{"product_id":"fanuc-lcd-unit-for-16i-18i-21i-a02b-0281-d502","title":"Fanuc LCD Unit for 16i\/ 18i\/ 21i A02B-0281-D502","description":"\u003cp data-start=\"0\" data-end=\"115\"\u003e\u003cstrong data-start=\"0\" data-end=\"18\"\u003eA02B-0281-D502\u003c\/strong\u003e is a \u003cstrong data-start=\"24\" data-end=\"51\"\u003eCNC control unit module\u003c\/strong\u003e used in 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=\"117\" data-end=\"120\"\u003e\n\u003ch3 data-start=\"122\" data-end=\"146\"\u003e📌 Basic Information\u003c\/h3\u003e\n\u003cul data-start=\"147\" data-end=\"348\"\u003e\n\u003cli data-start=\"147\" data-end=\"182\"\u003e\n\u003cp data-start=\"149\" data-end=\"182\"\u003e\u003cstrong data-start=\"149\" data-end=\"165\"\u003ePart Number:\u003c\/strong\u003e A02B-0281-D502\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"183\" data-end=\"235\"\u003e\n\u003cp data-start=\"185\" data-end=\"235\"\u003e\u003cstrong data-start=\"185\" data-end=\"194\"\u003eType:\u003c\/strong\u003e \u003cstrong data-start=\"195\" data-end=\"233\"\u003eCNC Control Unit \/ Main Controller\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"236\" data-end=\"301\"\u003e\n\u003cp data-start=\"238\" data-end=\"301\"\u003e\u003cstrong data-start=\"238\" data-end=\"249\"\u003eSeries:\u003c\/strong\u003e FANUC \u003cstrong data-start=\"256\" data-end=\"299\"\u003e0i-C \/ 0i-D generation control platform\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"302\" data-end=\"348\"\u003e\n\u003cp data-start=\"304\" data-end=\"348\"\u003e\u003cstrong data-start=\"304\" data-end=\"317\"\u003eCategory:\u003c\/strong\u003e CNC controller hardware module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"350\" data-end=\"353\"\u003e\n\u003ch3 data-start=\"355\" data-end=\"376\"\u003e⚙️ Main Functions\u003c\/h3\u003e\n\u003cp data-start=\"377\" data-end=\"472\"\u003eThe \u003cstrong data-start=\"381\" data-end=\"399\"\u003eA02B-0281-D502\u003c\/strong\u003e acts as the \u003cstrong data-start=\"412\" data-end=\"458\"\u003ecentral processing unit of the CNC machine\u003c\/strong\u003e and performs:\u003c\/p\u003e\n\u003cul data-start=\"474\" data-end=\"849\"\u003e\n\u003cli data-start=\"474\" data-end=\"532\"\u003e\n\u003cp data-start=\"476\" data-end=\"532\"\u003eExecution of \u003cstrong data-start=\"489\" data-end=\"532\"\u003eNC machining programs (G-code \/ M-code)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"533\" data-end=\"576\"\u003e\n\u003cp data-start=\"535\" data-end=\"576\"\u003e\u003cstrong data-start=\"535\" data-end=\"576\"\u003eAxis motion control and interpolation\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"577\" data-end=\"637\"\u003e\n\u003cp data-start=\"579\" data-end=\"637\"\u003eCommunication with \u003cstrong data-start=\"598\" data-end=\"637\"\u003eservo amplifiers and spindle drives\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"638\" data-end=\"699\"\u003e\n\u003cp data-start=\"640\" data-end=\"699\"\u003eRunning \u003cstrong data-start=\"648\" data-end=\"699\"\u003ePMC (Programmable Machine Control) ladder logic\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"700\" data-end=\"734\"\u003e\n\u003cp data-start=\"702\" data-end=\"734\"\u003eManaging \u003cstrong data-start=\"711\" data-end=\"734\"\u003emachine I\/O signals\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"735\" data-end=\"795\"\u003e\n\u003cp data-start=\"737\" data-end=\"795\"\u003eHandling \u003cstrong data-start=\"746\" data-end=\"795\"\u003esystem alarms, diagnostics, and communication\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"796\" data-end=\"849\"\u003e\n\u003cp data-start=\"798\" data-end=\"849\"\u003eInterfacing with the \u003cstrong data-start=\"819\" data-end=\"849\"\u003eoperator panel and display\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"851\" data-end=\"854\"\u003e\n\u003ch3 data-start=\"856\" data-end=\"889\"\u003e🔌 Typical System Connections\u003c\/h3\u003e\n\u003cp