{"product_id":"fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2101-0354-copy","title":"Fanuc ai Servo Amplifier Control Card 200VAC-input A20B-2101-0350","description":"\u003ch3 data-section-id=\"fmhnjf\" data-start=\"0\" data-end=\"35\"\u003e🔧 A20B-2101-0350 — Description\u003c\/h3\u003e\n\u003cp data-start=\"37\" data-end=\"235\"\u003e\u003cstrong data-start=\"37\" data-end=\"55\"\u003eA20B-2101-0350\u003c\/strong\u003e is a \u003cstrong data-start=\"61\" data-end=\"120\"\u003eFANUC spindle drive control PCB (printed circuit board)\u003c\/strong\u003e used in \u003cstrong data-start=\"129\" data-end=\"162\"\u003eCNC spindle amplifier systems\u003c\/strong\u003e, particularly with \u003cstrong data-start=\"182\" data-end=\"234\"\u003eAlpha i spindle drives (A06B-6141 \/ 6111 series)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"237\" data-end=\"240\"\u003e\n\u003ch2 data-section-id=\"1l6ipoy\" data-start=\"242\" data-end=\"274\"\u003e📌 Full Technical Description\u003c\/h2\u003e\n\u003cul data-start=\"275\" data-end=\"478\"\u003e\n\u003cli data-section-id=\"1ls4bne\" data-start=\"275\" data-end=\"302\"\u003e\n\u003cstrong data-start=\"277\" data-end=\"294\"\u003eManufacturer:\u003c\/strong\u003e FANUC\u003c\/li\u003e\n\u003cli data-section-id=\"yfoepv\" data-start=\"303\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"305\" data-end=\"321\"\u003ePart Number:\u003c\/strong\u003e A20B-2101-0350\u003c\/li\u003e\n\u003cli data-section-id=\"1x4s4w2\" data-start=\"339\" data-end=\"386\"\u003e\n\u003cstrong data-start=\"341\" data-end=\"350\"\u003eType:\u003c\/strong\u003e Spindle drive control board (PCB)\u003c\/li\u003e\n\u003cli data-section-id=\"1gfvfd3\" data-start=\"387\" data-end=\"412\"\u003e\n\u003cstrong data-start=\"389\" data-end=\"400\"\u003eSeries:\u003c\/strong\u003e A20B-2101\u003c\/li\u003e\n\u003cli data-section-id=\"1lflz40\" data-start=\"413\" data-end=\"478\"\u003e\n\u003cstrong data-start=\"415\" data-end=\"431\"\u003eApplication:\u003c\/strong\u003e CNC spindle amplifier (Alpha i \/ aiSP systems)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"480\" data-end=\"483\"\u003e\n\u003ch2 data-section-id=\"15abxqy\" data-start=\"485\" data-end=\"514\"\u003e⚙️ Function (What it does)\u003c\/h2\u003e\n\u003cul data-start=\"515\" data-end=\"772\"\u003e\n\u003cli data-section-id=\"7j3fol\" data-start=\"515\" data-end=\"578\"\u003eActs as a \u003cstrong data-start=\"527\" data-end=\"578\"\u003emain control board inside the spindle amplifier\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qiegat\" data-start=\"579\" data-end=\"772\"\u003eHandles:\n\u003cul data-start=\"592\" data-end=\"772\"\u003e\n\u003cli data-section-id=\"1k9qhur\" data-start=\"592\" data-end=\"623\"\u003eSpindle motor control logic\u003c\/li\u003e\n\u003cli data-section-id=\"166344e\" data-start=\"626\" data-end=\"684\"\u003eCommunication between CNC controller and spindle drive\u003c\/li\u003e\n\u003cli data-section-id=\"vfu9w6\" data-start=\"687\" data-end=\"723\"\u003eInternal drive signal processing\u003c\/li\u003e\n\u003cli data-section-id=\"finuqt\" data-start=\"726\" data-end=\"772\"\u003eCoordination of power and feedback systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"774\" data-end=\"898\"\u003e👉 In simple terms:\u003cbr data-start=\"793\" data-end=\"796\"\u003eIt is the \u003cstrong data-start=\"806\" data-end=\"856\"\u003econtrol “brain board” of the spindle amplifier\u003c\/strong\u003e, managing how the spindle motor operates.