{"product_id":"fanuc-lcd-unit-for-16i-18i-21i-a02b-0281-d504","title":"Fanuc LCD Unit for 16i\/ 18i\/ 21i A02B-0281-D504","description":"\u003cp data-start=\"0\" data-end=\"151\"\u003e\u003cstrong data-start=\"0\" data-end=\"18\"\u003eA02B-0281-D504\u003c\/strong\u003e is a \u003cstrong data-start=\"24\" data-end=\"69\"\u003eCNC control unit (main controller module)\u003c\/strong\u003e used in CNC machines with controllers from \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\u003chr data-start=\"153\" data-end=\"156\"\u003e\n\u003ch3 data-start=\"158\" data-end=\"182\"\u003e📌 Basic Information\u003c\/h3\u003e\n\u003cul data-start=\"183\" data-end=\"371\"\u003e\n\u003cli data-start=\"183\" data-end=\"222\"\u003e\n\u003cp data-start=\"185\" data-end=\"222\"\u003e\u003cstrong data-start=\"185\" data-end=\"201\"\u003ePart Number:\u003c\/strong\u003e \u003cstrong data-start=\"202\" data-end=\"220\"\u003eA02B-0281-D504\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"223\" data-end=\"275\"\u003e\n\u003cp data-start=\"225\" data-end=\"275\"\u003e\u003cstrong data-start=\"225\" data-end=\"234\"\u003eType:\u003c\/strong\u003e \u003cstrong data-start=\"235\" data-end=\"273\"\u003eCNC Main Control Unit \/ Controller\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"276\" data-end=\"324\"\u003e\n\u003cp data-start=\"278\" data-end=\"324\"\u003e\u003cstrong data-start=\"278\" data-end=\"300\"\u003eController Series:\u003c\/strong\u003e \u003cstrong data-start=\"301\" data-end=\"322\"\u003eFANUC Series 0i-D\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"325\" data-end=\"371\"\u003e\n\u003cp data-start=\"327\" data-end=\"371\"\u003e\u003cstrong data-start=\"327\" data-end=\"340\"\u003eCategory:\u003c\/strong\u003e CNC controller hardware module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"373\" data-end=\"376\"\u003e\n\u003ch3 data-start=\"378\" data-end=\"399\"\u003e⚙️ Main Functions\u003c\/h3\u003e\n\u003cp data-start=\"400\" data-end=\"489\"\u003eThe \u003cstrong data-start=\"404\" data-end=\"422\"\u003eA02B-0281-D504\u003c\/strong\u003e acts as the \u003cstrong data-start=\"435\" data-end=\"475\"\u003ecentral processor of the CNC machine\u003c\/strong\u003e and performs:\u003c\/p\u003e\n\u003cul data-start=\"491\" data-end=\"840\"\u003e\n\u003cli data-start=\"491\" data-end=\"539\"\u003e\n\u003cp data-start=\"493\" data-end=\"539\"\u003e\u003cstrong data-start=\"493\" data-end=\"539\"\u003eExecution of NC programs (G-code \/ M-code)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"540\" data-end=\"583\"\u003e\n\u003cp data-start=\"542\" data-end=\"583\"\u003e\u003cstrong data-start=\"542\" data-end=\"583\"\u003eAxis motion and interpolation control\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"584\" data-end=\"644\"\u003e\n\u003cp data-start=\"586\" data-end=\"644\"\u003eCommunication with \u003cstrong data-start=\"605\" data-end=\"644\"\u003eservo amplifiers and spindle drives\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"645\" data-end=\"706\"\u003e\n\u003cp data-start=\"647\" data-end=\"706\"\u003eRunning \u003cstrong data-start=\"655\" data-end=\"706\"\u003ePMC (Programmable Machine Control) ladder logic\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"707\" data-end=\"741\"\u003e\n\u003cp data-start=\"709\" data-end=\"741\"\u003eManaging \u003cstrong data-start=\"718\" data-end=\"741\"\u003emachine I\/O signals\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"742\" data-end=\"786\"\u003e\n\u003cp data-start=\"744\" data-end=\"786\"\u003eHandling \u003cstrong data-start=\"753\" data-end=\"786\"\u003esystem alarms and diagnostics\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"787\" data-end=\"840\"\u003e\n\u003cp data-start=\"789\" data-end=\"840\"\u003eInterfacing with the \u003cstrong data-start=\"810\" data-end=\"840\"\u003eoperator panel and display\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"842\" data-end=\"845\"\u003e\n\u003ch3 