{"product_id":"fanuc-a20b-2101-0355-pcb","title":"FANUC A20B-2101-0355 PCB","description":"\u003ch3\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eFANUC A20B-2101-0355 αi Spindle Amplifier Control PCB\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"width: 101.301%; height: 518.586px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 25px; text-align: left;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 25px; text-align: left;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 25px; text-align: left;\"\u003eFANUC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 41.5225%; text-align: left; height: 19.5938px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; text-align: left; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eA20B-2101-0355\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23px; text-align: left;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 23px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eHanding time\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 23px;\"\u003ewithin 1-2 working days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.75px; text-align: left;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 26.75px;\"\u003e\u003cstrong\u003eShipping Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 26.75px;\"\u003eDHL\/UPS\/FedEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 213.562px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 213.562px;\"\u003e\u003cstrong\u003eEstimated Delivery Time (via DHL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 213.562px;\"\u003e\n\u003cp\u003eAsia: 1-3 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eEurope: 2-4 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eNorth America: 2-4 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSouth America:  3-6 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMiddle East \u0026amp; Africa: 3-6 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOceania: \u003cmeta charset=\"utf-8\"\u003e2-5 business days\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 71.1875px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 71.1875px;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 71.1875px;\"\u003eNEW\/Refurbished: 1-Year warranty\u003cbr\u003eUsed(90% New): 3-Month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003ePCBs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 73.555px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 73.555px;\"\u003e\u003cstrong\u003eParameter Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 73.555px;\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eA20B21010355\u003cbr\u003ePC Board\u003cbr\u003eCNC\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.75px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 26.75px; text-align: left;\"\u003e\u003cstrong\u003eService\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 26.75px; text-align: left;\"\u003eTest video will be sent before delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 41.5225%; text-align: left; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003ePacking\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; text-align: left; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eCartons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-695e672e-c9e8-832a-95b3-03e8494aa081-0\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-742\" data-turn-id-container=\"request-695e672e-c9e8-832a-95b3-03e8494aa081-0\" data-turn-id=\"request-695e672e-c9e8-832a-95b3-03e8494aa081-0\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-6-thinking\" dir=\"auto\" data-turn-start-message=\"true\" data-message-id=\"d19e99cc-fbe8-4cb6-a56a-e860dcd9417b\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"715\" data-end=\"981\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"719\" data-end=\"743\"\u003eFANUC A20B-2101-0355\u003c\/strong\u003e is an \u003cstrong data-start=\"750\" data-end=\"833\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-pcbs\" target=\"_blank\" title=\"Buy \u0026amp; Repair Fanuc PCBs for Reliable Industrial Automation\" rel=\"noopener\"\u003eαiSP command board\u003c\/a\u003e used in compatible FANUC αi Series spindle amplifier systems\u003c\/strong\u003e. It is also commonly described as a \u003cstrong data-start=\"870\" data-end=\"942\"\u003espindle control board, spindle amplifier control PCB, or command PCB\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"983\" data-end=\"1197\"\u003eInstalled within the spindle amplifier, this board supports control-command processing, spindle operating coordination, internal signal communication, and interaction with the associated power and driver circuitry.\u003c\/p\u003e\n\u003cp data-start=\"1199\" data-end=\"1617\"\u003eFANUC maintenance documentation lists the A20B-2101-0355 as the printed circuit board used across several \u003cstrong data-start=\"1305\" data-end=\"1354\"\u003eαi SP Type B spindle amplifier configurations\u003c\/strong\u003e. Referenced models include αi SP 2.2 through αi SP 55 in applicable configurations, as well as selected high-voltage Type B units. Exact compatibility still depends on the complete amplifier model and hardware configuration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1619\" data-end=\"1841\"\u003eThe board is suitable for replacement when a confirmed PCB fault causes spindle amplifier startup problems, unstable spindle operation, command errors, communication faults, or failure of the amplifier to operate normally.