{"product_id":"fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2101-0350-copy","title":"Fanuc ai Servo Amplifier Control Card 200VAC-input A20B-2100-0800","description":"\u003ch2 data-section-id=\"1l6ipoy\" data-start=\"108\" data-end=\"140\"\u003e🔧 A20B-2100-0800 — Description\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1l6ipoy\" data-start=\"108\" data-end=\"140\"\u003e📌 Full Technical Description\u003c\/h2\u003e\n\u003cp data-start=\"141\" data-end=\"271\"\u003e\u003cstrong data-start=\"141\" data-end=\"159\"\u003eA20B-2100-0800\u003c\/strong\u003e is a \u003cstrong data-start=\"165\" data-end=\"208\"\u003eFANUC Alpha i spindle drive control PCB\u003c\/strong\u003e used in \u003cstrong data-start=\"217\" data-end=\"270\"\u003eCNC spindle amplifier modules (aiSP \/ SPM series)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul data-start=\"273\" data-end=\"484\"\u003e\n\u003cli data-section-id=\"1ls4bne\" data-start=\"273\" data-end=\"300\"\u003e\n\u003cstrong data-start=\"275\" data-end=\"292\"\u003eManufacturer:\u003c\/strong\u003e FANUC\u003c\/li\u003e\n\u003cli data-section-id=\"12u2mbw\" data-start=\"301\" data-end=\"336\"\u003e\n\u003cstrong data-start=\"303\" data-end=\"319\"\u003ePart Number:\u003c\/strong\u003e A20B-2100-0800\u003c\/li\u003e\n\u003cli data-section-id=\"18cj1zx\" data-start=\"337\" data-end=\"400\"\u003e\n\u003cstrong data-start=\"339\" data-end=\"348\"\u003eType:\u003c\/strong\u003e Spindle drive control board (Type A \/ Type 1 PCB)\u003c\/li\u003e\n\u003cli data-section-id=\"1gfvg5i\" data-start=\"401\" data-end=\"426\"\u003e\n\u003cstrong data-start=\"403\" data-end=\"414\"\u003eSeries:\u003c\/strong\u003e A20B-2100\u003c\/li\u003e\n\u003cli data-section-id=\"guahah\" data-start=\"427\" data-end=\"484\"\u003e\n\u003cstrong data-start=\"429\" data-end=\"445\"\u003eApplication:\u003c\/strong\u003e CNC spindle amplifier (Alpha i series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"486\" data-end=\"489\"\u003e\n\u003ch2 data-section-id=\"15abxqy\" data-start=\"491\" data-end=\"520\"\u003e⚙️ Function (What it does)\u003c\/h2\u003e\n\u003cul data-start=\"521\" data-end=\"787\"\u003e\n\u003cli data-section-id=\"tr3306\" data-start=\"521\" data-end=\"584\"\u003eActs as the \u003cstrong data-start=\"535\" data-end=\"584\"\u003emain control PCB inside the spindle amplifier\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12p9ve6\" data-start=\"585\" data-end=\"787\"\u003eHandles:\n\u003cul data-start=\"598\" data-end=\"787\"\u003e\n\u003cli data-section-id=\"1k9qhur\" data-start=\"598\" data-end=\"629\"\u003eSpindle motor control logic\u003c\/li\u003e\n\u003cli data-section-id=\"166344e\" data-start=\"632\" data-end=\"690\"\u003eCommunication between CNC controller and spindle drive\u003c\/li\u003e\n\u003cli data-section-id=\"dj2e9p\" data-start=\"693\" data-end=\"738\"\u003eInternal signal processing and monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"finuqt\" data-start=\"741\" data-end=\"787\"\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=\"789\" data-end=\"904\"\u003e👉 In simple terms:\u003cbr data-start=\"808\" data-end=\"811\"\u003eIt is the \u003cstrong data-start=\"821\" data-end=\"859\"\u003e“brain board” of the spindle drive\u003c\/strong\u003e, controlling how the spindle motor operates.