{"product_id":"fanuc-a20b-3900-0302-from-sram-memory-module","title":"FANUC A20B-3900-0302 FROM\/SRAM CNC Memory Module","description":"\u003cp style=\"margin: 0 0 14px;\"\u003eThe \u003cstrong\u003eFANUC A20B-3900-0302\u003c\/strong\u003e is a plug-in \u003cstrong\u003eFROM\/SRAM system memory module\u003c\/strong\u003e for compatible FANUC CNC control units. FROM stores control and user software, while SRAM provides battery-backed storage for CNC data.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eThis is a system-specific module, not a general-purpose RAM card. Replacement requires matching the part number, revision, host main board, software and machine options. Common boards are marked \u003cstrong\u003eA20B-3900-0302\/01A\u003c\/strong\u003e; order by the complete number on the actual module.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eA20B-3900-0302 Product Information\u003c\/h4\u003e\n\u003ctable cellpadding=\"10\" style=\"width: 100%; border-collapse: collapse; margin: 0 0 18px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f7f8fa;\"\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-3900-0302\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f8fa;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Revision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-3900-0302\/01A; verify the label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug-in FROM\/SRAM system memory module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f8fa;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFROM Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompatible CNC system and user software storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSRAM Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBattery-backed CNC data storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f8fa;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Context\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelected FANUC i-Series CNC control units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConfirm from the module and FANUC system specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f8fa;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Scope\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModule only; software and data are not included unless stated\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: #f7f8fa;\"\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 1–3 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f8fa;\"\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: #f7f8fa;\"\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;\"\u003eFROM retains CNC control and user software without normal operating power. SRAM depends on battery backup and holds data required by the configured CNC. A damaged module, failed backup circuit or corrupted data may cause startup, SRAM or software alarms; diagnosis should also cover the battery, main board and power supply.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eCompatibility and Capacity Verification\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eA20B-3900-0302 is documented as a FROM\/SRAM module for newer FANUC i-Series control hardware. Public listings disagree about its capacity, so no unverified value is stated. Confirm \u003cstrong\u003eA20B-3900-0302\u003c\/strong\u003e, revision \u003cstrong\u003e\/01A\u003c\/strong\u003e when present, control series, CPU\/main-board number, software edition and options. A20B-3900-0300, -0301 and -0303 are not automatic substitutes.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eBackup, Testing and Installation\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eREACO CNC checks the label, connector, components, physical condition and applicable memory recognition before shipment. Back up parameters, programs, offsets, PMC data and other machine information before removal. FANUC documentation states that system software must be installed when a FROM\/SRAM module is replaced, so qualified CNC personnel should handle replacement and restoration.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eRelated resources: \u003ca href=\"\/it\/collections\/fanuc-pcbs\"\u003eFANUC CNC circuit boards\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 repair services\u003c\/a\u003e.\u003c\/p\u003e","brand":"FANUC","offers":[{"title":"Brand New","offer_id":67892681081047,"sku":"A20B-3900-0302-new","price":297.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/fanuc-a20b-3900-0302-memory-module-main.webp?v=1792999094","url":"https:\/\/reacocnc.com\/it\/products\/fanuc-a20b-3900-0302-from-sram-memory-module","provider":"REACO CNC","version":"1.0","type":"link"}