{"product_id":"plc-siemens-6es7953-8ll31-0aa0-6es7-953-8ll31-0aa0-simatic-s7-micro-memory-card","title":"PLC | Siemens | 6ES7953-8LL31-0AA0 6ES7 953-8LL31-0AA0 SIMATIC S7 Micro Memory Card","description":"\u003ch2\u003eProduct Description: 6ES7953-8LL31-0AA0\u003c\/h2\u003e\r\n\u003cp\u003eThe 6ES7953-8LL31-0AA0 is a 4 MB Micro Memory Card designed for SIMATIC S7-300 CPUs. It provides non-volatile storage of user programs, data blocks, and system firmware. Installed in the CPU’s MMC slot, it is essential for CPU startup—loading and executing the control program from the card—and allows easy transfer, backup, and update of automation projects. Built to industrial- grade standards, it ensures reliable data retention even in harsh environments.\u003c\/p\u003e\r\n\u003ch2\u003eKey Features\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003e4 MB Storage Capacity\u003c\/strong\u003e: Accommodates medium-sized programs, data blocks, and recipes\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eNon-Volatile Memory\u003c\/strong\u003e: Retains all contents without battery or external power\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eFirmware Support\u003c\/strong\u003e: Enables CPU firmware upgrades via the card\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eRobust Design\u003c\/strong\u003e: Industry-grade durability for repeated write cycles\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play\u003c\/strong\u003e: Simple insertion\/removal; hot-swap in maintenance windows\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e: 4 MB\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eForm Factor\u003c\/strong\u003e: Proprietary SIMATIC MMC\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eData Retention\u003c\/strong\u003e: ≥ 10 years (without power)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eEndurance\u003c\/strong\u003e: ≥ 100 000 write cycles\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range\u003c\/strong\u003e: 0 °C … +60 °C\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e: Supplied via CPU MMC slot\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: S7-300 CPUs with MMC interface\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eFunctions\u003c\/strong\u003e: Program\/data storage, firmware updates\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eDimensions (approx.)\u003c\/strong\u003e: 24 × 32 × 2.1 mm\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: ≈ 5 g\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eApplication Areas\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eProgram Storage \u0026amp; Execution\u003c\/strong\u003e: Primary load memory for S7-300 CPUs\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eProject Backup \u0026amp; Transfer\u003c\/strong\u003e: Move automation projects between engineering stations and PLCs\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eFirmware Maintenance\u003c\/strong\u003e: Upgrade CPU firmware to latest revisions\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eData Logging\u003c\/strong\u003e: Store recipe or batch data for process control\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eAdvantages\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eHigh Reliability\u003c\/strong\u003e: Proven in industrial automation for secure program retention\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eEasy Handling\u003c\/strong\u003e: Snap-in installation and removal minimize downtime\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eExtended Endurance\u003c\/strong\u003e: Designed for frequent updates and long service life\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration\u003c\/strong\u003e: Fully supported in STEP 7 and TIA Portal for project management\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective\u003c\/strong\u003e: Standardized memory solution across S7-300 platforms\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Rabwellplc","offers":[{"title":"Default Title","offer_id":47070881120480,"sku":"07*6ES7953-8LL31-0AA0","price":123.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/1947\/9776\/files\/10_56cd132d-5850-469a-9378-2d886da0d849.jpg?v=1740649892","url":"https:\/\/rabwellplc.com\/products\/plc-siemens-6es7953-8ll31-0aa0-6es7-953-8ll31-0aa0-simatic-s7-micro-memory-card","provider":"Rabwellplc","version":"1.0","type":"link"}