{"product_id":"fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2101-0042-copy","title":"Fanuc ai Servo Amplifier Control Card 200VAC-input A20B-2100-0742","description":"\u003ch2 data-section-id=\"1y7czv5\" data-start=\"0\" data-end=\"77\"\u003e\u003cspan role=\"text\"\u003e🔧 \u003cstrong data-start=\"6\" data-end=\"77\"\u003eFANUC A20B‑2100‑0742 – Power \/ Control PCB (Servo Amplifier Module)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"79\" data-end=\"118\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eFANUC A20B-2100-0742 PCB Board\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"120\" data-end=\"123\"\u003e\n\u003ch2 data-section-id=\"1cdf7ci\" data-start=\"125\" data-end=\"150\"\u003e🧠 Model Description\u003c\/h2\u003e\n\u003cp data-start=\"151\" data-end=\"411\"\u003e\u003cstrong data-start=\"151\" data-end=\"169\"\u003eA20B‑2100‑0742\u003c\/strong\u003e is a \u003cstrong data-start=\"175\" data-end=\"221\"\u003eFANUC internal printed circuit board (PCB)\u003c\/strong\u003e used inside \u003cstrong data-start=\"234\" data-end=\"274\"\u003eAlpha i (αi) servo amplifier modules\u003c\/strong\u003e. It is primarily a \u003cstrong data-start=\"294\" data-end=\"329\"\u003epower control \/ interface board\u003c\/strong\u003e responsible for managing \u003cstrong data-start=\"355\" data-end=\"388\"\u003edrive logic and communication\u003c\/strong\u003e with the servo motors.\u003c\/p\u003e\n\u003chr data-start=\"413\" data-end=\"416\"\u003e\n\u003ch2 data-section-id=\"6niyyd\" data-start=\"418\" data-end=\"447\"\u003e⚙️ Key Technical Details\u003c\/h2\u003e\n\u003cul data-start=\"449\" data-end=\"753\"\u003e\n\u003cli data-section-id=\"d1y3v2\" data-start=\"449\" data-end=\"499\"\u003e\n\u003cstrong data-start=\"451\" data-end=\"460\"\u003eType:\u003c\/strong\u003e Internal control\/power interface PCB\u003c\/li\u003e\n\u003cli data-section-id=\"t9ha2i\" data-start=\"500\" data-end=\"525\"\u003e\n\u003cstrong data-start=\"502\" data-end=\"513\"\u003eSeries:\u003c\/strong\u003e A20B‑2100\u003c\/li\u003e\n\u003cli data-section-id=\"15ma74t\" data-start=\"526\" data-end=\"612\"\u003e\n\u003cstrong data-start=\"528\" data-end=\"541\"\u003eFunction:\u003c\/strong\u003e Control and interface between CNC commands and the servo power stage\u003c\/li\u003e\n\u003cli data-section-id=\"1fov763\" data-start=\"613\" data-end=\"698\"\u003e\n\u003cstrong data-start=\"615\" data-end=\"634\"\u003eAxes Supported:\u003c\/strong\u003e Usually \u003cstrong data-start=\"643\" data-end=\"658\"\u003e1 or 2 axes\u003c\/strong\u003e, depending on amplifier configuration\u003c\/li\u003e\n\u003cli data-section-id=\"182wefm\" data-start=\"699\" data-end=\"753\"\u003e\n\u003cstrong data-start=\"701\" data-end=\"713\"\u003eUsed In:\u003c\/strong\u003e Alpha i servo amplifiers (SVM series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"755\" data-end=\"758\"\u003e\n\u003ch2 data-section-id=\"bga9cp\" data-start=\"760\" data-end=\"780\"\u003e⚙️ What It Does\u003c\/h2\u003e\n\u003cp data-start=\"782\" data-end=\"825\"\u003eThe board performs the following functions:\u003c\/p\u003e\n\u003col data-start=\"827\" data-end=\"1277\"\u003e\n\u003cli data-section-id=\"1hbg8uu\" data-start=\"827\" data-end=\"968\"\u003e\n\u003cstrong data-start=\"830\" data-end=\"858\"\u003eMotion Control Interface\u003c\/strong\u003e\n\u003cul data-start=\"864\" data-end=\"968\"\u003e\n\u003cli data-section-id=\"1qbanxc\" data-start=\"864\" data-end=\"905\"\u003eReceives commands from CNC controller\u003c\/li\u003e\n\u003cli data-section-id=\"wsshc\" data-start=\"909\" data-end=\"968\"\u003eSends signals to servo motors via amplifier power stage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ww2op3\" data-start=\"970\" data-end=\"1124\"\u003e\n\u003cstrong data-start=\"973\" data-end=\"1008\"\u003ePower Management \/ Coordination\u003c\/strong\u003e\n\u003cul data-start=\"1014\" data-end=\"1124\"\u003e\n\u003cli data-section-id=\"dv41h0\" data-start=\"1014\" data-end=\"1064\"\u003eControls IGBT switching in the servo amplifier\u003c\/li\u003e\n\u003cli data-section-id=\"i8lv5y\" data-start=\"1068\" data-end=\"1124\"\u003eCoordinates multi-axis motion in 1–2 axis amplifiers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bzquav\" data-start=\"1126\" data-end=\"1277\"\u003e\n\u003cstrong data-start=\"1129\" data-end=\"1157\"\u003eFeedback \/ Communication\u003c\/strong\u003e\n\u003cul data-start=\"1163\" data-end=\"1277\"\u003e\n\u003cli data-section-id=\"19j3unu\" data-start=\"1163\" data-end=\"1211\"\u003eInterfaces with encoder or resolver feedback\u003c\/li\u003e\n\u003cli data-section-id=\"1i9twg3\" data-start=\"1215\" data-end=\"1277\"\u003eCommunicates with CNC via \u003cstrong data-start=\"1243\" data-end=\"1275\"\u003eFSSB (Fiber optic servo bus)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"1279\" data-end=\"1411\"\u003e👉 Simple explanation:\u003cbr data-start=\"1301\" data-end=\"1304\"\u003e\u003cstrong data-start=\"1304\" data-end=\"1411\"\u003eIt acts as the “brain and interface” between CNC commands and the power stage that drives servo motors.