data-start=\"847\" data-end=\"880\"\u003e🔌 Typical System Connections\u003c\/h3\u003e\n\u003cp data-start=\"881\" data-end=\"916\"\u003eThis controller usually works with:\u003c\/p\u003e\n\u003cul data-start=\"918\" data-end=\"1078\"\u003e\n\u003cli data-start=\"918\" data-end=\"947\"\u003e\n\u003cp data-start=\"920\" data-end=\"947\"\u003e\u003cstrong data-start=\"920\" data-end=\"947\"\u003eServo amplifier modules\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"948\" data-end=\"971\"\u003e\n\u003cp data-start=\"950\" data-end=\"971\"\u003e\u003cstrong data-start=\"950\" data-end=\"971\"\u003eSpindle amplifier\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"972\" data-end=\"998\"\u003e\n\u003cp data-start=\"974\" data-end=\"998\"\u003e\u003cstrong data-start=\"974\" data-end=\"998\"\u003eI\/O interface boards\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"999\" data-end=\"1033\"\u003e\n\u003cp data-start=\"1001\" data-end=\"1033\"\u003e\u003cstrong data-start=\"1001\" data-end=\"1033\"\u003eOperator panel \/ LCD display\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1034\" data-end=\"1078\"\u003e\n\u003cp data-start=\"1036\" data-end=\"1078\"\u003e\u003cstrong data-start=\"1036\" data-end=\"1078\"\u003eCNC system software and memory modules\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1080\" data-end=\"1083\"\u003e\n\u003ch3 data-start=\"1085\" data-end=\"1109\"\u003e🔎 Meaning of “D504”\u003c\/h3\u003e\n\u003cp data-start=\"1110\" data-end=\"1171\"\u003eWithin the \u003cstrong data-start=\"1121\" data-end=\"1152\"\u003eA02B-0281 controller family\u003c\/strong\u003e, versions such as:\u003c\/p\u003e\n\u003cul data-start=\"1173\" data-end=\"1216\"\u003e\n\u003cli data-start=\"1173\" data-end=\"1183\"\u003e\n\u003cp data-start=\"1175\" data-end=\"1183\"\u003e\u003cstrong data-start=\"1175\" data-end=\"1183\"\u003eD500\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1184\" data-end=\"1194\"\u003e\n\u003cp data-start=\"1186\" data-end=\"1194\"\u003e\u003cstrong data-start=\"1186\" data-end=\"1194\"\u003eD502\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1195\" data-end=\"1205\"\u003e\n\u003cp data-start=\"1197\" data-end=\"1205\"\u003e\u003cstrong data-start=\"1197\" data-end=\"1205\"\u003eD503\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1206\" data-end=\"1216\"\u003e\n\u003cp data-start=\"1208\" data-end=\"1216\"\u003e\u003cstrong data-start=\"1208\" data-end=\"1216\"\u003eD504\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1218\" data-end=\"1444\"\u003erepresent \u003cstrong data-start=\"1228\" data-end=\"1285\"\u003edifferent hardware revisions or option configurations\u003c\/strong\u003e of the same controller platform.\u003cbr data-start=\"1318\" data-end=\"1321\"\u003eDifferences may include \u003cstrong data-start=\"1345\" data-end=\"1443\"\u003ememory size, installed CNC options, communication interfaces, or machine-builder customization\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1446\" data-end=\"1449\"\u003e\n\u003cp data-start=\"1451\" data-end=\"1622\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e✅ \u003cstrong data-start=\"1453\" data-end=\"1476\"\u003eSimple explanation:\u003c\/strong\u003e\u003cbr data-start=\"1476\" data-end=\"1479\"\u003e\u003cstrong data-start=\"1479\" data-end=\"1619\"\u003eA02B-0281-D504 = FANUC 0i-D CNC main control unit used to execute machining programs and control machine axes, spindle, and I\/O systems.\u003c\/strong\u003e 🔧\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"New","offer_id":44868634476680,"sku":"A02B-0281-D504","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":46109851058312,"sku":"A02B-0281-D504","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-2026-03-05T174151.814.jpg?v=1772712720","url":"https:\/\/jjautomation.in\/products\/fanuc-lcd-unit-for-16i-18i-21i-a02b-0281-d504","provider":"JJAutomation","version":"1.0","type":"link"}