\u003c\/p\u003e\n\u003chr data-start=\"900\" data-end=\"903\"\u003e\n\u003ch2 data-section-id=\"bvgsf4\" data-start=\"905\" data-end=\"937\"\u003e🔍 Technical Role (Confirmed)\u003c\/h2\u003e\n\u003cul data-start=\"938\" data-end=\"1203\"\u003e\n\u003cli data-section-id=\"14p6s2e\" data-start=\"938\" data-end=\"1203\"\u003eIdentified as:\n\u003cul data-start=\"957\" data-end=\"1203\"\u003e\n\u003cli data-section-id=\"9qro1p\" data-start=\"957\" data-end=\"1034\"\u003e\n\u003cstrong data-start=\"959\" data-end=\"994\"\u003e“Alpha i spindle control board”\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1q8hvpi\" data-start=\"1037\" data-end=\"1112\"\u003e\n\u003cstrong data-start=\"1039\" data-end=\"1072\"\u003e“Alpha iSP control board PCB”\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hzy3uf\" data-start=\"1115\" data-end=\"1203\"\u003e\n\u003cstrong data-start=\"1117\" data-end=\"1163\"\u003eSpindle drive board for 6141 series drives\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1205\" data-end=\"1323\"\u003e👉 This clearly confirms:\u003cbr data-start=\"1230\" data-end=\"1233\"\u003e\u003cstrong data-start=\"1233\" data-end=\"1323\"\u003eIt directly belongs to FANUC spindle drive systems (not general CNC CPU or I\/O board).\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1325\" data-end=\"1328\"\u003e\n\u003ch2 data-section-id=\"1v4nue1\" data-start=\"1330\" data-end=\"1352\"\u003e🏭 Where it is used\u003c\/h2\u003e\n\u003cul data-start=\"1353\" data-end=\"1561\"\u003e\n\u003cli data-section-id=\"1i5oxob\" data-start=\"1353\" data-end=\"1482\"\u003eInstalled inside:\n\u003cul data-start=\"1375\" data-end=\"1482\"\u003e\n\u003cli data-section-id=\"1y8m6fu\" data-start=\"1375\" data-end=\"1428\"\u003eFANUC \u003cstrong data-start=\"1383\" data-end=\"1426\"\u003eAlpha i spindle amplifiers (aiSP \/ SPM)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11zq63z\" data-start=\"1431\" data-end=\"1482\"\u003e\u003cstrong data-start=\"1433\" data-end=\"1480\"\u003eA06B-6141 \/ A06B-6111 series spindle drives\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12vlgt4\" data-start=\"1483\" data-end=\"1561\"\u003eUsed in:\n\u003cul data-start=\"1496\" data-end=\"1561\"\u003e\n\u003cli data-section-id=\"9nr7ni\" data-start=\"1496\" data-end=\"1521\"\u003eCNC machining centers\u003c\/li\u003e\n\u003cli data-section-id=\"1uqvpnl\" data-start=\"1524\" data-end=\"1538\"\u003eCNC lathes\u003c\/li\u003e\n\u003cli data-section-id=\"18n0igq\" data-start=\"1541\" data-end=\"1561\"\u003eMilling machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1563\" data-end=\"1566\"\u003e\n\u003ch2 data-section-id=\"1umd4cr\" data-start=\"1568\" data-end=\"1593\"\u003e🧩 Key Characteristics\u003c\/h2\u003e\n\u003cul data-start=\"1594\" data-end=\"1923\"\u003e\n\u003cli data-section-id=\"1g4xi17\" data-start=\"1594\" data-end=\"1678\"\u003ePCB type: \u003cstrong data-start=\"1606\" data-end=\"1638\"\u003eType A spindle control board\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cd8asg\" data-start=\"1679\" data-end=\"1719\"\u003eLightweight, compact internal module\u003c\/li\u003e\n\u003cli