{"product_id":"6es5-374-2fm21-siemens-simatic-s5-plc-memory-card","title":"Siemens 6ES5374-2FM21 Simatic S5 Memory Card","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES5374-2FM21 is a specialized memory sub-module engineered for the Simatic S5 PLC product line. This solid-state EPROM card provides reliable, non-volatile storage for user programs and system configuration data. Designed for demanding industrial environments, it ensures that critical control logic remains intact during power cycles or system resets, facilitating rapid recovery in automated control applications.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNon-volatile storage technology prevents data loss during power outages.\u003c\/li\u003e\n\u003cli\u003eHardwired write-protection mechanisms to prevent accidental data corruption.\u003c\/li\u003e\n\u003cli\u003eGold-plated edge connectors for reliable contact and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eMaintenance-free operation with no internal batteries required.\u003c\/li\u003e\n\u003cli\u003eOptimized for direct integration with the S5 CPU backplane slot.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis memory card is primarily used in legacy Simatic S5 automation systems, including heavy manufacturing, chemical processing, and infrastructure control systems where long-term data retention is required for system programs and setpoints.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6ES5 374-2FM21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSimatic S5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Type\u003c\/td\u003e\n\u003ctd\u003eFlash EPROM \/ EEPROM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Retention\u003c\/td\u003e\n\u003ctd\u003e10 years minimum at 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC (via CPU interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the CPU is powered down before inserting or removing the memory card to prevent potential damage to the module or the controller backplane.\u003c\/li\u003e\n\u003cli\u003eHandle the module by the edges to avoid ESD (Electrostatic Discharge) damage to the internal components.\u003c\/li\u003e\n\u003cli\u003eVerify that the card is fully seated in the CPU memory slot to ensure proper electrical contact.\u003c\/li\u003e\n\u003cli\u003eKeep the module away from high-EMI sources and ensure the control cabinet is properly grounded to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eStore in a dry, climate-controlled environment when not in use to maintain the longevity of the memory cells.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this card require a backup battery?\u003c\/strong\u003e No, this is a non-volatile flash-based module that retains data without the need for battery buffering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this module compatible with all S5 CPUs?\u003c\/strong\u003e This module is designed for the Simatic S5 series; however, please verify your specific CPU model's memory slot compatibility and memory capacity limits before installation.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":48845666615486,"sku":"6ES5374-2FM21","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_ea91503d-65fd-4121-9a1a-1675c00c2a51.jpg?v=1788656010","url":"https:\/\/www.autooiltech.com\/products\/6es5-374-2fm21-siemens-simatic-s5-plc-memory-card","provider":"AutoOilTech Limited","version":"1.0","type":"link"}