{"product_id":"fanuc-motherboard-for-21i-a20b-8100-0663","title":"Fanuc Motherboard for 21i A20B-8100-0663","description":"\u003cp data-start=\"0\" data-end=\"138\"\u003e\u003cstrong data-start=\"0\" data-end=\"18\"\u003eA20B-8100-0663\u003c\/strong\u003e is a \u003cstrong data-start=\"24\" data-end=\"55\"\u003eprinted circuit board (PCB)\u003c\/strong\u003e used in CNC control systems manufactured 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-8100-0663\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=\"570\"\u003eThe \u003cstrong data-start=\"463\" data-end=\"481\"\u003eA20B-8100-0663\u003c\/strong\u003e board is used for \u003cstrong data-start=\"500\" data-end=\"569\"\u003esignal processing and communication inside the CNC control system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"598\"\u003eTypical functions include:\u003c\/p\u003e\n\u003cul data-start=\"600\" data-end=\"792\"\u003e\n\u003cli data-start=\"600\" data-end=\"645\"\u003e\n\u003cp data-start=\"602\" data-end=\"645\"\u003e\u003cstrong data-start=\"602\" data-end=\"645\"\u003eCommunication between CNC system boards\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"646\" data-end=\"686\"\u003e\n\u003cp data-start=\"648\" data-end=\"686\"\u003e\u003cstrong data-start=\"648\" data-end=\"686\"\u003eProcessing machine control signals\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"687\" data-end=\"735\"\u003e\n\u003cp data-start=\"689\" data-end=\"735\"\u003e\u003cstrong data-start=\"689\" data-end=\"713\"\u003eInterface management\u003c\/strong\u003e for different modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"736\" data-end=\"792\"\u003e\n\u003cp data-start=\"738\" data-end=\"792\"\u003eSupporting the \u003cstrong data-start=\"753\" data-end=\"792\"\u003eoperation of the CNC control system\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"794\" data-end=\"797\"\u003e\n\u003ch3 data-start=\"799\" data-end=\"827\"\u003e🧩 Installation Location\u003c\/h3\u003e\n\u003cp data-start=\"828\" data-end=\"860\"\u003eThis PCB is typically installed:\u003c\/p\u003e\n\u003cul data-start=\"862\" data-end=\"1020\"\u003e\n\u003cli data-start=\"862\" data-end=\"898\"\u003e\n\u003cp data-start=\"864\" data-end=\"898\"\u003eInside the \u003cstrong data-start=\"875\" data-end=\"898\"\u003eCNC control cabinet\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"953\"\u003e\n\u003cp data-start=\"901\" data-end=\"953\"\u003eOn the \u003cstrong data-start=\"908\" data-end=\"953\"\u003emain control rack or motherboard assembly\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"954\" data-end=\"1020\"\u003e\n\u003cp data-start=\"956\" data-end=\"1020\"\u003eConnected to other boards through the \u003cstrong data-start=\"994\" data-end=\"1020\"\u003eFANUC system backplane\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1022\" data-end=\"1025\"\u003e\n\u003ch3 data-start=\"1027\" data-end=\"1054\"\u003e🔎 Related Board Series\u003c\/h3\u003e\n\u003cp data-start=\"1055\" data-end=\"1117\"\u003eThe \u003cstrong data-start=\"1059\" data-end=\"1084\"\u003eA20B-8100-066x series\u003c\/strong\u003e includes several similar boards:\u003c\/p\u003e\n\u003cul data-start=\"1119\" data-end=\"1202\"\u003e\n\u003cli data-start=\"1119\" data-end=\"1139\"\u003e\n\u003cp data-start=\"1121\" data-end=\"1139\"\u003e\u003cstrong data-start=\"1121\" data-end=\"1139\"\u003eA20B-8100-0660\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1140\" data-end=\"1160\"\u003e\n\u003cp data-start=\"1142\" data-end=\"1160\"\u003e\u003cstrong data-start=\"1142\" data-end=\"1160\"\u003eA20B-8100-0661\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1161\" data-end=\"1181\"\u003e\n\u003cp data-start=\"1163\" data-end=\"1181\"\u003e\u003cstrong data-start=\"1163\" data-end=\"1181\"\u003eA20B-8100-0662\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1182\" data-end=\"1202\"\u003e\n\u003cp data-start=\"1184\" data-end=\"1202\"\u003e\u003cstrong data-start=\"1184\" data-end=\"1202\"\u003eA20B-8100-0663\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1204\" data-end=\"1310\"\u003eThese are generally \u003cstrong data-start=\"1224\" data-end=\"1272\"\u003ehardware revisions or configuration variants\u003c\/strong\u003e used in different CNC machine setups.\u003c\/p\u003e\n\u003chr data-start=\"1312\" data-end=\"1315\"\u003e\n\u003cp data-start=\"1317\" data-end=\"1471\"\u003e✅ \u003cstrong data-start=\"1319\" data-end=\"1342\"\u003eSimple explanation:\u003c\/strong\u003e\u003cbr data-start=\"1342\" data-end=\"1345\"\u003e\u003cstrong data-start=\"1345\" data-end=\"1468\"\u003eA20B-8100-0663 = 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=\"1473\" data-end=\"1476\"\u003e\n\u003cp data-start=\"1478\" data-end=\"1657\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you want, I can also explain the \u003cstrong data-start=\"1514\" data-end=\"1578\"\u003eexact difference between A20B-8100-0660 \/ 0661 \/ 0662 \/ 0663\u003c\/strong\u003e, which is useful when selecting a \u003cstrong data-start=\"1613\" data-end=\"1656\"\u003ereplacement board for FANUC CNC systems\u003c\/strong\u003e.\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"New","offer_id":44871191298184,"sku":"A20B-8100-0663","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":46109851582600,"sku":"A20B-8100-0663","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-8100-0663","provider":"JJAutomation","version":"1.0","type":"link"}