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1843\" data-end=\"1989\"\u003e\n\u003cstrong data-start=\"1845\" data-end=\"1897\"\u003eSpindle control functions tested before shipment\u003c\/strong\u003e\u003cbr data-start=\"1897\" data-end=\"1900\"\u003e\u003cstrong data-start=\"1902\" data-end=\"1941\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1843\" data-end=\"1989\"\u003e\n\u003cstrong data-start=\"1902\" data-end=\"1941\"\u003eStock available for prompt dispatch\u003c\/strong\u003e\u003cbr data-start=\"1941\" data-end=\"1944\"\u003e\u003cstrong data-start=\"1947\" data-end=\"1989\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1843\" data-end=\"1989\"\u003e\u003cstrong data-start=\"1947\" data-end=\"1989\"\u003eWorldwide DHL, UPS, and FedEx shipping\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1991\" data-end=\"1994\"\u003e\n\u003ch4 data-start=\"1996\" data-end=\"2016\"\u003eProduct Details\u003c\/h4\u003e\n\u003cul data-start=\"2018\" data-end=\"2474\"\u003e\n\u003cli data-section-id=\"1c1nf4m\" data-start=\"2018\" data-end=\"2032\"\u003eBrand: FANUC\u003c\/li\u003e\n\u003cli data-section-id=\"1b3cfwm\" data-start=\"2033\" data-end=\"2062\"\u003ePart Number: A20B-2101-0355\u003c\/li\u003e\n\u003cli data-section-id=\"daoy5a\" data-start=\"2063\" data-end=\"2097\"\u003eAlternative Format: A20B21010355\u003c\/li\u003e\n\u003cli data-section-id=\"1873870\" data-start=\"2098\" data-end=\"2146\"\u003eType: αiSP Command Board \/ Spindle Control PCB\u003c\/li\u003e\n\u003cli data-section-id=\"xw3vpo\" data-start=\"2147\" data-end=\"2174\"\u003eProduct Series: A20B-2101\u003c\/li\u003e\n\u003cli data-section-id=\"14lsci9\" data-start=\"2175\" data-end=\"2228\"\u003eAmplifier Family: FANUC αi Series Spindle Amplifier\u003c\/li\u003e\n\u003cli data-section-id=\"1s64fkc\" data-start=\"2229\" data-end=\"2269\"\u003eReferenced Configuration: αi SP Type B\u003c\/li\u003e\n\u003cli data-section-id=\"lncip6\" data-start=\"2270\" data-end=\"2316\"\u003eApplication: FANUC CNC Spindle Drive Systems\u003c\/li\u003e\n\u003cli data-section-id=\"152la3z\" data-start=\"2317\" data-end=\"2412\"\u003eFunction: Spindle command processing, control coordination, and internal signal communication\u003c\/li\u003e\n\u003cli data-section-id=\"vovlui\" data-start=\"2413\" data-end=\"2474\"\u003eCategory: FANUC Spindle Amplifier PCB \/ Drive Control Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2476\" data-end=\"2479\"\u003e\n\u003ch4 data-start=\"2481\" data-end=\"2504\"\u003eCompatibility Note\u003c\/h4\u003e\n\u003cp data-start=\"2506\" data-end=\"2728\"\u003eFANUC documentation associates the A20B-2101-0355 with multiple αi SP Type B amplifier models, but this does not mean it can be installed interchangeably in every αi spindle amplifier. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2730\" data-end=\"2761\"\u003eBefore ordering, please verify:\u003c\/p\u003e\n\u003cul data-start=\"2763\" data-end=\"3003\"\u003e\n\u003cli data-section-id=\"pk8dk5\" data-start=\"2763\" data-end=\"2804\"\u003eComplete spindle amplifier model number\u003c\/li\u003e\n\u003cli data-section-id=\"1pu0w12\" data-start=\"2805\" data-end=\"2840\"\u003eFull PCB part number and revision\u003c\/li\u003e\n\u003cli data-section-id=\"1506bnr\" data-start=\"2841\" data-end=\"2883\"\u003eType A or Type B amplifier configuration\u003c\/li\u003e\n\u003cli data-section-id=\"lvy7up\" data-start=\"2884\" data-end=\"2913\"\u003eInput-voltage configuration\u003c\/li\u003e\n\u003cli data-section-id=\"rkglrm\" data-start=\"2914\" data-end=\"2959\"\u003eOriginal wiring board and power PCB numbers\u003c\/li\u003e\n\u003cli data-section-id=\"1dz4a2u\" data-start=\"2960\" data-end=\"3003\"\u003eConnector layout and installed components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3005\" data-end=\"3219\"\u003eFor higher-output amplifier units, the A20B-2101-0355 may operate together with a separate driver PCB, so the complete board configuration should be checked before replacement. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3221\" data-end=\"3224\"\u003e\n\u003ch4 data-start=\"3226\" data-end=\"3247\"\u003eCommon Use Cases\u003c\/h4\u003e\n\u003cul data-start=\"3249\" data-end=\"3579\"\u003e\n\u003cli data-section-id=\"163mhrd\" data-start=\"3249\" data-end=\"3303\"\u003eFANUC αi spindle amplifier command-board replacement\u003c\/li\u003e\n\u003cli data-section-id=\"1yc6pt8\" data-start=\"3304\" data-end=\"3347\"\u003eSpindle amplifier startup fault diagnosis\u003c\/li\u003e\n\u003cli data-section-id=\"159bgm8\" data-start=\"3348\" data-end=\"3404\"\u003eRepair of unstable spindle commands or control signals\u003c\/li\u003e\n\u003cli data-section-id=\"n4s10m\" data-start=\"3405\" data-end=\"3466\"\u003eTroubleshooting internal spindle-drive communication faults\u003c\/li\u003e\n\u003cli data-section-id=\"ee2fcy\" data-start=\"3467\" data-end=\"3523\"\u003eRestoration of compatible αi SP Type B amplifier units\u003c\/li\u003e\n\u003cli data-section-id=\"coec2q\" data-start=\"3524\" data-end=\"3579\"\u003ePreparation of a tested spare PCB for CNC maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3581\" data-end=\"3584\"\u003e\n\u003ch4 data-start=\"3586\" data-end=\"3606\"\u003eSales \u0026amp; Support\u003c\/h4\u003e\n\u003cp data-start=\"3608\" data-end=\"3710\"\u003eEach A20B-2101-0355 command board is inspected and tested under applicable conditions before delivery.\u003c\/p\u003e\n\u003cp data-start=\"3712\" data-end=\"3940\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eWorldwide delivery is available through DHL, UPS, FedEx, and other express carriers. \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" title=\"Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003eREACO CNC\u003c\/a\u003e provides PCB \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" title=\"Reliable Repair for FANUC A20B-2101-0355 PCB - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003erepair service\u003c\/a\u003e, warranty coverage, and \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/pages\/contact-us\" title=\"Contact Us for Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003etechnical assistance\u003c\/a\u003e for FANUC spindle amplifier boards and CNC drive components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"FANUC","offers":[{"title":"Used (90% New)","offer_id":49435586199767,"sku":"A20B-2101-0355-used","price":744.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/Buy_A20B-2101-0355_Fanuc_PC_board.webp?v=1783935819","url":"https:\/\/reacocnc.com\/products\/fanuc-a20b-2101-0355-pcb","provider":"REACO CNC","version":"1.0","type":"link"}