data-section-id=\"10dkcjy\" data-start=\"1720\" data-end=\"1833\"\u003eDesigned for industrial environments (temperature, humidity controlled) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"estqpb\" data-start=\"1834\" data-end=\"1923\"\u003eWorks with:\n\u003cul data-start=\"1850\" data-end=\"1923\"\u003e\n\u003cli data-section-id=\"2oo9bs\" data-start=\"1850\" data-end=\"1889\"\u003eCNC controller (A20B \/ A16B boards)\u003c\/li\u003e\n\u003cli data-section-id=\"raywwl\" data-start=\"1892\" data-end=\"1923\"\u003eSpindle motor via amplifier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1925\" data-end=\"1928\"\u003e\n\u003ch2 data-section-id=\"c2zqdr\" data-start=\"1930\" data-end=\"1951\"\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul data-start=\"1952\" data-end=\"2165\"\u003e\n\u003cli data-section-id=\"9or7i6\" data-start=\"1952\" data-end=\"2003\"\u003e❗ Not a standalone device (internal board only)\u003c\/li\u003e\n\u003cli data-section-id=\"20lyjn\" data-start=\"2004\" data-end=\"2099\"\u003e❗ Must match:\n\u003cul data-start=\"2022\" data-end=\"2099\"\u003e\n\u003cli data-section-id=\"pl6j2c\" data-start=\"2022\" data-end=\"2055\"\u003eExact spindle amplifier model\u003c\/li\u003e\n\u003cli data-section-id=\"z9yh66\" data-start=\"2058\" data-end=\"2099\"\u003ePower rating and system configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yxi6rd\" data-start=\"2100\" data-end=\"2165\"\u003e❗ Usually replaced via:\n\u003cul data-start=\"2128\" data-end=\"2165\"\u003e\n\u003cli data-section-id=\"j55y9h\" data-start=\"2128\" data-end=\"2138\"\u003eRepair\u003c\/li\u003e\n\u003cli data-section-id=\"e9vx84\" data-start=\"2141\" data-end=\"2165\"\u003eRefurbished exchange\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1nccn2b\" data-start=\"2167\" data-end=\"2195\"\u003eCommon failure symptoms:\u003c\/h3\u003e\n\u003cul data-start=\"2196\" data-end=\"2282\"\u003e\n\u003cli data-section-id=\"m5yezs\" data-start=\"2196\" data-end=\"2220\"\u003eSpindle not rotating\u003c\/li\u003e\n\u003cli data-section-id=\"lyb2kt\" data-start=\"2221\" data-end=\"2245\"\u003eSpindle drive alarms\u003c\/li\u003e\n\u003cli data-section-id=\"1hwzl1\" data-start=\"2246\" data-end=\"2282\"\u003eCNC–spindle communication faults\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2284\" data-end=\"2287\"\u003e\n\u003ch2 data-section-id=\"4p4rx5\" data-start=\"2289\" data-end=\"2302\"\u003e👍 Summary\u003c\/h2\u003e\n\u003cp data-start=\"2303\" data-end=\"2524\"\u003e\u003cstrong data-start=\"2303\" data-end=\"2363\"\u003eA20B-2101-0350 = FANUC Alpha i spindle drive control PCB\u003c\/strong\u003e\u003cbr data-start=\"2363\" data-end=\"2366\"\u003e➡️ Core control board inside spindle amplifier\u003cbr data-start=\"2412\" data-end=\"2415\"\u003e➡️ Controls spindle motor operation and communication\u003cbr data-start=\"2468\" data-end=\"2471\"\u003e➡️ Used with A06B-6141 \/ 6111 spindle drive systems\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":45035093786760,"sku":"A20B-2101-0350","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-2026-04-15T131846.377.jpg?v=1776239339","url":"https:\/\/jjautomation.in\/products\/fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2101-0354-copy","provider":"JJAutomation","version":"1.0","type":"link"}