\u003c\/p\u003e\n\u003chr data-start=\"906\" data-end=\"909\"\u003e\n\u003ch2 data-section-id=\"bvgsf4\" data-start=\"911\" data-end=\"943\"\u003e🔍 Technical Role (Confirmed)\u003c\/h2\u003e\n\u003cul data-start=\"944\" data-end=\"1314\"\u003e\n\u003cli data-section-id=\"12rnps6\" data-start=\"944\" data-end=\"1130\"\u003eIdentified as:\n\u003cul data-start=\"963\" data-end=\"1130\"\u003e\n\u003cli data-section-id=\"qzds87\" data-start=\"963\" data-end=\"1036\"\u003e\n\u003cstrong data-start=\"965\" data-end=\"996\"\u003e“Spindle drive control PCB”\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1s1nn04\" data-start=\"1039\" data-end=\"1130\"\u003e\n\u003cstrong data-start=\"1041\" data-end=\"1090\"\u003e“Alpha i spindle module control PCB (Type A)”\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\u003cli data-section-id=\"9ki874\" data-start=\"1131\" data-end=\"1314\"\u003eUsed specifically in:\n\u003cul data-start=\"1157\" data-end=\"1314\"\u003e\n\u003cli data-section-id=\"t9z9c5\" data-start=\"1157\" data-end=\"1208\"\u003e\u003cstrong data-start=\"1159\" data-end=\"1206\"\u003eAlpha i spindle modules (aiSP \/ SPM series)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"12f3str\" data-start=\"1211\" data-end=\"1314\"\u003ePower range: approx. \u003cstrong data-start=\"1234\" data-end=\"1274\"\u003e2.2 kW to high-power spindle systems\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\u003chr data-start=\"1316\" data-end=\"1319\"\u003e\n\u003ch2 data-section-id=\"1v4nue1\" data-start=\"1321\" data-end=\"1343\"\u003e🏭 Where it is used\u003c\/h2\u003e\n\u003cul data-start=\"1344\" data-end=\"1553\"\u003e\n\u003cli data-section-id=\"6wsp85\" data-start=\"1344\" data-end=\"1474\"\u003eInstalled inside:\n\u003cul data-start=\"1366\" data-end=\"1474\"\u003e\n\u003cli data-section-id=\"1skpwx\" data-start=\"1366\" data-end=\"1406\"\u003eFANUC \u003cstrong data-start=\"1374\" data-end=\"1404\"\u003eAlpha i spindle amplifiers\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x1jb1m\" data-start=\"1409\" data-end=\"1474\"\u003eSystems like:\n\u003cul data-start=\"1429\" data-end=\"1474\"\u003e\n\u003cli data-section-id=\"16tycah\" data-start=\"1429\" data-end=\"1449\"\u003eA06B-6141 series\u003c\/li\u003e\n\u003cli data-section-id=\"2rtwu4\" data-start=\"1454\" data-end=\"1474\"\u003eA06B-6111 series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12vlgt4\" data-start=\"1475\" data-end=\"1553\"\u003eUsed in:\n\u003cul data-start=\"1488\" data-end=\"1553\"\u003e\n\u003cli data-section-id=\"9nr7ni\" data-start=\"1488\" data-end=\"1513\"\u003eCNC machining centers\u003c\/li\u003e\n\u003cli data-section-id=\"1uqvpnl\" data-start=\"1516\" data-end=\"1530\"\u003eCNC lathes\u003c\/li\u003e\n\u003cli data-section-id=\"18n0igq\" data-start=\"1533\" data-end=\"1553\"\u003eMilling machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1555\" data-end=\"1558\"\u003e\n\u003ch2 data-section-id=\"1umd4cr\" data-start=\"1560\" data-end=\"1585\"\u003e🧩 Key Characteristics\u003c\/h2\u003e\n\u003cul data-start=\"1586\" data-end=\"1834\"\u003e\n\u003cli data-section-id=\"900pf3\" data-start=\"1586\" data-end=\"1617\"\u003eInternal PCB (not standalone)\u003c\/li\u003e\n\u003cli data-section-id=\"b4a0br\" data-start=\"1618\" data-end=\"1658\"\u003eType: \u003cstrong data-start=\"1626\" data-end=\"1658\"\u003eType A spindle control