{"product_id":"fanuc-option-pcb-for-16i-18i-21i-a20b-8100-0450","title":"Fanuc Option PCB for 16i\/ 18i\/ 21i A20B-8100-0450","description":"\u003cul data-start=\"1390\" data-end=\"1990\"\u003e\n\u003cli data-start=\"1826\" data-end=\"1990\"\u003e\n\u003cp data-start=\"76\" data-end=\"406\"\u003eThe \u003cstrong data-start=\"80\" data-end=\"98\"\u003eA20B‑8100‑0450\u003c\/strong\u003e is a \u003cstrong data-start=\"104\" data-end=\"148\"\u003especialized Ethernet communication board\u003c\/strong\u003e used in industrial \u003cstrong data-start=\"168\" data-end=\"206\"\u003eFANUC CNC and robotics controllers\u003c\/strong\u003e to provide network connectivity. It is part of the \u003cstrong data-start=\"258\" data-end=\"278\"\u003eA20B‑8100 series\u003c\/strong\u003e of option\/communication printed circuit boards found inside FANUC controller electronics. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"408\" data-end=\"427\"\u003e🔌 What It Is\u003c\/h3\u003e\n\u003cul data-start=\"428\" data-end=\"1170\"\u003e\n\u003cli data-start=\"428\" data-end=\"695\"\u003e\n\u003cp data-start=\"430\" data-end=\"695\"\u003e\u003cstrong data-start=\"430\" data-end=\"443\"\u003eFunction:\u003c\/strong\u003e It’s an \u003cstrong data-start=\"452\" data-end=\"468\"\u003eEthernet PCB\u003c\/strong\u003e that provides \u003cstrong data-start=\"483\" data-end=\"510\"\u003eEthernet communications\u003c\/strong\u003e (network connectivity) for FANUC systems — typically used to link the controller to external networks, PCs, or industrial communication systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"696\" data-end=\"929\"\u003e\n\u003cp data-start=\"698\" data-end=\"929\"\u003e\u003cstrong data-start=\"698\" data-end=\"715\"\u003eConnectivity:\u003c\/strong\u003e Offers one \u003cstrong data-start=\"727\" data-end=\"749\"\u003eRJ45 Ethernet port\u003c\/strong\u003e for standard 100 Mbps communication, enabling data exchange such as program transfer, remote monitoring, or integration with other devices. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"930\" data-end=\"1170\"\u003e\n\u003cp data-start=\"932\" data-end=\"1170\"\u003e\u003cstrong data-start=\"932\" data-end=\"942\"\u003eUsage:\u003c\/strong\u003e Commonly used in controllers requiring Ethernet communication — for example in certain robotics controllers (like \u003cem data-start=\"1057\" data-end=\"1076\"\u003eFANUC R‑30iB Mate\u003c\/em\u003e) or CNC control units that support Ethernet networking. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1172\" data-end=\"1206\"\u003e🛠 Role in FANUC Controllers\u003c\/h3\u003e\n\u003cul data-start=\"1207\" data-end=\"1699\"\u003e\n\u003cli data-start=\"1207\" data-end=\"1355\"\u003e\n\u003cp data-start=\"1209\" data-end=\"1355\"\u003eThis board is \u003cstrong data-start=\"1223\" data-end=\"1243\"\u003enot the main CPU\u003c\/strong\u003e or motion control board — instead, it \u003cstrong data-start=\"1282\" data-end=\"1317\"\u003eextends controller capabilities\u003c\/strong\u003e by enabling Ethernet communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1356\" data-end=\"1527\"\u003e\n\u003cp data-start=\"1358\" data-end=\"1527\"\u003eIt typically plugs into a \u003cstrong data-start=\"1384\" data-end=\"1407\"\u003emini expansion slot\u003c\/strong\u003e or dedicated Ethernet interface port inside the controller cabinet’s backplane. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1528\" data-end=\"1699\"\u003e\n\u003cp data-start=\"1530\" data-end=\"1699\"\u003eWithout it (if Ethernet is required by the machine setup), the CNC or robot controller won’t be able to communicate over a network. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1701\" data-end=\"1729\"\u003e📋 Key Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"1730\" data-end=\"2147\"\u003e\n\u003cli data-start=\"1730\" data-end=\"1829\"\u003e\n\u003cp data-start=\"1732\" data-end=\"1829\"\u003e\u003cstrong data-start=\"1732\" data-end=\"1748\"\u003ePart Series:\u003c\/strong\u003e A20B‑8100 (interface\/communication PCBs) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1830\" data-end=\"1923\"\u003e\n\u003cp data-start=\"1832\" data-end=\"1923\"\u003e\u003cstrong data-start=\"1832\" data-end=\"1841\"\u003eType:\u003c\/strong\u003e Ethernet communication PCB with RJ45 port \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1924\" data-end=\"2000\"\u003e\n\u003cp data-start=\"1926\" data-end=\"2000\"\u003e\u003cstrong data-start=\"1926\" data-end=\"1940\"\u003eData Rate:\u003c\/strong\u003e Typically ~100 Mbps \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2001\" data-end=\"2147\"\u003e\n\u003cp data-start=\"2003\" data-end=\"2147\"\u003eUsed in industrial automation and robotics controller applications where network connectivity is needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JJAutomation","offers":[{"title":"New","offer_id":44838986350728,"sku":"A20B-8100-0450","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":46109847781512,"sku":"A20B-8100-0450","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-2026-02-25T145249.043.jpg?v=1772011377","url":"https:\/\/jjautomation.in\/products\/fanuc-option-pcb-for-16i-18i-21i-a20b-8100-0450","provider":"JJAutomation","version":"1.0","type":"link"}