{"product_id":"siemens-6es5928-3ub12-simatic-s5-cpu-928b-central-processor-module","title":"Siemens 6ES5928-3UB12 SIMATIC S5 CPU 928B Central Processor Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-752 citation-end-752\"\u003eThe 6ES5928-3UB12 is a high-performance CPU 928B central processing unit designed for the Siemens SIMATIC S5-135U and S5-155U programmable logic controller systems.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eAs a critical component of the S5 legacy platform, this module provides the computational speed and memory management necessary for complex open-loop and closed-loop control tasks. It is specifically engineered to handle sophisticated automation sequences in large-scale industrial environments, offering a reliable path for maintaining and optimizing established manufacturing infrastructures.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis processor is distinguished by its ability to manage high-speed data processing and its integration of advanced interrupt handling. It remains a vital asset for facilities requiring exact replacement parts for their S5 hardware to ensure continuous operation without the immediate need for a full system migration.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Series:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSIMATIC S5, CPU 928B\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-751\"\u003e\u003c\/span\u003e\u003cstrong\u003eMemory Configuration:\u003c\/strong\u003e\u003cspan class=\"citation-751 citation-end-751\"\u003e\u003cspan\u003e \u003c\/span\u003e46 KB internal RAM for data and 64 KB EEPROM capacity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstruction Execution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-speed processing for binary and floating-point math\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterrupt Handling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports delay interrupts via Organization Block (OB) 6 with 1ms resolution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompatible with SINEC L1 and various S5-level networking protocols\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Retention:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRetentive cold restart functionality for critical process data preservation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Consumption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 0.8A to 1.2A from the 5V backplane bus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard S5-135U\/155U double-width module format\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.95 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimentions\u003c\/strong\u003e:\u003cspan\u003e2.5 cm x 5.1 cm x 8.8 cm\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMade in Germany\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Logic and System Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 6ES5928-3UB12 CPU 928B introduced a more flexible architecture for memory utilization, allowing for alternative loading methods of data blocks. This versatility enables developers to optimize program execution based on specific machinery requirements. The inclusion of specialized organization blocks allows the CPU to respond to time-critical events with high precision, making it suitable for applications in chemical processing, automotive assembly, and power distribution where timing is paramount.\u003c\/p\u003e\n\u003cp\u003eFurthermore, the module’s robust electrical design is tailored for the high-vibration and electrically noisy environments common in heavy industry. Even as a legacy component, its diagnostic capabilities via front-panel LEDs provide immediate feedback on CPU status, parity errors, and battery health, facilitating rapid maintenance and minimizing unplanned downtime in mission-critical systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":45519032680621,"sku":"6ES5928-3UB12","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/siemens-6es5928-3ub12-cpu-module-qyiccsqip3s.jpg?v=1766985319","url":"https:\/\/www.maxwellplc.com\/products\/siemens-6es5928-3ub12-simatic-s5-cpu-928b-central-processor-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}