{"product_id":"fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2100-0800-copy","title":"Fanuc ai Servo Amplifier Control Card 200VAC-input A20B-2100-0801","description":"\u003ch2 data-section-id=\"1l6ipoy\" data-start=\"83\" data-end=\"115\"\u003e🔧 A20B-2100-0801 — Description\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1l6ipoy\" data-start=\"83\" data-end=\"115\"\u003e📌 Full Technical Description\u003c\/h2\u003e\n\u003cp data-start=\"116\" data-end=\"313\"\u003e\u003cstrong data-start=\"116\" data-end=\"134\"\u003eA20B-2100-0801\u003c\/strong\u003e is a \u003cstrong data-start=\"140\" data-end=\"177\"\u003eFANUC PCB (printed circuit board)\u003c\/strong\u003e used as a \u003cstrong data-start=\"188\" data-end=\"249\"\u003ePLC\/add-on control board inside spindle amplifier modules\u003c\/strong\u003e, especially in \u003cstrong data-start=\"265\" data-end=\"312\"\u003eAlpha i spindle systems (SPM \/ aiSP series)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul data-start=\"315\" data-end=\"508\"\u003e\n\u003cli data-section-id=\"1ls4bne\" data-start=\"315\" data-end=\"342\"\u003e\n\u003cstrong data-start=\"317\" data-end=\"334\"\u003eManufacturer:\u003c\/strong\u003e FANUC\u003c\/li\u003e\n\u003cli data-section-id=\"12u2ljh\" data-start=\"343\" data-end=\"378\"\u003e\n\u003cstrong data-start=\"345\" data-end=\"361\"\u003ePart Number:\u003c\/strong\u003e A20B-2100-0801\u003c\/li\u003e\n\u003cli data-section-id=\"16w9piy\" data-start=\"379\" data-end=\"425\"\u003e\n\u003cstrong data-start=\"381\" data-end=\"390\"\u003eType:\u003c\/strong\u003e PLC \/ control PCB (add-on board)\u003c\/li\u003e\n\u003cli data-section-id=\"1gfvg5i\" data-start=\"426\" data-end=\"451\"\u003e\n\u003cstrong data-start=\"428\" data-end=\"439\"\u003eSeries:\u003c\/strong\u003e A20B-2100\u003c\/li\u003e\n\u003cli data-section-id=\"1q9az2\" data-start=\"452\" data-end=\"508\"\u003e\n\u003cstrong data-start=\"454\" data-end=\"470\"\u003eApplication:\u003c\/strong\u003e Spindle amplifier module (SPM series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"510\" data-end=\"513\"\u003e\n\u003ch2 data-section-id=\"15abxqy\" data-start=\"515\" data-end=\"544\"\u003e⚙️ Function (What it does)\u003c\/h2\u003e\n\u003cul data-start=\"545\" data-end=\"858\"\u003e\n\u003cli data-section-id=\"1jkr291\" data-start=\"545\" data-end=\"628\"\u003eWorks as an \u003cstrong data-start=\"559\" data-end=\"628\"\u003einternal control\/PLC interface board inside the spindle amplifier\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rhui4q\" data-start=\"629\" data-end=\"858\"\u003eHandles:\n\u003cul data-start=\"642\" data-end=\"858\"\u003e\n\u003cli data-section-id=\"1745irh\" data-start=\"642\" data-end=\"693\"\u003eControl signal processing for spindle operation\u003c\/li\u003e\n\u003cli data-section-id=\"5zu9e0\" data-start=\"696\" data-end=\"755\"\u003eCommunication between CNC controller and spindle module\u003c\/li\u003e\n\u003cli data-section-id=\"ohgkuu\" data-start=\"758\" data-end=\"808\"\u003eInternal logic and auxiliary control functions\u003c\/li\u003e\n\u003cli data-section-id=\"cl7ew2\" data-start=\"811\" data-end=\"858\"\u003eInterface for machine-level control signals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"860\" data-end=\"971\"\u003e👉 In simple terms:\u003cbr data-start=\"879\" data-end=\"882\"\u003eIt is a \u003cstrong data-start=\"890\" data-end=\"970\"\u003econtrol\/PLC board that supports spindle drive operation inside the amplifier\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"973\" data-end=\"976\"\u003e\n\u003ch2 data-section-id=\"bvgsf4\" data-start=\"978\" data-end=\"1010\"\u003e🔍 Technical Role (Confirmed)\u003c\/h2\u003e\n\u003cul data-start=\"1011\" data-end=\"1189\"\u003e\n\u003cli data-section-id=\"1hfve6n\" data-start=\"1011\" data-end=\"1189\"\u003eClassified as:\n\u003cul data-start=\"1030\" data-end=\"1189\"\u003e\n\u003cli data-section-id=\"guo5fe\" data-start=\"1030\" data-end=\"1105\"\u003e\n\u003cstrong data-start=\"1032\" data-end=\"1065\"\u003e“PC board \/ PLC add-on board”\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1q0o1wc\" data-start=\"1108\" data-end=\"1189\"\u003e\n\u003cstrong data-start=\"1110\" data-end=\"1149\"\u003eUsed for SPM series spindle modules\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=\"1191\" data-end=\"1295\"\u003e👉 This clearly shows:\u003cbr\u003e\u003cstrong data-start=\"1214\" data-end=\"1295\"\u003eIt belongs directly to the spindle amplifier system (not main CNC CPU board).