{"product_id":"fanuc-a20b-3900-0223-from-sram-memory-module","title":"FANUC A20B-3900-0223 32MB FROM 1MB SRAM Memory Module","description":"\u003cp style=\"margin: 0 0 14px;\"\u003eThe \u003cstrong\u003eFANUC A20B-3900-0223\u003c\/strong\u003e is a combined \u003cstrong\u003e32MB FROM and 1MB battery-backed SRAM memory module\u003c\/strong\u003e for selected FANUC CNC and robot controllers. It plugs into a compatible main board and provides system-software storage together with retained machine data.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eThe FROM section stores FANUC control software and related system files. The SRAM section is maintained by the controller battery and can contain parameters, programs, offsets and PMC information. Correct software and data restoration are essential when replacing the module.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eA20B-3900-0223 Product Information\u003c\/h4\u003e\n\u003ctable cellpadding=\"10\" style=\"width: 100%; border-collapse: collapse; margin: 0 0 18px;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 34%;\"\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ MPN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-3900-0223\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFROM\/SRAM plug-in memory module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFROM Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSRAM Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1MB, battery-backed by the host controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDocumented IDs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFROM: C2 \/ SRAM: 03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eDocumented Systems\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelected 0i-C, 16i\/18i\/21i, 30i\/31i\/32i-A and R-30iA configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOld-Spec Counterpart\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-3900-0163; verify controller and software requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eRelated Modules\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-3900-0224: 32MB\/2MB; A20B-3900-0225: 32MB\/3MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew, refurbished, or used 90% new; subject to stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTesting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% tested before shipping; test video available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNormally 1–2 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping \/ ETA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDHL, UPS, or FedEx worldwide; typically 3–7 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 year for new\/refurbished; 3 months for used 90% new\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eService \/ Packing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFree technical support; anti-static reinforced packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eFROM and Battery-Backed SRAM Functions\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eA20B-3900-0223 combines two memory functions. FROM retains controller software without operating power, while SRAM provides writable storage retained by the controller battery. A low or disconnected battery can cause loss of SRAM contents even when the module is functional.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eCompatibility and Data Requirements\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eConfirm the full \u003cstrong\u003eA20B-3900-0223\u003c\/strong\u003e label, host main-board number, controller series, software edition and memory capacity. Do not substitute A20B-3900-0224 or -0225 because they have different SRAM capacities. Although A20B-3900-0163 is the documented older 32MB\/1MB specification, software and machine data must still match.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eTesting and Replacement Notes\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eREACO CNC checks the label, contacts, physical condition, memory recognition, boot operation and SRAM integrity under an applicable test setup. Back up all controller data before removal. Replacement may require loading FANUC software and restoring parameters, programs, PMC data and machine-builder files. Qualified personnel should perform the work with power isolated and ESD protection.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eRelated resources: \u003ca href=\"\/it\/collections\/fanuc-pcbs\"\u003eFANUC PCB and memory modules\u003c\/a\u003e, \u003ca href=\"\/it\/collections\/fanuc-controls\"\u003eFANUC CNC controls\u003c\/a\u003e and \u003ca href=\"\/it\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\"\u003eFANUC CNC and robot repair services\u003c\/a\u003e.\u003c\/p\u003e","brand":"FANUC","offers":[{"title":"New","offer_id":67919276310743,"sku":"A20B-3900-0223-new","price":248.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/fanuc-a20b-3900-0223-memory-module-main.webp?v=1793265660","url":"https:\/\/reacocnc.com\/it\/products\/fanuc-a20b-3900-0223-from-sram-memory-module","provider":"REACO CNC","version":"1.0","type":"link"}