{"product_id":"fanuc-a20b-2902-0351-memory-pcb","title":"FANUC A20B-2902-0351 Memory PCB","description":"\u003ch4 style=\"margin: 0 0 16px;\"\u003eFANUC A20B-2902-0351 768KB Additional SRAM Memory Module\u003c\/h4\u003e\n\n\u003ctable width=\"100%\" cellpadding=\"10\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; margin: 0 0 28px; line-height: 1.55;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd width=\"36%\" style=\"vertical-align: top;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-2902-0351\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cstrong\u003eHandling Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin 1–2 working days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cstrong\u003eShipping Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDHL \/ UPS \/ FedEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cstrong\u003eEstimated Delivery Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsia: 1–3 business days\u003cbr\u003eEurope: 2–4 business days\u003cbr\u003eNorth America: 2–4 business days\u003cbr\u003eSouth America: 3–6 business days\u003cbr\u003eMiddle East \u0026amp; Africa: 3–6 business days\u003cbr\u003eOceania: 2–5 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew \/ Refurbished: 1-year warranty\u003cbr\u003eUsed (90% new): 3-month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC CNC SRAM Memory Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cstrong\u003eParameter Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e768KB additional SRAM\u003cbr\u003e256KB + 512KB memory configuration\u003cbr\u003eExpanded CNC system memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cstrong\u003eService\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction test video available before delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cstrong\u003ePacking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProtective carton packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4 style=\"margin: 0 0 14px;\"\u003eFANUC A20B-2902-0351 Product Overview\u003c\/h4\u003e\n\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eThe \u003cstrong\u003eFANUC A20B-2902-0351\u003c\/strong\u003e is a \u003cstrong\u003e768KB additional SRAM module\u003c\/strong\u003e used to expand CNC system memory in compatible legacy FANUC control configurations. It is also described in parts listings as an F16B SRAM module.\u003c\/p\u003e\n\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eFANUC hardware documentation specifies the -0351 as a 768KB SRAM configuration, formed by a 256KB plus 512KB memory arrangement. It is part of the same expanded-SRAM family as the A20B-2902-0350 and A20B-2902-0352.\u003c\/p\u003e\n\n\u003ch4 style=\"margin: 24px 0 14px;\"\u003eVerified 768KB SRAM Configuration\u003c\/h4\u003e\n\n\u003cul style=\"margin: 0 0 18px; padding-left: 24px; line-height: 1.75;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e Additional SRAM memory module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal SRAM Capacity:\u003c\/strong\u003e 768KB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory Arrangement:\u003c\/strong\u003e 256KB + 512KB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Function:\u003c\/strong\u003e Expanded CNC system SRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Family:\u003c\/strong\u003e Compatible Series 16\/18-family hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eThis is an SRAM expansion module, not a DRAM working-memory module, FROM software module or servo-control PCB. The memory type and complete part-number suffix must match the original CNC hardware configuration.\u003c\/p\u003e\n\n\u003ch4 style=\"margin: 24px 0 14px;\"\u003eParameter and Program Restoration\u003c\/h4\u003e\n\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003e\u003cstrong\u003eA replacement SRAM module does not contain the original machine’s parameters, programs or builder-specific data.\u003c\/strong\u003e Back up all accessible CNC parameters, programs, offsets, diagnostics, option information, pitch-error compensation data and PMC-related data before removing the original module.\u003c\/p\u003e\n\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eAfter installation, the required data must be restored using the procedure specified for the CNC and machine tool. If a verified backup is unavailable, consult the machine-tool builder or a qualified FANUC service technician before replacement.\u003c\/p\u003e\n\n\u003ch4 style=\"margin: 24px 0 14px;\"\u003e0350, 0351 and 0352 Differences\u003c\/h4\u003e\n\n\u003cul style=\"margin: 0 0 18px; padding-left: 24px; line-height: 1.75;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eA20B-2902-0350:\u003c\/strong\u003e 256KB additional SRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA20B-2902-0351:\u003c\/strong\u003e 768KB additional SRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA20B-2902-0352:\u003c\/strong\u003e 2.25MB additional SRAM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eThese modules may share a similar physical format but provide different capacities. They should not be interchanged solely as a memory upgrade without confirming the supported CNC software, host board and original system specification.\u003c\/p\u003e\n\n\u003ch4 style=\"margin: 24px 0 14px;\"\u003eCompatibility and Revision Check\u003c\/h4\u003e\n\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eBefore ordering, verify the complete \u003cstrong\u003eA20B-2902-0351\u003c\/strong\u003e number, printed revision, CNC series, main-board number and original module position. Compare the component layout and connector contacts with the installed module.\u003c\/p\u003e\n\n\u003ch4 style=\"margin: 24px 0 14px;\"\u003eTested Supply from REACO CNC\u003c\/h4\u003e\n\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eREACO CNC can supply the FANUC A20B-2902-0351 subject to current availability. The module number, revision and condition will be confirmed before shipment. Browse our \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-pcbs\"\u003eFANUC CNC circuit boards\u003c\/a\u003e and \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-cnc-robot-parts\"\u003eFANUC CNC and robot parts\u003c\/a\u003e for related components.\u003c\/p\u003e\n\n\u003cul style=\"margin: 0 0 18px; padding-left: 24px; line-height: 1.75;\"\u003e\n\u003cli\u003e\u003cstrong\u003e100% Function Tested Before Shipment\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWorldwide DHL \/ UPS \/ FedEx Shipping\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eContact REACO CNC for Current Stock, Price and Lead Time\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FANUC","offers":[{"title":"Used (90% New)","offer_id":49541493096663,"sku":"A20B-2902-0351-used","price":248.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/Buy_A20B-2902-0351_Fanuc_replacement_module.webp?v=1785916225","url":"https:\/\/reacocnc.com\/it\/products\/fanuc-a20b-2902-0351-memory-pcb","provider":"REACO CNC","version":"1.0","type":"link"}