{"product_id":"fanuc-communication-board-for-0i-b-0i-mate-b-16i-18i-21i-a20b-8100-0334","title":"Fanuc communication board for 0i-B\/ 0i Mate-B\/ 16i\/ 18i\/ 21i A20B-8100-0334","description":"\u003ch3 data-start=\"0\" data-end=\"75\"\u003e📌 \u003cstrong data-start=\"7\" data-end=\"75\"\u003eFANUC A20B‑8100‑0334 — RS‑232 Serial Communication PCB (RB\/DNC2)\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"77\" data-end=\"481\"\u003e\u003cstrong data-start=\"77\" data-end=\"92\"\u003eWhat it is:\u003c\/strong\u003e\u003cbr data-start=\"92\" data-end=\"95\"\u003eThe \u003cstrong data-start=\"99\" data-end=\"123\"\u003eFANUC A20B‑8100‑0334\u003c\/strong\u003e is a \u003cstrong data-start=\"129\" data-end=\"182\"\u003eserial communications printed circuit board (PCB)\u003c\/strong\u003e used in FANUC CNC controller systems to provide \u003cstrong data-start=\"231\" data-end=\"269\"\u003eRS‑232 data transfer functionality\u003c\/strong\u003e. It’s part of the \u003cstrong data-start=\"288\" data-end=\"308\"\u003eA20B‑8100 series\u003c\/strong\u003e of optional interface and expansion cards that can be installed in modular FANUC controls to add or extend communication capabilities. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"483\" data-end=\"506\"\u003e\u003cstrong data-start=\"483\" data-end=\"504\"\u003ePrimary Function:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"507\" data-end=\"1062\"\u003e\n\u003cli data-start=\"507\" data-end=\"856\"\u003e\n\u003cp data-start=\"509\" data-end=\"856\"\u003e📡 \u003cstrong data-start=\"512\" data-end=\"554\"\u003eRS‑232 Serial Communication Interface:\u003c\/strong\u003e This board implements an \u003cstrong data-start=\"580\" data-end=\"600\"\u003eRS‑232 (RB\/DNC2)\u003c\/strong\u003e communication port on the CNC controller, enabling serial data exchange between the CNC and external devices (such as a PC, modem, or other serial equipment) for \u003cstrong data-start=\"763\" data-end=\"815\"\u003eprogram transfer, diagnostics, or DNC operations\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"857\" data-end=\"1062\"\u003e\n\u003cp data-start=\"859\" data-end=\"1062\"\u003e🧑💻 \u003cstrong data-start=\"865\" data-end=\"882\"\u003eDNC2 Support:\u003c\/strong\u003e Often labeled as \u003cstrong data-start=\"900\" data-end=\"915\"\u003eDNC2\/RS‑232\u003c\/strong\u003e, it supports FANUC’s DNC2 communication protocols commonly used for direct numerical control data transfers. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1064\" data-end=\"1084\"\u003e\u003cstrong data-start=\"1064\" data-end=\"1082\"\u003eWhere it fits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1085\" data-end=\"1478\"\u003e\n\u003cli data-start=\"1085\" data-end=\"1227\"\u003e\n\u003cp data-start=\"1087\" data-end=\"1227\"\u003e📌 This module is typically \u003cstrong data-start=\"1115\" data-end=\"1166\"\u003einstalled in a controller’s mini expansion slot\u003c\/strong\u003e or dedicated communication slot on the main PCB\/backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1228\" data-end=\"1478\"\u003e\n\u003cp data-start=\"1230\" data-end=\"1478\"\u003eIt is \u003cstrong data-start=\"1236\" data-end=\"1267\"\u003enot a standalone controller\u003c\/strong\u003e — it’s an add‑on board used to enhance communication options in systems like \u003cstrong data-start=\"1345\" data-end=\"1366\"\u003eFANUC 16i\/18i\/21i\u003c\/strong\u003e and other modular i‑Series controls which allow optional interface cards. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1480\" data-end=\"1504\"\u003e\u003cstrong data-start=\"1480\" data-end=\"1502\"\u003eTypical Use Cases:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1505\" data-end=\"1983\"\u003e\n\u003cli data-start=\"1505\" data-end=\"1654\"\u003e\n\u003cp data-start=\"1507\" data-end=\"1654\"\u003e🔁 \u003cstrong data-start=\"1510\" data-end=\"1538\"\u003eProgram Upload\/Download:\u003c\/strong\u003e Transfer CNC part programs, parameters, and configuration files between the machine and an external PC or server.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1655\" data-end=\"1795\"\u003e\n\u003cp data-start=\"1657\" data-end=\"1795\"\u003e📊 \u003cstrong data-start=\"1660\" data-end=\"1689\"\u003eDiagnostics \u0026amp; Monitoring:\u003c\/strong\u003e Serial communications for third‑party software, monitoring tools, or legacy equipment that uses RS‑232.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1796\" data-end=\"1983\"\u003e\n\u003cp data-start=\"1798\" data-end=\"1983\"\u003e📟 \u003cstrong data-start=\"1801\" data-end=\"1826\"\u003eIntegration with DNC:\u003c\/strong\u003e Connects to Distributed Numerical Control (DNC) systems where programs are fed from a central computer to the machine. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1985\" data-end=\"2010\"\u003e\u003cstrong data-start=\"1985\" data-end=\"2008\"\u003eInstallation Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2011\" data-end=\"2308\"\u003e\n\u003cli data-start=\"2011\" data-end=\"2194\"\u003e\n\u003cp data-start=\"2013\" data-end=\"2194\"\u003e🛠️ \u003cstrong data-start=\"2017\" data-end=\"2035\"\u003eCore Exchange:\u003c\/strong\u003e Typically supplied via core‑exchange from parts distributors (return old board in exchange for a refurbished\/new one). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2195\" data-end=\"2308\"\u003e\n\u003cp data-start=\"2197\" data-end=\"2308\"\u003e🧰 Repair options vary by vendor — some may not offer board‑level repair.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JJAutomation","offers":[{"title":"New","offer_id":44705514487944,"sku":"A20B-8100-0334","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":46109836869768,"sku":"A20B-8100-0334","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-2026-01-21T165032.861.jpg?v=1768994450","url":"https:\/\/jjautomation.in\/products\/fanuc-communication-board-for-0i-b-0i-mate-b-16i-18i-21i-a20b-8100-0334","provider":"JJAutomation","version":"1.0","type":"link"}