{"product_id":"fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2100-0802-copy","title":"Fanuc ai Servo Amplifier Control Card 200VAC-input A20B-2100-0804","description":"\u003ch2 data-section-id=\"1l6ipoy\" data-start=\"130\" data-end=\"162\"\u003e🔧 A20B-2100-0804 — Description\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1l6ipoy\" data-start=\"130\" data-end=\"162\"\u003e📌 Full Technical Description\u003c\/h2\u003e\n\u003cp data-start=\"163\" data-end=\"305\"\u003e\u003cstrong data-start=\"163\" data-end=\"181\"\u003eA20B-2100-0804\u003c\/strong\u003e is a \u003cstrong data-start=\"187\" data-end=\"231\"\u003eFANUC Alpha i spindle module control PCB\u003c\/strong\u003e used in \u003cstrong data-start=\"240\" data-end=\"304\"\u003ehigh-power CNC spindle amplifier systems (aiSP \/ SPM series)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul data-start=\"307\" data-end=\"506\"\u003e\n\u003cli data-section-id=\"1ls4bne\" data-start=\"307\" data-end=\"334\"\u003e\n\u003cstrong data-start=\"309\" data-end=\"326\"\u003eManufacturer:\u003c\/strong\u003e FANUC\u003c\/li\u003e\n\u003cli data-section-id=\"12u2iyw\" data-start=\"335\" data-end=\"370\"\u003e\n\u003cstrong data-start=\"337\" data-end=\"353\"\u003ePart Number:\u003c\/strong\u003e A20B-2100-0804\u003c\/li\u003e\n\u003cli data-section-id=\"1i3z03v\" data-start=\"371\" data-end=\"422\"\u003e\n\u003cstrong data-start=\"373\" data-end=\"382\"\u003eType:\u003c\/strong\u003e Spindle control PCB (Type A \/ Type 1)\u003c\/li\u003e\n\u003cli data-section-id=\"1gfvg5i\" data-start=\"423\" data-end=\"448\"\u003e\n\u003cstrong data-start=\"425\" data-end=\"436\"\u003eSeries:\u003c\/strong\u003e A20B-2100\u003c\/li\u003e\n\u003cli data-section-id=\"guahah\" data-start=\"449\" data-end=\"506\"\u003e\n\u003cstrong data-start=\"451\" data-end=\"467\"\u003eApplication:\u003c\/strong\u003e CNC spindle amplifier (Alpha i series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"508\" data-end=\"511\"\u003e\n\u003ch2 data-section-id=\"15abxqy\" data-start=\"513\" data-end=\"542\"\u003e⚙️ Function (What it does)\u003c\/h2\u003e\n\u003cul data-start=\"543\" data-end=\"809\"\u003e\n\u003cli data-section-id=\"zjqif9\" data-start=\"543\" data-end=\"606\"\u003eActs as a \u003cstrong data-start=\"555\" data-end=\"606\"\u003emain spindle control board inside the amplifier\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12p9ve6\" data-start=\"607\" data-end=\"809\"\u003eHandles:\n\u003cul data-start=\"620\" data-end=\"809\"\u003e\n\u003cli data-section-id=\"1k9qhur\" data-start=\"620\" data-end=\"651\"\u003eSpindle motor control logic\u003c\/li\u003e\n\u003cli data-section-id=\"166344e\" data-start=\"654\" data-end=\"712\"\u003eCommunication between CNC controller and spindle drive\u003c\/li\u003e\n\u003cli data-section-id=\"dj2e9p\" data-start=\"715\" data-end=\"760\"\u003eInternal signal processing and monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"finuqt\" data-start=\"763\" data-end=\"809\"\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=\"811\" data-end=\"912\"\u003e👉 In simple terms:\u003cbr data-start=\"830\" data-end=\"833\"\u003eIt is the \u003cstrong data-start=\"843\" data-end=\"911\"\u003emain control board that runs the spindle motor via the amplifier\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"914\" data-end=\"917\"\u003e\n\u003ch2 data-section-id=\"jfa277\" data-start=\"919\" data-end=\"954\"\u003e🔍 Technical