strong\u003e\u003cbr\u003eYes, the PG interface SI1 can be accessed directly on the \u003cstrong style=\"color: #d32f2f;\"\u003eCPU 928B\u003c\/strong\u003e or via the 923C coordinator module.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHow do I handle the boards during installation?\u003c\/strong\u003e\u003cbr\u003eThe two PCBs are factory-linked. Never attempt to separate these boards to avoid damaging the circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Guide\u003c\/h3\u003e\n\u003cp\u003eVerify your current S5 rack configuration before purchase. Ensure your existing backplane has at least 2 2\/3 slots available for the \u003cstrong style=\"color: #d32f2f;\"\u003eCPU 928B\u003c\/strong\u003e. Confirm your power supply unit provides adequate current, specifically the 5A requirement at 5V. If utilizing multiprocessor features, ensure the coordinator module is compatible with the \u003cstrong style=\"color: #d32f2f;\"\u003e6ES5928-3UB12\u003c\/strong\u003e version.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":45013877850294,"sku":"6ES5928-3UB12","price":258.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/6ES5928-3UB12_501d0b99-9dfc-4eba-a3d9-b4cb2a8e1a8a.jpg?v=1780383707","url":"https:\/\/www.plcsparehub.com\/products\/siemens-simatic-s5-6es5928-3ub12-cpu-928b-central-controller-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}