{"product_id":"fanuc-motherboard-for-21i-a20b-8100-0664","title":"Fanuc Motherboard for 21i A20B-8100-0664","description":"\u003cp data-start=\"0\" data-end=\"138\"\u003e\u003cstrong data-start=\"0\" data-end=\"18\"\u003eA20B-8100-0664\u003c\/strong\u003e is a \u003cstrong data-start=\"24\" data-end=\"55\"\u003eprinted circuit board (PCB)\u003c\/strong\u003e used inside CNC control systems produced by \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eFANUC\u003c\/span\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003chr data-start=\"140\" data-end=\"143\"\u003e\n\u003ch3 data-start=\"145\" data-end=\"169\"\u003e📌 Basic Information\u003c\/h3\u003e\n\u003cul data-start=\"170\" data-end=\"430\"\u003e\n\u003cli data-start=\"170\" data-end=\"209\"\u003e\n\u003cp data-start=\"172\" data-end=\"209\"\u003e\u003cstrong data-start=\"172\" data-end=\"188\"\u003ePart Number:\u003c\/strong\u003e \u003cstrong data-start=\"189\" data-end=\"207\"\u003eA20B-8100-0664\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"210\" data-end=\"255\"\u003e\n\u003cp data-start=\"212\" data-end=\"255\"\u003e\u003cstrong data-start=\"212\" data-end=\"221\"\u003eType:\u003c\/strong\u003e \u003cstrong data-start=\"222\" data-end=\"253\"\u003ePrinted Circuit Board (PCB)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"256\" data-end=\"312\"\u003e\n\u003cp data-start=\"258\" data-end=\"312\"\u003e\u003cstrong data-start=\"258\" data-end=\"271\"\u003eCategory:\u003c\/strong\u003e \u003cstrong data-start=\"272\" data-end=\"310\"\u003eInternal Control \/ Interface Board\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"313\" data-end=\"430\"\u003e\n\u003cp data-start=\"315\" data-end=\"430\"\u003e\u003cstrong data-start=\"315\" data-end=\"327\"\u003eUsed In:\u003c\/strong\u003e FANUC CNC control units (commonly \u003cstrong data-start=\"362\" data-end=\"393\"\u003eSeries 0i \/ 16i \/ 18i \/ 21i\u003c\/strong\u003e, depending on machine configuration)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"432\" data-end=\"435\"\u003e\n\u003ch3 data-start=\"437\" data-end=\"458\"\u003e⚙️ Main Functions\u003c\/h3\u003e\n\u003cp data-start=\"459\" data-end=\"574\"\u003eThe \u003cstrong data-start=\"463\" data-end=\"481\"\u003eA20B-8100-0664\u003c\/strong\u003e board is used for \u003cstrong data-start=\"500\" data-end=\"573\"\u003esignal processing and communication between modules in the CNC system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"576\" data-end=\"602\"\u003eTypical functions include:\u003c\/p\u003e\n\u003cul data-start=\"604\" data-end=\"814\"\u003e\n\u003cli data-start=\"604\" data-end=\"649\"\u003e\n\u003cp data-start=\"606\" data-end=\"649\"\u003e\u003cstrong data-start=\"606\" data-end=\"628\"\u003eData communication\u003c\/strong\u003e between CNC boards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"650\" data-end=\"695\"\u003e\n\u003cp data-start=\"652\" data-end=\"695\"\u003e\u003cstrong data-start=\"652\" data-end=\"693\"\u003eSignal processing for machine control\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"696\" data-end=\"753\"\u003e\n\u003cp data-start=\"698\" data-end=\"753\"\u003e\u003cstrong data-start=\"698\" data-end=\"722\"\u003eInterface management\u003c\/strong\u003e with other system components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"754\" data-end=\"814\"\u003e\n\u003cp data-start=\"756\" data-end=\"814\"\u003eSupporting the \u003cstrong data-start=\"771\" data-end=\"814\"\u003eoverall operation of the CNC controller\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"816\" data-end=\"819\"\u003e\n\u003ch3 data-start=\"821\" data-end=\"849\"\u003e🧩 Installation Location\u003c\/h3\u003e\n\u003cp data-start=\"850\" data-end=\"880\"\u003eThis PCB is usually installed:\u003c\/p\u003e\n\u003cul data-start=\"882\" data-end=\"1023\"\u003e\n\u003cli