{"product_id":"fanuc-a20b-0008-0540","title":"Fanuc A20B-0008-0540 PCB","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69d5befb-d48c-8331-9f75-c30ecb5150ff-10\" data-testid=\"conversation-turn-115\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--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\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"d5d77232-c1c5-4edb-b99a-4ec923a113c6\" dir=\"auto\" data-message-model-slug=\"gpt-5-4-thinking\" 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-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ch3\u003e\n\u003cmeta charset=\"utf-8\"\u003eA20B-0008-0540 Fanuc I\/O Board\u003c\/h3\u003e\n\u003ctable data-start=\"317\" data-end=\"1076\" class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 100.087%; height: 441.062px;\"\u003e\n\u003ctbody data-start=\"333\" data-end=\"1076\"\u003e\n\u003ctr data-start=\"333\" data-end=\"354\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"333\" data-end=\"345\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"335\" data-end=\"344\"\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"345\" data-end=\"354\" style=\"width: 50.696%; height: 19.5938px;\"\u003eFanuc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"355\" data-end=\"383\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"355\" data-end=\"367\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"357\" data-end=\"366\"\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"367\" data-end=\"383\" style=\"width: 50.696%; height: 19.5938px;\"\u003eA20B00080540\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"384\" data-end=\"431\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"384\" data-end=\"404\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"386\" data-end=\"403\"\u003eHandling Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"404\" data-end=\"431\" style=\"width: 50.696%; height: 19.5938px;\"\u003ewithin 1-2 working days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"432\" data-end=\"475\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"432\" data-end=\"454\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"434\" data-end=\"453\"\u003eShipping Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"454\" data-end=\"475\" style=\"width: 50.696%; height: 19.5938px;\"\u003eDHL \/ UPS \/ FedEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"476\" data-end=\"717\" style=\"height: 117.562px;\"\u003e\n\u003ctd data-start=\"476\" data-end=\"516\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 117.562px;\"\u003e\u003cstrong data-start=\"478\" data-end=\"515\"\u003eEstimated Delivery Time (via DHL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"516\" data-end=\"717\" style=\"width: 50.696%; height: 117.562px;\"\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 data-start=\"718\" data-end=\"807\" style=\"height: 39.1875px;\"\u003e\n\u003ctd data-start=\"718\" data-end=\"733\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 39.1875px;\"\u003e\u003cstrong data-start=\"720\" data-end=\"732\"\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"733\" data-end=\"807\" style=\"width: 50.696%; height: 39.1875px;\"\u003eNEW \/ Refurbished: 1-Year warranty\u003cbr\u003eUsed (90% New): 3-Month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"808\" data-end=\"842\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"808\" data-end=\"823\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"810\" data-end=\"822\"\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"823\" data-end=\"842\" style=\"width: 50.696%; height: 19.5938px;\"\u003ePCB \/ I\/O Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"843\" data-end=\"992\" style=\"height: 137.156px;\"\u003e\n\u003ctd data-start=\"843\" data-end=\"871\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 137.156px;\"\u003e\u003cstrong data-start=\"845\" data-end=\"870\"\u003eParameter Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"871\" data-end=\"992\" style=\"width: 50.696%; height: 137.156px;\"\u003eA20B00080540\u003cbr\u003eDISCONTINUED BY MANUFACTURER\u003cbr\u003ePC BOARD\u003cbr\u003eI\/O BOARD\u003cbr\u003ePCB - DI\/DO F6\u003cbr\u003e6 CONTROL I\/O BOARD\u003cbr\u003eCNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"993\" data-end=\"1050\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"993\" data-end=\"1007\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"995\" data-end=\"1006\"\u003eService\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"1007\" data-end=\"1050\" style=\"width: 50.696%; height: 19.5938px;\"\u003eTest video will be sent before delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1051\" data-end=\"1076\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"1051\" data-end=\"1065\" data-col-size=\"sm\" style=\"width: 46.4444%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"1053\" data-end=\"1064\"\u003ePacking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"1065\" data-end=\"1076\" style=\"width: 50.696%; height: 19.5938px;\"\u003eCartons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1078\" data-end=\"1422\"\u003eThe \u003cstrong data-start=\"1082\" data-end=\"1100\"\u003eA20B-0008-0540\u003c\/strong\u003e is a Fanuc \u003cstrong data-start=\"1112\" data-end=\"1125\"\u003eI\/O board\u003c\/strong\u003e used in CNC systems where reliable signal input and output handling is essential for stable machine operation. Identified as \u003cstrong data-start=\"1251\" data-end=\"1269\"\u003ePCB - DI\/DO F6\u003c\/strong\u003e and also described as a \u003cstrong data-start=\"1294\" data-end=\"1317\"\u003e6 control I\/O board\u003c\/strong\u003e, this board supports the communication between the CNC control system and external machine-side signals.\u003c\/p\u003e\n\u003cp data-start=\"1424\" data-end=\"1875\"\u003eBecause this model has been \u003cstrong data-start=\"1452\" data-end=\"1488\"\u003ediscontinued by the manufacturer\u003c\/strong\u003e, it is most often requested by customers who are maintaining older Fanuc-controlled equipment, replacing faulty I\/O boards, or building spare stock for long-term maintenance support. In real service work, the \u003cstrong data-start=\"1698\" data-end=\"1716\"\u003eA20B 0008 0540\u003c\/strong\u003e remains an important board because the correct I\/O module helps preserve the original system structure and reduces unnecessary wiring or compatibility issues.\u003c\/p\u003e\n\u003cp data-start=\"1877\" data-end=\"2048\"\u003eAt \u003ca href=\"https:\/\/reacocnc.com\/\" target=\"_blank\" title=\"Reliable Buy \u0026amp; Repair industrial automation parts - REACO CNC\" rel=\"noopener\"\u003eREACO CNC\u003c\/a\u003e, we supply dependable \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-cnc-robot-parts\" target=\"_blank\" title=\"Shop for Fanuc CNC \u0026amp; Robot Parts\" rel=\"noopener\"\u003e\u003cstrong data-start=\"1912\" data-end=\"1927\"\u003eFanuc parts\u003c\/strong\u003e\u003c\/a\u003e for customers who need replacement I\/O boards, maintenance stock, or \u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" target=\"_blank\" title=\"Reliable Repair for FANUC, Mitsubishi, and All CNC Parts - REACO CNC\" rel=\"noopener\"\u003e\u003cstrong data-start=\"1997\" data-end=\"2013\"\u003eFanuc repair\u003c\/strong\u003e\u003c\/a\u003e support for installed CNC systems.\u003c\/p\u003e\n\u003cp data-start=\"2050\" data-end=\"2481\"\u003eThe \u003cstrong data-start=\"2054\" data-end=\"2090\"\u003eA20B-0008-0540 \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-pcbs\" target=\"_blank\" title=\"Buy \u0026amp; Repair Fanuc PCBs for Reliable Industrial Automation\" rel=\"noopener\"\u003eFanuc control PCB\u003c\/a\u003e\u003c\/strong\u003e is designed for applications where dependable digital input and output handling is required inside the control system. Boards in this category are closely tied to how the machine exchanges status and control signals with connected components. If an I\/O board becomes unstable, the machine may show abnormal responses, signal loss, or irregular operating behavior that interrupts production.