{"product_id":"fanuc-sram-from-for-0i-a-0i-mate-a-a20b-2902-0341-copy","title":"Fanuc SRAM\/FROM for 0i-A\/ 0i Mate-A A20B-2902-0412","description":"\u003ch3 data-start=\"0\" data-end=\"67\"\u003e📌 \u003cstrong data-start=\"7\" data-end=\"67\"\u003eFANUC A20B-2902-0412 — 4 MB FROM Module with 256 KB SRAM\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"69\" data-end=\"438\"\u003e\u003cstrong data-start=\"69\" data-end=\"85\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"85\" data-end=\"88\"\u003eThe \u003cstrong data-start=\"92\" data-end=\"116\"\u003eFANUC A20B-2902-0412\u003c\/strong\u003e is a \u003cstrong data-start=\"122\" data-end=\"148\"\u003ecombined memory module\u003c\/strong\u003e used in FANUC CNC control electronics. It contains both \u003cstrong data-start=\"205\" data-end=\"233\"\u003eFlash ROM (FROM) storage\u003c\/strong\u003e and \u003cstrong data-start=\"238\" data-end=\"259\"\u003estatic RAM (SRAM)\u003c\/strong\u003e, acting as a \u003cstrong data-start=\"273\" data-end=\"296\"\u003esystem memory board\u003c\/strong\u003e that holds the controller’s firmware, programs, parameters, and working data required during operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"440\" data-end=\"459\"\u003e\u003cstrong data-start=\"440\" data-end=\"457\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"460\" data-end=\"1379\"\u003e\n\u003cli data-start=\"460\" data-end=\"648\"\u003e\n\u003cp data-start=\"462\" data-end=\"648\"\u003e💾 \u003cstrong data-start=\"465\" data-end=\"479\"\u003eFlash ROM:\u003c\/strong\u003e Approximately \u003cstrong data-start=\"494\" data-end=\"525\"\u003e4 MB of non-volatile memory\u003c\/strong\u003e to store the CNC controller’s operating software\/firmware and related system code. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"649\" data-end=\"817\"\u003e\n\u003cp data-start=\"651\" data-end=\"817\"\u003e🧠 \u003cstrong data-start=\"654\" data-end=\"663\"\u003eSRAM:\u003c\/strong\u003e \u003cstrong data-start=\"664\" data-end=\"685\"\u003e256 KB static RAM\u003c\/strong\u003e used as \u003cstrong data-start=\"694\" data-end=\"712\"\u003eworking memory\u003c\/strong\u003e for runtime variables, buffer storage, and active data handling. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"818\" data-end=\"1073\"\u003e\n\u003cp data-start=\"820\" data-end=\"1073\"\u003e🛠️ \u003cstrong data-start=\"824\" data-end=\"840\"\u003ePart Family:\u003c\/strong\u003e Member of the \u003cstrong data-start=\"855\" data-end=\"875\"\u003eA20B-2902 series\u003c\/strong\u003e of control PCBs in FANUC CNC systems — typically in Series 16\/18\/21 controls and similar architectures where this combined memory configuration is specified. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1074\" data-end=\"1379\"\u003e\n\u003cp data-start=\"1076\" data-end=\"1379\"\u003e🧾 \u003cstrong data-start=\"1079\" data-end=\"1088\"\u003eNote:\u003c\/strong\u003e After replacing or installing this module in a CNC controller, \u003cstrong data-start=\"1152\" data-end=\"1213\"\u003eall programs, parameters, and FROM files must be reloaded\u003c\/strong\u003e from backup because SRAM contents are volatile and the Flash portion may not contain the specific data needed for that machine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":44703522586760,"sku":"A20B-2902-0412","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-2026-01-20T161610.418.jpg?v=1768905978","url":"https:\/\/jjautomation.in\/products\/fanuc-sram-from-for-0i-a-0i-mate-a-a20b-2902-0341-copy","provider":"JJAutomation","version":"1.0","type":"link"}