data-start=\"882\" data-end=\"918\"\u003e\n\u003cp data-start=\"884\" data-end=\"918\"\u003eInside the \u003cstrong data-start=\"895\" data-end=\"918\"\u003eCNC control cabinet\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"919\" data-end=\"972\"\u003e\n\u003cp data-start=\"921\" data-end=\"972\"\u003eOn the \u003cstrong data-start=\"928\" data-end=\"972\"\u003emain control rack \/ motherboard assembly\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"973\" data-end=\"1023\"\u003e\n\u003cp data-start=\"975\" data-end=\"1023\"\u003eConnected through the \u003cstrong data-start=\"997\" data-end=\"1023\"\u003eFANUC backplane system\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1025\" data-end=\"1028\"\u003e\n\u003ch3 data-start=\"1030\" data-end=\"1057\"\u003e🔎 Related Board Series\u003c\/h3\u003e\n\u003cp data-start=\"1058\" data-end=\"1120\"\u003eThe \u003cstrong data-start=\"1062\" data-end=\"1087\"\u003eA20B-8100-066x series\u003c\/strong\u003e includes several similar boards:\u003c\/p\u003e\n\u003cul data-start=\"1122\" data-end=\"1234\"\u003e\n\u003cli data-start=\"1122\" data-end=\"1144\"\u003e\n\u003cp data-start=\"1124\" data-end=\"1144\"\u003e\u003cstrong data-start=\"1124\" data-end=\"1142\"\u003eA20B-8100-0660\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1145\" data-end=\"1167\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1167\"\u003e\u003cstrong data-start=\"1147\" data-end=\"1165\"\u003eA20B-8100-0661\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1168\" data-end=\"1190\"\u003e\n\u003cp data-start=\"1170\" data-end=\"1190\"\u003e\u003cstrong data-start=\"1170\" data-end=\"1188\"\u003eA20B-8100-0662\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1191\" data-end=\"1213\"\u003e\n\u003cp data-start=\"1193\" data-end=\"1213\"\u003e\u003cstrong data-start=\"1193\" data-end=\"1211\"\u003eA20B-8100-0663\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1214\" data-end=\"1234\"\u003e\n\u003cp data-start=\"1216\" data-end=\"1234\"\u003e\u003cstrong data-start=\"1216\" data-end=\"1234\"\u003eA20B-8100-0664\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1236\" data-end=\"1375\"\u003eThese are typically \u003cstrong data-start=\"1256\" data-end=\"1304\"\u003ehardware revisions or configuration variants\u003c\/strong\u003e of the same board family used in different CNC machine configurations.\u003c\/p\u003e\n\u003chr data-start=\"1377\" data-end=\"1380\"\u003e\n\u003cp data-start=\"1382\" data-end=\"1536\"\u003e✅ \u003cstrong data-start=\"1384\" data-end=\"1407\"\u003eSimple explanation:\u003c\/strong\u003e\u003cbr data-start=\"1407\" data-end=\"1410\"\u003e\u003cstrong data-start=\"1410\" data-end=\"1533\"\u003eA20B-8100-0664 = FANUC internal CNC control PCB used for communication and signal processing inside the CNC controller.\u003c\/strong\u003e 🔧\u003c\/p\u003e\n\u003chr data-start=\"1538\" data-end=\"1541\"\u003e\n\u003cp data-start=\"1543\" data-end=\"1731\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you want, I can also explain \u003cstrong data-start=\"1575\" data-end=\"1634\"\u003ewhich A20B-8100 boards belong to FANUC 0i-D CPU systems\u003c\/strong\u003e and how to \u003cstrong data-start=\"1646\" data-end=\"1688\"\u003eidentify the correct replacement board\u003c\/strong\u003e, which is very useful for CNC maintenance.\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"New","offer_id":44871199981704,"sku":"A20B-8100-0664","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":46109851615368,"sku":"A20B-8100-0664","price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/1903\/3224\/files\/WhatsAppImage2025-10-18at1.47.49PM-2026-03-07T124020.165.jpg?v=1772867426","url":"https:\/\/jjautomation.in\/products\/fanuc-motherboard-for-21i-a20b-8100-0664","provider":"JJAutomation","version":"1.0","type":"link"}