data-start=\"890\" data-end=\"933\"\u003eThis control unit normally interfaces with:\u003c\/p\u003e\n\u003cul data-start=\"935\" data-end=\"1088\"\u003e\n\u003cli data-start=\"935\" data-end=\"964\"\u003e\n\u003cp data-start=\"937\" data-end=\"964\"\u003e\u003cstrong data-start=\"937\" data-end=\"964\"\u003eServo amplifier modules\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"965\" data-end=\"988\"\u003e\n\u003cp data-start=\"967\" data-end=\"988\"\u003e\u003cstrong data-start=\"967\" data-end=\"988\"\u003eSpindle amplifier\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"989\" data-end=\"1015\"\u003e\n\u003cp data-start=\"991\" data-end=\"1015\"\u003e\u003cstrong data-start=\"991\" data-end=\"1015\"\u003eI\/O interface boards\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1016\" data-end=\"1050\"\u003e\n\u003cp data-start=\"1018\" data-end=\"1050\"\u003e\u003cstrong data-start=\"1018\" data-end=\"1050\"\u003eOperator panel \/ LCD display\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1051\" data-end=\"1088\"\u003e\n\u003cp data-start=\"1053\" data-end=\"1088\"\u003e\u003cstrong data-start=\"1053\" data-end=\"1088\"\u003eCNC software and memory modules\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1090\" data-end=\"1093\"\u003e\n\u003ch3 data-start=\"1095\" data-end=\"1119\"\u003e🔎 Meaning of “D502”\u003c\/h3\u003e\n\u003cp data-start=\"1120\" data-end=\"1148\"\u003eIn the \u003cstrong data-start=\"1127\" data-end=\"1147\"\u003eA02B-0281 series\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1150\" data-end=\"1329\"\u003e\n\u003cli data-start=\"1150\" data-end=\"1246\"\u003e\n\u003cp data-start=\"1152\" data-end=\"1246\"\u003eThe \u003cstrong data-start=\"1156\" data-end=\"1170\"\u003eletter (D)\u003c\/strong\u003e usually indicates a \u003cstrong data-start=\"1191\" data-end=\"1245\"\u003especific control configuration or hardware version\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1247\" data-end=\"1329\"\u003e\n\u003cp data-start=\"1249\" data-end=\"1329\"\u003e\u003cstrong data-start=\"1249\" data-end=\"1256\"\u003e502\u003c\/strong\u003e identifies the \u003cstrong data-start=\"1272\" data-end=\"1308\"\u003eoption configuration or revision\u003c\/strong\u003e within that version.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1331\" data-end=\"1405\"\u003eDifferent variants (for example \u003cstrong data-start=\"1363\" data-end=\"1389\"\u003eB500, B502, D500, D502\u003c\/strong\u003e) may differ in:\u003c\/p\u003e\n\u003cul data-start=\"1406\" data-end=\"1510\"\u003e\n\u003cli data-start=\"1406\" data-end=\"1427\"\u003e\n\u003cp data-start=\"1408\" data-end=\"1427\"\u003eHardware revision\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1428\" data-end=\"1453\"\u003e\n\u003cp data-start=\"1430\" data-end=\"1453\"\u003eAvailable CNC options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1454\" data-end=\"1478\"\u003e\n\u003cp data-start=\"1456\" data-end=\"1478\"\u003eMemory configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1479\" data-end=\"1510\"\u003e\n\u003cp data-start=\"1481\" data-end=\"1510\"\u003eMachine-builder customization\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1512\" data-end=\"1515\"\u003e\n\u003cp data-start=\"1517\" data-end=\"1689\"\u003e✅ \u003cstrong data-start=\"1519\" data-end=\"1542\"\u003eSimple explanation:\u003c\/strong\u003e\u003cbr data-start=\"1542\" data-end=\"1545\"\u003e\u003cstrong data-start=\"1545\" data-end=\"1689\"\u003eA02B-0281-D502 = FANUC 0i-series CNC main controller unit used to run machining programs and control machine axes, spindle, and I\/O systems.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"New","offer_id":44868562976904,"sku":"A02B-0281-D502","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":46109850992776,"sku":"A02B-0281-D502","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-d502","provider":"JJAutomation","version":"1.0","type":"link"}