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1413\" data-end=\"1416\"\u003e\n\u003ch2 data-section-id=\"9xa5o9\" data-start=\"1418\" data-end=\"1442\"\u003e🏭 Where It Is Used\u003c\/h2\u003e\n\u003cul data-start=\"1444\" data-end=\"1706\"\u003e\n\u003cli data-section-id=\"yocul1\" data-start=\"1444\" data-end=\"1595\"\u003eInside \u003cstrong data-start=\"1453\" data-end=\"1486\"\u003eAlpha i (αi) servo amplifiers\u003c\/strong\u003e, particularly in:\n\u003cul data-start=\"1507\" data-end=\"1595\"\u003e\n\u003cli data-section-id=\"xohp1q\" data-start=\"1507\" data-end=\"1548\"\u003eMedium or high-power 1–2 axis modules\u003c\/li\u003e\n\u003cli data-section-id=\"18qdoxj\" data-start=\"1551\" data-end=\"1595\"\u003eMachines requiring precise servo control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"123ze8d\" data-start=\"1596\" data-end=\"1706\"\u003eTypical applications:\n\u003cul data-start=\"1622\" data-end=\"1706\"\u003e\n\u003cli data-section-id=\"9nr7ni\" data-start=\"1622\" data-end=\"1647\"\u003eCNC machining centers\u003c\/li\u003e\n\u003cli data-section-id=\"1cpjzx8\" data-start=\"1650\" data-end=\"1681\"\u003eVertical \/ horizontal mills\u003c\/li\u003e\n\u003cli data-section-id=\"6gqijl\" data-start=\"1684\" data-end=\"1706\"\u003eAutomation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1708\" data-end=\"1711\"\u003e\n\u003ch2 data-section-id=\"qy0lzg\" data-start=\"1713\" data-end=\"1740\"\u003e🔍 Key Characteristics\u003c\/h2\u003e\n\u003cul data-start=\"1742\" data-end=\"1991\"\u003e\n\u003cli data-section-id=\"u337pr\" data-start=\"1742\" data-end=\"1788\"\u003e✔ Internal PCB (cannot operate standalone)\u003c\/li\u003e\n\u003cli data-section-id=\"1b70mp3\" data-start=\"1789\" data-end=\"1853\"\u003e✔ Controls one or two axes depending on module configuration\u003c\/li\u003e\n\u003cli data-section-id=\"xh8pmp\" data-start=\"1854\" data-end=\"1903\"\u003e✔ Handles power switching logic (IGBT driver)\u003c\/li\u003e\n\u003cli data-section-id=\"535ml4\" data-start=\"1904\" data-end=\"1957\"\u003e✔ Compatible with FANUC αi servo amplifier series\u003c\/li\u003e\n\u003cli data-section-id=\"12e184k\" data-start=\"1958\" data-end=\"1991\"\u003e✔ Supports FSSB communication\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1993\" data-end=\"1996\"\u003e\n\u003ch2 data-section-id=\"2i2t9w\" data-start=\"1998\" data-end=\"2038\"\u003e🔄 Difference from A20B‑2101 Series\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2040\" data-end=\"2230\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2040\" data-end=\"2060\"\u003e\n\u003ctr data-start=\"2040\" data-end=\"2060\"\u003e\n\u003cth data-start=\"2040\" data-end=\"2048\" data-col-size=\"sm\" class=\"\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"2048\" data-end=\"2060\" data-col-size=\"md\" class=\"\"\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2081\" data-end=\"2230\"\u003e\n\u003ctr data-start=\"2081\" data-end=\"2158\"\u003e\n\u003ctd data-start=\"2081\" data-end=\"2102\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2083\" data-end=\"2101\"\u003eA20B‑2100‑0742\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2102\" data-end=\"2158\" data-col-size=\"md\"\u003ePower interface + drive logic PCB (inside amplifier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2159\" data-end=\"2230\"\u003e\n\u003ctd data-start=\"2159\" data-end=\"2180\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2161\" data-end=\"2179\"\u003eA20B‑2101‑0042\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2180\" data-end=\"2230\" data-col-size=\"md\"\u003eControl PCB (motion logic + CNC communication)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"2232\" data-end=\"2341\"\u003e👉 2100 series mostly deals with \u003cstrong data-start=\"2265\" data-end=\"2290\"\u003epower stage interface\u003c\/strong\u003e, 2101 series with \u003cstrong data-start=\"2309\" data-end=\"2340\"\u003econtrol \/ motion processing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2343\" data-end=\"2346\"\u003e\n\u003ch2 data-section-id=\"1dxthdy\" data-start=\"2348\" data-end=\"2374\"\u003e🧠 Simple Explanation\u003c\/h2\u003e\n\u003cp data-start=\"2376\" data-end=\"2549\"\u003e👉 \u003cstrong data-start=\"2379\" data-end=\"2549\"\u003eA20B‑2100‑0742 is an internal FANUC PCB that manages the power stage and interfaces between the servo amplifier and motors, coordinating motion commands from the CNC.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":44957485105288,"sku":"A20B-2100-0742","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-2026-04-01T125105.222.jpg?v=1775028075","url":"https:\/\/jjautomation.in\/products\/fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2101-0042-copy","provider":"JJAutomation","version":"1.0","type":"link"}