Details (Important)\u003c\/h2\u003e\n\u003cul data-start=\"955\" data-end=\"1363\"\u003e\n\u003cli data-section-id=\"1g0di5q\" data-start=\"955\" data-end=\"1065\"\u003eIdentified as:\n\u003cul data-start=\"974\" data-end=\"1065\"\u003e\n\u003cli data-section-id=\"joucd0\" data-start=\"974\" data-end=\"1065\"\u003e\n\u003cstrong data-start=\"976\" data-end=\"1025\"\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=\"18x6lab\" data-start=\"1066\" data-end=\"1178\"\u003eInstalled in:\n\u003cul data-start=\"1084\" data-end=\"1178\"\u003e\n\u003cli data-section-id=\"14lb0jd\" data-start=\"1084\" data-end=\"1178\"\u003e\n\u003cstrong data-start=\"1086\" data-end=\"1138\"\u003eaiSP spindle amplifier modules (Type I \/ 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=\"12d55qj\" data-start=\"1179\" data-end=\"1363\"\u003eTypically used in:\n\u003cul data-start=\"1202\" data-end=\"1363\"\u003e\n\u003cli data-section-id=\"1oiyzqp\" data-start=\"1202\" data-end=\"1282\"\u003e\n\u003cstrong data-start=\"1204\" data-end=\"1242\"\u003eHigh-voltage systems (~400V class)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"d9tw6f\" data-start=\"1285\" data-end=\"1363\"\u003eAround \u003cstrong data-start=\"1294\" data-end=\"1323\"\u003e15 kW spindle power range\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=\"1365\" data-end=\"1469\"\u003e👉 This means:\u003cbr\u003e\u003cstrong data-start=\"1380\" data-end=\"1469\"\u003e0804 is generally used in higher-power spindle drives compared to 0800\/0801 variants.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1471\" data-end=\"1474\"\u003e\n\u003ch2 data-section-id=\"1v4nue1\" data-start=\"1476\" data-end=\"1498\"\u003e🏭 Where it is used\u003c\/h2\u003e\n\u003cul data-start=\"1499\" data-end=\"1718\"\u003e\n\u003cli data-section-id=\"1campno\" data-start=\"1499\" data-end=\"1587\"\u003eInstalled inside:\n\u003cul data-start=\"1521\" data-end=\"1587\"\u003e\n\u003cli data-section-id=\"f2aq1x\" data-start=\"1521\" data-end=\"1587\"\u003eFANUC \u003cstrong data-start=\"1529\" data-end=\"1585\"\u003eAlpha i spindle amplifiers (A06B-6141 \/ aiSP series)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gprycy\" data-start=\"1588\" data-end=\"1718\"\u003eWorks with:\n\u003cul data-start=\"1604\" data-end=\"1718\"\u003e\n\u003cli data-section-id=\"1279zqb\" data-start=\"1604\" data-end=\"1650\"\u003eCNC controller boards (A20B \/ A16B series)\u003c\/li\u003e\n\u003cli data-section-id=\"rgm3hv\" data-start=\"1653\" data-end=\"1718\"\u003eSpindle motors in machining centers, lathes, milling machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1720\" data-end=\"1723\"\u003e\n\u003ch2 data-section-id=\"13712h5\" data-start=\"1725\" data-end=\"1762\"\u003e🧩 Series Context (Very Important)\u003c\/h2\u003e\n\u003cp data-start=\"1763\" data-end=\"1800\"\u003eWithin the \u003cstrong data-start=\"1774\" data-end=\"1799\"\u003eA20B-2100-08xx family\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1802\" data-end=\"1999\"\u003e\n\u003cli data-section-id=\"g8vwl4\" data-start=\"1802\" data-end=\"1841\"\u003e\n\u003cstrong data-start=\"1804\" data-end=\"1812\"\u003e0800\u003c\/strong\u003e → Base spindle control PCB\u003c\/li\u003e\n\u003cli data-section-id=\"i1kbn7\" data-start=\"1842\" data-end=\"1881\"\u003e\n\u003cstrong data-start=\"1844\" data-end=\"1852\"\u003e0801\u003c\/strong\u003e → PLC\/add-on control board\u003c\/li\u003e\n\u003cli