{"product_id":"6es5-374-2fm21-siemens-simatic-s5-plc-memory-card","title":"Siemens 6ES5374-2FM21 Simatic S5 Memory Card","description":"\u003cp\u003eThe Siemens 6ES5374-2FM21 is a specialized memory module engineered for the Simatic S5 PLC series. This non-volatile memory card is designed to provide reliable, long-term storage for user programs and system configurations, ensuring that critical control logic remains intact even during power-loss events. It serves as a vital component for maintaining uptime in legacy automation environments where data stability and rapid recovery are essential.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNon-volatile storage technology ensures program retention without the need for battery backup.\u003c\/li\u003e\n\u003cli\u003eRobust architecture designed for integration with Simatic S5 CPU memory slots.\u003c\/li\u003e\n\u003cli\u003eHigh-durability edge connectors to resist oxidation and contact failure in industrial atmospheres.\u003c\/li\u003e\n\u003cli\u003eIntegrated write-protection mechanisms to prevent unintended data modification during system faults or EMI surges.\u003c\/li\u003e\n\u003cli\u003eSolid-state design with no moving parts, enhancing reliability in high-vibration control cabinet environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis memory module is intended for use in industrial control systems requiring stable, long-term storage for PLC logic. It is widely utilized in legacy manufacturing, energy management, and material handling systems that rely on the Siemens S5 platform for continuous operation.\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\u003eMemory Type\u003c\/td\u003e\n\u003ctd\u003eFlash EPROM \/ EEPROM\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\u003eData Retention\u003c\/td\u003e\n\u003ctd\u003eMinimum 10 years at 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 deg C 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 deg C 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 electrical arcing or data corruption.\u003c\/li\u003e\n\u003cli\u003eHandle the module by the edges; avoid touching the gold-plated contact pins to prevent oil or debris contamination.\u003c\/li\u003e\n\u003cli\u003eVerify that the card is fully seated in the CPU memory slot to ensure proper bus connection.\u003c\/li\u003e\n\u003cli\u003eKeep the module away from high-EMC sources and ensure the control cabinet environment is free from excessive conductive dust.\u003c\/li\u003e\n\u003cli\u003eAlways back up your program data to a secondary source before performing maintenance or module replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this module require a battery?\u003c\/strong\u003e No, this is a non-volatile flash-based memory card and does not require battery buffering to retain data.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this card compatible with all S5 CPUs?\u003c\/strong\u003e This card is designed for specific Simatic S5 systems. Please verify your CPU's hardware manual to confirm compatibility with the 6ES5 374-2FM21 order code.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":44701406363736,"sku":"6ES5374-2FM21","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_0ae7768a-0282-4701-ba30-5accceffaa5a.jpg?v=1788373363","url":"https:\/\/www.industriaxplc.com\/id\/products\/6es5-374-2fm21-siemens-simatic-s5-plc-memory-card","provider":"IndustriaX Limited","version":"1.0","type":"link"}