\u003c\/p\u003e\n\u003cp data-start=\"2483\" data-end=\"2700\"\u003eFor many maintenance teams, replacing the correct \u003cstrong data-start=\"2533\" data-end=\"2551\"\u003eA20B-0008-0540\u003c\/strong\u003e is often the fastest and most practical way to restore normal signal communication without making unnecessary changes to the original machine setup.\u003c\/p\u003e\n\u003cp data-start=\"2702\" data-end=\"2741\"\u003eThis board is commonly associated with:\u003c\/p\u003e\n\u003cul data-start=\"2743\" data-end=\"2958\"\u003e\n\u003cli data-section-id=\"wvnex4\" data-start=\"2743\" data-end=\"2770\"\u003eFanuc CNC control systems\u003c\/li\u003e\n\u003cli data-section-id=\"5bdc6x\" data-start=\"2771\" data-end=\"2807\"\u003eDI\/DO signal handling applications\u003c\/li\u003e\n\u003cli data-section-id=\"15r9uup\" data-start=\"2808\" data-end=\"2855\"\u003eMachine-side control input and output support\u003c\/li\u003e\n\u003cli data-section-id=\"mo1uih\" data-start=\"2856\" data-end=\"2890\"\u003eMaintenance and rebuild projects\u003c\/li\u003e\n\u003cli data-section-id=\"1so7syc\" data-start=\"2891\" data-end=\"2958\"\u003eService work requiring original-compatible \u003cstrong data-start=\"2936\" data-end=\"2958\"\u003eFanuc control PCBs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2960\" data-end=\"3169\"\u003eIt may also be sourced together with related \u003cstrong data-start=\"3005\" data-end=\"3025\"\u003eFanuc controller\u003c\/strong\u003e boards, interface PCBs, display boards, \u003cstrong data-start=\"3066\" data-end=\"3085\"\u003eservo amplifier\u003c\/strong\u003e modules, \u003cstrong data-start=\"3095\" data-end=\"3112\"\u003espindle drive\u003c\/strong\u003e units, and power supply units during larger repair jobs.\u003c\/p\u003e\n\u003cp data-start=\"3171\" data-end=\"3234\"\u003eDepending on stock availability, this board may be supplied in:\u003c\/p\u003e\n\u003cul data-start=\"3236\" data-end=\"3292\"\u003e\n\u003cli data-section-id=\"1phs39j\" data-start=\"3236\" data-end=\"3251\"\u003eNew condition\u003c\/li\u003e\n\u003cli data-section-id=\"18cdwho\" data-start=\"3252\" data-end=\"3275\"\u003eRefurbished condition\u003c\/li\u003e\n\u003cli data-section-id=\"19bsaho\" data-start=\"3276\" data-end=\"3292\"\u003eUsed condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3294\" data-end=\"3508\"\u003eFor many customers supporting discontinued control hardware, refurbished stock is often the most practical choice. It helps preserve the original system layout while keeping cost and lead time under better control.\u003c\/p\u003e\n\u003cp data-start=\"3510\" data-end=\"3575\"\u003eCustomers usually look for the \u003cstrong data-start=\"3541\" data-end=\"3559\"\u003eA20B-0008-0540\u003c\/strong\u003e when they need:\u003c\/p\u003e\n\u003cul data-start=\"3577\" data-end=\"3829\"\u003e\n\u003cli data-section-id=\"2chrk0\" data-start=\"3577\" data-end=\"3622\"\u003eA direct replacement for a faulty I\/O board\u003c\/li\u003e\n\u003cli data-section-id=\"s50g0f\" data-start=\"3623\" data-end=\"3670\"\u003eSupport for discontinued Fanuc DI\/DO hardware\u003c\/li\u003e\n\u003cli data-section-id=\"3e0ljm\" data-start=\"3671\" data-end=\"3718\"\u003eBackup \u003cstrong data-start=\"3680\" data-end=\"3695\"\u003eFanuc stock\u003c\/strong\u003e for important machines\u003c\/li\u003e\n\u003cli data-section-id=\"18whzkr\" data-start=\"3719\" data-end=\"3772\"\u003eReliable \u003cstrong data-start=\"3730\" data-end=\"3745\"\u003eFanuc parts\u003c\/strong\u003e for maintenance and repair\u003c\/li\u003e\n\u003cli data-section-id=\"yq2gaz\" data-start=\"3773\" data-end=\"3829\"\u003eHelp deciding between replacement and \u003cstrong data-start=\"3813\" data-end=\"3829\"\u003eFanuc repair\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3831\" data-end=\"3976\"\u003eIn real production environments, having the correct I\/O board available can save valuable time and make fault recovery much more straightforward.\u003c\/p\u003e\n\u003cp data-start=\"3978\" data-end=\"4245\"\u003eREACO CNC supports both direct replacement supply and \u003cstrong data-start=\"4032\" data-end=\"4048\"\u003eFanuc repair\u003c\/strong\u003e inquiries. If your original \u003cstrong data-start=\"4077\" data-end=\"4095\"\u003eA20B-0008-0540\u003c\/strong\u003e is damaged, we can help review whether repair is practical or whether replacement is the more efficient route based on stock, condition, and urgency.