{"product_id":"6es5-947-3ur21-siemens-simatic-s5-155h-cpu-947r-processor-product-overvie","title":"Siemens 6ES5947-3UR21 SIMATIC S5 CPU 947R Processor Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES5947-3UR21 is a high-performance central processing unit (CPU) module belonging to the SIMATIC S5 automation system family. Specifically designated as the CPU 947R, this processor module is engineered for demanding industrial control environments requiring reliable logic processing and system management. As a legacy component, it remains a critical spare for maintaining existing S5-based infrastructures.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for integration within the SIMATIC S5 programmable logic controller architecture.\u003c\/li\u003e\n\u003cli\u003eRobust processing capabilities suitable for complex automation tasks.\u003c\/li\u003e\n\u003cli\u003eEngineered for high-availability configurations within industrial control systems.\u003c\/li\u003e\n\u003cli\u003eLegacy support for established manufacturing and process control installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e6ES5947-3UR21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eCPU 947R Processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternative\/Replacement\u003c\/td\u003e\n\u003ctd\u003eCPU 948R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537109060\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the power supply is completely disconnected before attempting to install or remove the CPU module from the rack.\u003c\/li\u003e\n\u003cli\u003eHandle the module using proper ESD (electrostatic discharge) precautions to prevent damage to sensitive internal circuitry.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is correctly seated in the designated slot and that all locking mechanisms are fully engaged to ensure a stable electrical connection.\u003c\/li\u003e\n\u003cli\u003eEnsure that the control cabinet provides adequate ventilation to maintain operating temperatures within the specified range, preventing overheating.\u003c\/li\u003e\n\u003cli\u003eCheck all backplane connections for debris or oxidation before installation to ensure reliable communication across the S5 bus.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the Siemens 6ES5947-3UR21 still being manufactured?\u003c\/h3\u003e\u003cp\u003eNo, this model has been officially discontinued by Siemens. It is currently sought after as a spare part for the maintenance and repair of legacy SIMATIC S5 systems.\u003c\/p\u003e\u003ch3\u003eWhat is the recommended replacement for this unit?\u003c\/h3\u003e\u003cp\u003eThe CPU 948R is often cited as a functional alternative or replacement for the 947R series. We recommend consulting your specific system documentation or a qualified systems engineer to verify compatibility with your existing application code and hardware configuration.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":44727451058264,"sku":"6ES5947-3UR21","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_74a2a0fb-eb95-4cee-8507-51ec1b96b8af.jpg?v=1788568112","url":"https:\/\/www.industriaxplc.com\/id\/products\/6es5-947-3ur21-siemens-simatic-s5-155h-cpu-947r-processor-product-overvie","provider":"IndustriaX Limited","version":"1.0","type":"link"}