{"product_id":"siemens-simatic-s7-micro-memory-card-512kb-6es7953-8lj31-0aa0-flash-storage","title":"Siemens SIMATIC S7 Micro Memory Card 512KB 6ES7953-8LJ31-0AA0 Flash Storage","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe Siemens 6ES7953-8LJ31-0AA0 is an industrial-grade Micro Memory Card (MMC) designed specifically for the non-volatile storage requirements of SIMATIC S7-300,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eC7,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand ET 200 distributed I\/O systems.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eWith a 512 KB capacity,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethis specialized flash medium serves as the central repository for the user program,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ehardware configuration,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand critical system data.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eUnlike commercial SD cards,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethis MMC is engineered for high-frequency read\/write cycles and extreme environmental resilience,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eensuring that automation logic remains intact even after total power loss.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIt is a mandatory component for the operation of most modern S7-300 CPUs,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eproviding the bridge between the engineering software and the physical controller.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eHardware Infrastructure and Storage Profile\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eStorage Capacity\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e512 Kilobytes (KB)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eMemory Technology\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHigh-reliability 3.\u003c\/span\u003e\u003cspan class=\"\"\u003e3V NAND Flash\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eWrite Endurance\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eMinimum 100,\u003c\/span\u003e\u003cspan class=\"\"\u003e000 write\/erase cycles\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eData Retention\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eUp to 10 years after the last programming event\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOperational Compatibility\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for SIMATIC S7-300,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eET 200M,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand C7 systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eFunctionality\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupports firmware updates and project backup without a PG\/PC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eUnit Weight\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e24 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePackage Dimensions\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e10.\u003c\/span\u003e\u003cspan class=\"\"\u003e5 cm x 12.\u003c\/span\u003e\u003cspan class=\"\"\u003e5 cm x 4.\u003c\/span\u003e\u003cspan class=\"\"\u003e0 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eManufacturing Origin\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eGermany\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eHS Classification\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e8537101190\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThis memory card features a ruggedized casing that protects the internal flash architecture against mechanical vibration and electrical noise,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhich are standard in factory automation cabinets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eIndustrial Applications and System Lifecycle\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe 6ES7953-8LJ31-0AA0 is a critical asset in any industrial facility utilizing S7-300 architecture.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts primary role is to ensure \"warm restarts\" in manufacturing lines,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhere machine parameters and step-chain positions must be retained during maintenance or outages.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIn the automotive and pharmaceutical sectors,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethese cards are used to store recipe data and audit logs that are vital for regulatory compliance.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eFurthermore,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 512KB capacity provides sufficient space for large-scale logic programs in complex assembly machines.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSince this specific model entered its product phase-out stage in late 2023,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit is an essential spare part for maintenance managers looking to secure the longevity of existing production assets.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eWhether for a new system deployment or the emergency replacement of a corrupted card,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethis German-engineered MMC provides the data integrity necessary for continuous 24\/7 operation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":45519010988205,"sku":"6ES7953-8LJ31-0AA0","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/siemens-6es7953-8lj31-0aa0-micro-memory-card-53d32nqm5qt.jpg?v=1766984720","url":"https:\/\/www.maxwellplc.com\/products\/siemens-simatic-s7-micro-memory-card-512kb-6es7953-8lj31-0aa0-flash-storage","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}