{"product_id":"fanuc-cpu-pcb-for-16i-18i-21i-a20b-3300-0320-copy","title":"Fanuc Power Supply Unit for 16i\/ 18i\/ 21i A20B-8100-0720","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69a540f7-3498-8323-9c7b-e146c3e09ccd-5\" data-testid=\"conversation-turn-26\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"0097729a-71fd-416b-905b-33e39389dcaf\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"166\"\u003e\u003cstrong data-start=\"0\" data-end=\"18\"\u003eA20B-8100-0720\u003c\/strong\u003e is a \u003cstrong data-start=\"24\" data-end=\"82\"\u003ePanel-i terminal interface printed circuit board (PCB)\u003c\/strong\u003e used in CNC operator display systems made by \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eFANUC\u003c\/span\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"168\" data-end=\"186\"\u003e📌 Description\u003c\/h3\u003e\n\u003cul data-start=\"187\" data-end=\"383\"\u003e\n\u003cli data-start=\"187\" data-end=\"222\"\u003e\n\u003cp data-start=\"189\" data-end=\"222\"\u003e\u003cstrong data-start=\"189\" data-end=\"205\"\u003ePart Number:\u003c\/strong\u003e A20B-8100-0720\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"223\" data-end=\"277\"\u003e\n\u003cp data-start=\"225\" data-end=\"277\"\u003e\u003cstrong data-start=\"225\" data-end=\"240\"\u003eBoard Type:\u003c\/strong\u003e \u003cstrong data-start=\"241\" data-end=\"275\"\u003ePanel-i terminal interface PCB\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"278\" data-end=\"316\"\u003e\n\u003cp data-start=\"280\" data-end=\"316\"\u003e\u003cstrong data-start=\"280\" data-end=\"291\"\u003eSeries:\u003c\/strong\u003e A20B-8100 board series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"317\" data-end=\"383\"\u003e\n\u003cp data-start=\"319\" data-end=\"383\"\u003e\u003cstrong data-start=\"319\" data-end=\"335\"\u003eApplication:\u003c\/strong\u003e CNC operator display \/ Panel-i interface system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"385\" data-end=\"400\"\u003e⚙️ Function\u003c\/h3\u003e\n\u003cp data-start=\"401\" data-end=\"479\"\u003eThis board is used inside the \u003cstrong data-start=\"431\" data-end=\"455\"\u003ePanel-i display unit\u003c\/strong\u003e and is responsible for:\u003c\/p\u003e\n\u003cul data-start=\"481\" data-end=\"718\"\u003e\n\u003cli data-start=\"481\" data-end=\"557\"\u003e\n\u003cp data-start=\"483\" data-end=\"557\"\u003eHandling \u003cstrong data-start=\"492\" data-end=\"555\"\u003ecommunication between the CNC control and the display panel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"558\" data-end=\"636\"\u003e\n\u003cp data-start=\"560\" data-end=\"636\"\u003eManaging \u003cstrong data-start=\"569\" data-end=\"599\"\u003eoperator interface signals\u003c\/strong\u003e (keyboard, soft keys, screen data)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"637\" data-end=\"718\"\u003e\n\u003cp data-start=\"639\" data-end=\"718\"\u003eSupporting the \u003cstrong data-start=\"654\" data-end=\"687\"\u003eterminal interface processing\u003c\/strong\u003e of the operator display system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"720\" data-end=\"745\"\u003e🧩 Typical System Use\u003c\/h3\u003e\n\u003cp data-start=\"746\" data-end=\"846\"\u003eThe board is commonly installed in display units used with \u003cstrong data-start=\"805\" data-end=\"836\"\u003eFANUC i-Series CNC controls\u003c\/strong\u003e, such as:\u003c\/p\u003e\n\u003cul data-start=\"848\" data-end=\"888\"\u003e\n\u003cli data-start=\"848\" data-end=\"855\"\u003e\n\u003cp data-start=\"850\" data-end=\"855\"\u003e16i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"856\" data-end=\"863\"\u003e\n\u003cp data-start=\"858\" data-end=\"863\"\u003e18i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"864\" data-end=\"871\"\u003e\n\u003cp data-start=\"866\" data-end=\"871\"\u003e21i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"872\" data-end=\"888\"\u003e\n\u003cp data-start=\"874\" data-end=\"888\"\u003esome 0i models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"890\" data-end=\"947\"\u003eIt usually works together with other display boards like:\u003c\/p\u003e\n\u003cul data-start=\"948\" data-end=\"1056\"\u003e\n\u003cli data-start=\"948\" data-end=\"1012\"\u003e\n\u003cp data-start=\"950\" data-end=\"1012\"\u003e\u003cstrong data-start=\"950\" data-end=\"968\"\u003eA20B-8100-0800\u003c\/strong\u003e (main CPU board for the Panel-i terminal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1013\" data-end=\"1056\"\u003e\n\u003cp data-start=\"1015\" data-end=\"1056\"\u003eLCD control boards in the display module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1058\" data-end=\"1072\"\u003e🧠 Summary\u003c\/h3\u003e\n\u003cp data-start=\"1073\" data-end=\"1254\"\u003e\u003cstrong data-start=\"1073\" data-end=\"1254\"\u003eA20B-8100-0720 = Panel-i terminal interface PCB used in FANUC CNC display units to manage communication and operator interface signals between the control and the display panel.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1256\" data-end=\"1459\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you want, I can also show you the \u003cstrong data-start=\"1293\" data-end=\"1392\"\u003ecomplete board structure inside a FANUC CNC monitor (CPU board, CE cards, LCD boards, inverter)\u003c\/strong\u003e—which is very useful when diagnosing \u003cstrong data-start=\"1430\" data-end=\"1458\"\u003edisplay or boot problems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":44865808793736,"sku":"A20B-8100-0720","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-2026-03-05T163917.662.jpg?v=1772708965","url":"https:\/\/jjautomation.in\/products\/fanuc-cpu-pcb-for-16i-18i-21i-a20b-3300-0320-copy","provider":"JJAutomation","version":"1.0","type":"link"}