{"product_id":"fanuc-from-sram-module-for-0i-b-0i-mate-b-0i-c-0i-mate-c-16i-18i-21i-a20b-3900-0163","title":"Fanuc FROM\/SRAM module for 0i-B\/ 0i Mate-B\/ 0i-C\/ 0i Mate-C\/ 16i\/ 18i\/ 21i A20B-3900-0163","description":"\u003ch3 data-start=\"0\" data-end=\"76\"\u003e📌 \u003cstrong data-start=\"7\" data-end=\"76\"\u003e\u003cspan class=\"entity-underline hover:entity-accent inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eFANUC A20B‑3900‑0163\u003c\/span\u003e\u003c\/span\u003e — FROM + SRAM Memory Module\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"78\" data-end=\"386\"\u003e\u003cstrong data-start=\"78\" data-end=\"94\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"94\" data-end=\"97\"\u003eThe \u003cstrong data-start=\"101\" data-end=\"125\"\u003eFANUC A20B‑3900‑0163\u003c\/strong\u003e is a \u003cstrong data-start=\"131\" data-end=\"183\"\u003ecombined FROM (Flash ROM) and SRAM memory module\u003c\/strong\u003e used in FANUC CNC controllers. It provides both \u003cstrong data-start=\"232\" data-end=\"264\"\u003enon‑volatile program storage\u003c\/strong\u003e and \u003cstrong data-start=\"269\" data-end=\"287\"\u003eworking memory\u003c\/strong\u003e required by the control system’s CPU and operating software. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"388\" data-end=\"415\"\u003e\u003cstrong data-start=\"388\" data-end=\"413\"\u003eMemory Configuration:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"416\" data-end=\"729\"\u003e\n\u003cli data-start=\"416\" data-end=\"525\"\u003e\n\u003cp data-start=\"418\" data-end=\"525\"\u003e📦 \u003cstrong data-start=\"421\" data-end=\"447\"\u003e32 MB FROM (Flash ROM)\u003c\/strong\u003e — stores the CNC controller’s \u003cstrong data-start=\"478\" data-end=\"522\"\u003efirmware, system files, and program code\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"526\" data-end=\"729\"\u003e\n\u003cp data-start=\"528\" data-end=\"729\"\u003e💾 \u003cstrong data-start=\"531\" data-end=\"544\"\u003e1 MB SRAM\u003c\/strong\u003e — acts as \u003cstrong data-start=\"555\" data-end=\"582\"\u003evolatile working memory\u003c\/strong\u003e for system operation and data buffering, often \u003cstrong data-start=\"630\" data-end=\"648\"\u003ebattery‑backed\u003c\/strong\u003e for parameter retention during power loss. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"731\" data-end=\"1065\"\u003e\u003cstrong data-start=\"731\" data-end=\"751\"\u003eFunction \u0026amp; Role:\u003c\/strong\u003e\u003cbr data-start=\"751\" data-end=\"754\"\u003eThis memory card plugs into the \u003cstrong data-start=\"786\" data-end=\"821\"\u003emain control board or backplane\u003c\/strong\u003e of compatible FANUC CNC systems (e.g., \u003cstrong data-start=\"861\" data-end=\"895\"\u003eSeries 16i, 18i, 21i Model A\/B\u003c\/strong\u003e controllers) and serves as the \u003cstrong data-start=\"927\" data-end=\"953\"\u003ecentral storage medium\u003c\/strong\u003e for the operating software and dynamic data that the CNC uses at runtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1067\" data-end=\"1085\"\u003e\u003cstrong data-start=\"1067\" data-end=\"1083\"\u003eTypical Use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1086\" data-end=\"1640\"\u003e\n\u003cli data-start=\"1086\" data-end=\"1202\"\u003e\n\u003cp data-start=\"1088\" data-end=\"1202\"\u003e\u003cstrong data-start=\"1088\" data-end=\"1109\"\u003eFirmware Storage:\u003c\/strong\u003e Holds the controller’s operating system and system programs that enable CNC functionality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1203\" data-end=\"1329\"\u003e\n\u003cp data-start=\"1205\" data-end=\"1329\"\u003e\u003cstrong data-start=\"1205\" data-end=\"1224\"\u003eRuntime Memory:\u003c\/strong\u003e The SRAM portion stores active data, ladder logic, and working parameters while the system is running.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1330\" data-end=\"1452\"\u003e\n\u003cp data-start=\"1332\" data-end=\"1452\"\u003e\u003cstrong data-start=\"1332\" data-end=\"1356\"\u003eReplacement\/Upgrade:\u003c\/strong\u003e Used when upgrading memory capacity or replacing a failed memory module in older controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1453\" data-end=\"1640\"\u003e\n\u003cp data-start=\"1455\" data-end=\"1640\"\u003e\u003cstrong data-start=\"1455\" data-end=\"1467\"\u003eBackups:\u003c\/strong\u003e After replacement, system programs and parameters may need to be \u003cstrong data-start=\"1533\" data-end=\"1545\"\u003ereloaded\u003c\/strong\u003e from backup to match the specific machine configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JJAutomation","offers":[{"title":"New","offer_id":44705498857608,"sku":"A20B-3900-0163","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":46109836673160,"sku":"A20B-3900-0163","price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/1903\/3224\/files\/WhatsAppImage2025-10-18at1.47.49PM-2026-01-21T161802.069.jpg?v=1768992489","url":"https:\/\/jjautomation.in\/products\/fanuc-from-sram-module-for-0i-b-0i-mate-b-0i-c-0i-mate-c-16i-18i-21i-a20b-3900-0163","provider":"JJAutomation","version":"1.0","type":"link"}