\u003c\/p\u003e\n\u003cp data-start=\"4247\" data-end=\"4491\"\u003eWe also support sourcing for related \u003cstrong data-start=\"4284\" data-end=\"4299\"\u003eFanuc parts\u003c\/strong\u003e, including I\/O boards, main boards, interface modules, display boards, \u003cstrong data-start=\"4371\" data-end=\"4390\"\u003eservo amplifier\u003c\/strong\u003e units, \u003cstrong data-start=\"4398\" data-end=\"4415\"\u003espindle drive\u003c\/strong\u003e units, and other CNC electronic assemblies used in installed Fanuc systems.\u003c\/p\u003e\n\u003cp data-start=\"4493\" data-end=\"4870\"\u003eFor many factories, older CNC systems are still doing reliable work every day. In that type of environment, keeping the original control structure stable is often more practical than changing to a different solution. A correct \u003cstrong data-start=\"4720\" data-end=\"4738\"\u003eA20B 0008 0540\u003c\/strong\u003e replacement can help restore signal stability, reduce troubleshooting time, and support continued operation of installed equipment.\u003c\/p\u003e\n\u003ch4 data-start=\"4872\" data-end=\"4880\"\u003eFAQ\u003c\/h4\u003e\n\u003cp data-start=\"4882\" data-end=\"4956\"\u003e\u003cstrong data-start=\"4882\" data-end=\"4909\"\u003eWhat is A20B-0008-0540?\u003c\/strong\u003e\u003cbr data-start=\"4909\" data-end=\"4912\"\u003eIt is a Fanuc I\/O board used in CNC systems.\u003c\/p\u003e\n\u003cp data-start=\"4958\" data-end=\"5080\"\u003e\u003cstrong data-start=\"4958\" data-end=\"4995\"\u003eWhat is this board identified as?\u003c\/strong\u003e\u003cbr data-start=\"4995\" data-end=\"4998\"\u003eIt is identified as \u003cstrong data-start=\"5018\" data-end=\"5036\"\u003ePCB - DI\/DO F6\u003c\/strong\u003e and described as a \u003cstrong data-start=\"5056\" data-end=\"5079\"\u003e6 control I\/O board\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"5082\" data-end=\"5178\"\u003e\u003cstrong data-start=\"5082\" data-end=\"5117\"\u003eIs A20B-0008-0540 discontinued?\u003c\/strong\u003e\u003cbr data-start=\"5117\" data-end=\"5120\"\u003eYes. This model has been discontinued by the manufacturer.\u003c\/p\u003e\n\u003cp data-start=\"5180\" data-end=\"5298\"\u003e\u003cstrong data-start=\"5180\" data-end=\"5212\"\u003eWhat is this board used for?\u003c\/strong\u003e\u003cbr data-start=\"5212\" data-end=\"5215\"\u003eIt supports digital input and output signal handling inside the CNC control system.\u003c\/p\u003e\n\u003cp data-start=\"5300\" data-end=\"5414\"\u003e\u003cstrong data-start=\"5300\" data-end=\"5335\"\u003eCan A20B-0008-0540 be repaired?\u003c\/strong\u003e\u003cbr data-start=\"5335\" data-end=\"5338\"\u003eYes. Repair may be possible depending on the board condition and fault type.\u003c\/p\u003e\n\u003cp data-start=\"5416\" data-end=\"5514\"\u003e\u003cstrong data-start=\"5416\" data-end=\"5454\"\u003eDo you provide worldwide shipping?\u003c\/strong\u003e\u003cbr data-start=\"5454\" data-end=\"5457\"\u003eYes. We supply Fanuc parts to customers around the world.\u003c\/p\u003e\n\u003chr data-start=\"5516\" data-end=\"5519\"\u003e\n\u003cp data-start=\"5521\" data-end=\"5659\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"5521\" data-end=\"5573\"\u003eNeed pricing or availability for A20B-0008-0540?\u003c\/strong\u003e\u003cbr data-start=\"5573\" data-end=\"5576\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" target=\"_blank\" title=\"Reliable Repair for FANUC, Mitsubishi, and All CNC Parts - REACO CNC\" rel=\"noopener\"\u003eContact REACO CNC\u003c\/a\u003e for stock status, repair support, and worldwide shipping options.\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","brand":"REACO CNC","offers":[{"title":"Used (90% New)","offer_id":48515180527831,"sku":"A20B-0008-0540-used","price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/Buy_A20B-0008-0540_Fanuc_I_O_board.jpg?v=1776393819","url":"https:\/\/reacocnc.com\/products\/fanuc-a20b-0008-0540","provider":"REACO CNC","version":"1.0","type":"link"}