board\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"estqpb\" data-start=\"1659\" data-end=\"1748\"\u003eWorks with:\n\u003cul data-start=\"1675\" data-end=\"1748\"\u003e\n\u003cli data-section-id=\"2oo9bs\" data-start=\"1675\" data-end=\"1714\"\u003eCNC controller (A20B \/ A16B boards)\u003c\/li\u003e\n\u003cli data-section-id=\"raywwl\" data-start=\"1717\" data-end=\"1748\"\u003eSpindle motor via amplifier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ocnne8\" data-start=\"1749\" data-end=\"1834\"\u003eOften paired with:\n\u003cul data-start=\"1772\" data-end=\"1834\"\u003e\n\u003cli data-section-id=\"c4kpwy\" data-start=\"1772\" data-end=\"1809\"\u003ePower supply modules (Alpha i PS)\u003c\/li\u003e\n\u003cli data-section-id=\"140dhf3\" data-start=\"1812\" data-end=\"1834\"\u003eServo systems (aiSV)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1836\" data-end=\"1839\"\u003e\n\u003ch2 data-section-id=\"c2zqdr\" data-start=\"1841\" data-end=\"1862\"\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul data-start=\"1863\" data-end=\"2126\"\u003e\n\u003cli data-section-id=\"1ky2tx\" data-start=\"1863\" data-end=\"1939\"\u003e❗ \u003cstrong data-start=\"1867\" data-end=\"1899\"\u003eDiscontinued by manufacturer\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1y25qc3\" data-start=\"1940\" data-end=\"2046\"\u003e❗ Not supplied separately in many cases (part of full amplifier) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cyomnk\" data-start=\"2047\" data-end=\"2126\"\u003e❗ Must match:\n\u003cul data-start=\"2065\" data-end=\"2126\"\u003e\n\u003cli data-section-id=\"pl6j2c\" data-start=\"2065\" data-end=\"2098\"\u003eExact spindle amplifier model\u003c\/li\u003e\n\u003cli data-section-id=\"1yl1uv1\" data-start=\"2101\" data-end=\"2126\"\u003eMachine configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1nccn2b\" data-start=\"2128\" data-end=\"2156\"\u003eCommon failure symptoms:\u003c\/h3\u003e\n\u003cul data-start=\"2157\" data-end=\"2241\"\u003e\n\u003cli data-section-id=\"m5yezs\" data-start=\"2157\" data-end=\"2181\"\u003eSpindle not rotating\u003c\/li\u003e\n\u003cli data-section-id=\"uss7em\" data-start=\"2182\" data-end=\"2205\"\u003eSpindle drive alarm\u003c\/li\u003e\n\u003cli data-section-id=\"lkinbq\" data-start=\"2206\" data-end=\"2241\"\u003eCNC–spindle communication fault\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2243\" data-end=\"2246\"\u003e\n\u003ch2 data-section-id=\"4p4rx5\" data-start=\"2248\" data-end=\"2261\"\u003e👍 Summary\u003c\/h2\u003e\n\u003cp data-start=\"2262\" data-end=\"2475\"\u003e\u003cstrong data-start=\"2262\" data-end=\"2322\"\u003eA20B-2100-0800 = FANUC Alpha i spindle drive control PCB\u003c\/strong\u003e\u003cbr data-start=\"2322\" data-end=\"2325\"\u003e➡️ Core control board inside spindle amplifier\u003cbr data-start=\"2371\" data-end=\"2374\"\u003e➡️ Controls spindle motor operation and communication\u003cbr data-start=\"2427\" data-end=\"2430\"\u003e➡️ Used in A06B-6141 \/ aiSP spindle systems\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":45035134451848,"sku":"A20B-2100-0800","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-2026-04-15T133329.073.jpg?v=1776240218","url":"https:\/\/jjautomation.in\/products\/fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2101-0350-copy","provider":"JJAutomation","version":"1.0","type":"link"}