data-section-id=\"72hdl6\" data-start=\"1882\" data-end=\"1922\"\u003e\n\u003cstrong data-start=\"1884\" data-end=\"1892\"\u003e0802\u003c\/strong\u003e → Control\/interface variant\u003c\/li\u003e\n\u003cli data-section-id=\"3u70ho\" data-start=\"1923\" data-end=\"1999\"\u003e\n\u003cstrong data-start=\"1925\" data-end=\"1933\"\u003e0804\u003c\/strong\u003e → \u003cstrong data-start=\"1936\" data-end=\"1997\"\u003eHigh-power spindle control PCB (400V \/ larger kW systems)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2001\" data-end=\"2012\"\u003e👉 All are:\u003c\/p\u003e\n\u003cul data-start=\"2013\" data-end=\"2088\"\u003e\n\u003cli data-section-id=\"frw06e\" data-start=\"2013\" data-end=\"2032\"\u003eInternal boards\u003c\/li\u003e\n\u003cli data-section-id=\"hh69p4\" data-start=\"2033\" data-end=\"2051\"\u003eNot standalone\u003c\/li\u003e\n\u003cli data-section-id=\"i771wh\" data-start=\"2052\" data-end=\"2088\"\u003eMust match exact amplifier model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2090\" data-end=\"2093\"\u003e\n\u003ch2 data-section-id=\"c2zqdr\" data-start=\"2095\" data-end=\"2116\"\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul data-start=\"2117\" data-end=\"2333\"\u003e\n\u003cli data-section-id=\"dg9vjk\" data-start=\"2117\" data-end=\"2236\"\u003e❗ \u003cstrong data-start=\"2121\" data-end=\"2148\"\u003eNot supplied separately\u003c\/strong\u003e (usually part of full spindle amplifier module) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6gc366\" data-start=\"2237\" data-end=\"2278\"\u003e❗ Often \u003cstrong data-start=\"2247\" data-end=\"2276\"\u003erefurbished\/exchange only\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hy7g8t\" data-start=\"2279\" data-end=\"2333\"\u003e❗ Exact matching required (suffix + amplifier model)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1nccn2b\" data-start=\"2335\" data-end=\"2363\"\u003eCommon failure symptoms:\u003c\/h3\u003e\n\u003cul data-start=\"2364\" data-end=\"2447\"\u003e\n\u003cli data-section-id=\"m5yezs\" data-start=\"2364\" data-end=\"2388\"\u003eSpindle not rotating\u003c\/li\u003e\n\u003cli data-section-id=\"uss7em\" data-start=\"2389\" data-end=\"2412\"\u003eSpindle drive alarm\u003c\/li\u003e\n\u003cli data-section-id=\"1fzvz8k\" data-start=\"2413\" data-end=\"2447\"\u003eCommunication failure with CNC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2449\" data-end=\"2452\"\u003e\n\u003ch2 data-section-id=\"4p4rx5\" data-start=\"2454\" data-end=\"2467\"\u003e👍 Summary\u003c\/h2\u003e\n\u003cp data-start=\"2468\" data-end=\"2695\"\u003e\u003cstrong data-start=\"2468\" data-end=\"2533\"\u003eA20B-2100-0804 = FANUC Alpha i high-power spindle control PCB\u003c\/strong\u003e\u003cbr data-start=\"2533\" data-end=\"2536\"\u003e➡️ Used inside aiSP spindle amplifier modules\u003cbr data-start=\"2581\" data-end=\"2584\"\u003e➡️ Controls spindle motor operation and communication\u003cbr data-start=\"2637\" data-end=\"2640\"\u003e➡️ Typically for \u003cstrong data-start=\"2657\" data-end=\"2693\"\u003e400V \/ higher kW spindle systems\u003c\/strong\u003e\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":45035174035592,"sku":"A20B-2100-0804","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-2026-04-15T134352.361.jpg?v=1776240839","url":"https:\/\/jjautomation.in\/products\/fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2100-0802-copy","provider":"JJAutomation","version":"1.0","type":"link"}