\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1297\" data-end=\"1300\"\u003e\n\u003ch2 data-section-id=\"1v4nue1\" data-start=\"1302\" data-end=\"1324\"\u003e🏭 Where it is used\u003c\/h2\u003e\n\u003cul data-start=\"1325\" data-end=\"1497\"\u003e\n\u003cli data-section-id=\"bd8ych\" data-start=\"1325\" data-end=\"1407\"\u003eInstalled inside:\n\u003cul data-start=\"1347\" data-end=\"1407\"\u003e\n\u003cli data-section-id=\"1cekkv4\" data-start=\"1347\" data-end=\"1407\"\u003eFANUC \u003cstrong data-start=\"1355\" data-end=\"1405\"\u003eAlpha i spindle amplifier modules (SPM \/ aiSP)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"estqpb\" data-start=\"1408\" data-end=\"1497\"\u003eWorks with:\n\u003cul data-start=\"1424\" data-end=\"1497\"\u003e\n\u003cli data-section-id=\"2oo9bs\" data-start=\"1424\" data-end=\"1463\"\u003eCNC controller (A20B \/ A16B boards)\u003c\/li\u003e\n\u003cli data-section-id=\"raywwl\" data-start=\"1466\" data-end=\"1497\"\u003eSpindle motor via amplifier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1499\" data-end=\"1507\"\u003eUsed in:\u003c\/p\u003e\n\u003cul data-start=\"1508\" data-end=\"1569\"\u003e\n\u003cli data-section-id=\"9nr7ni\" data-start=\"1508\" data-end=\"1533\"\u003eCNC machining centers\u003c\/li\u003e\n\u003cli data-section-id=\"1uqvpnl\" data-start=\"1534\" data-end=\"1548\"\u003eCNC lathes\u003c\/li\u003e\n\u003cli data-section-id=\"18n0igq\" data-start=\"1549\" data-end=\"1569\"\u003eMilling machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1571\" data-end=\"1574\"\u003e\n\u003ch2 data-section-id=\"1umd4cr\" data-start=\"1576\" data-end=\"1601\"\u003e🧩 Key Characteristics\u003c\/h2\u003e\n\u003cul data-start=\"1602\" data-end=\"1811\"\u003e\n\u003cli data-section-id=\"t8q9vb\" data-start=\"1602\" data-end=\"1642\"\u003eInternal PCB (not standalone device)\u003c\/li\u003e\n\u003cli data-section-id=\"pm43da\" data-start=\"1643\" data-end=\"1707\"\u003eLightweight (~0.9 lbs) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kacjqa\" data-start=\"1708\" data-end=\"1765\"\u003eOften labeled with suffix versions (e.g., \/03B, \/06C)\u003c\/li\u003e\n\u003cli data-section-id=\"1isz572\" data-start=\"1766\" data-end=\"1811\"\u003ePart of modular spindle drive electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1813\" data-end=\"1816\"\u003e\n\u003ch2 data-section-id=\"c2zqdr\" data-start=\"1818\" data-end=\"1839\"\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul data-start=\"1840\" data-end=\"2069\"\u003e\n\u003cli data-section-id=\"1ky2tx\" data-start=\"1840\" data-end=\"1916\"\u003e❗ \u003cstrong data-start=\"1844\" data-end=\"1876\"\u003eDiscontinued by manufacturer\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sumftt\" data-start=\"1917\" data-end=\"1990\"\u003e❗ Typically available as:\n\u003cul data-start=\"1947\" data-end=\"1990\"\u003e\n\u003cli data-section-id=\"ewdjsf\" data-start=\"1947\" data-end=\"1962\"\u003eRefurbished\u003c\/li\u003e\n\u003cli data-section-id=\"h5ylqn\" data-start=\"1965\" data-end=\"1990\"\u003eUsed or exchange unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g904kw\" data-start=\"1991\" data-end=\"2069\"\u003e❗ Must match:\n\u003cul data-start=\"2009\" data-end=\"2069\"\u003e\n\u003cli data-section-id=\"pl6j2c\" data-start=\"2009\" data-end=\"2042\"\u003eExact spindle amplifier model\u003c\/li\u003e\n\u003cli data-section-id=\"4nxkf1\" data-start=\"2045\" data-end=\"2069\"\u003eSystem configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1nccn2b\" data-start=\"2071\" data-end=\"2099\"\u003eCommon failure symptoms:\u003c\/h3\u003e\n\u003cul data-start=\"2100\" data-end=\"2177\"\u003e\n\u003cli data-section-id=\"135l4oj\" data-start=\"2100\" data-end=\"2123\"\u003eSpindle not running\u003c\/li\u003e\n\u003cli data-section-id=\"7cf2n8\" data-start=\"2124\" data-end=\"2140\"\u003eDrive alarms\u003c\/li\u003e\n\u003cli data-section-id=\"7v329i\" data-start=\"2141\" data-end=\"2177\"\u003eCNC–spindle communication issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2179\" data-end=\"2182\"\u003e\n\u003ch2 data-section-id=\"4p4rx5\" data-start=\"2184\" data-end=\"2197\"\u003e👍 Summary\u003c\/h2\u003e\n\u003cp data-start=\"2198\" data-end=\"2412\"\u003e\u003cstrong data-start=\"2198\" data-end=\"2258\"\u003eA20B-2100-0801 = FANUC spindle amplifier PLC\/control PCB\u003c\/strong\u003e\u003cbr data-start=\"2258\" data-end=\"2261\"\u003e➡️ Used inside Alpha i spindle modules (SPM \/ aiSP)\u003cbr data-start=\"2312\" data-end=\"2315\"\u003e➡️ Handles control logic and communication\u003cbr data-start=\"2357\" data-end=\"2360\"\u003e➡️ Supports spindle drive operation (not standalone)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":45035158143112,"sku":"A20B-2100-0801","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-2026-04-15T133646.227.jpg?v=1776240414","url":"https:\/\/jjautomation.in\/products\/fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2100-0800-copy","provider":"JJAutomation","version":"1.0","type":"link"}