{"product_id":"fanuc-basic-unit-for-16i-a02b-0281-b503","title":"Fanuc Basic Unit for 16i A02B-0281-B503","description":"\u003cp data-start=\"0\" data-end=\"132\"\u003e\u003cstrong data-start=\"0\" data-end=\"18\"\u003eA02B-0281-B503\u003c\/strong\u003e is a \u003cstrong data-start=\"24\" data-end=\"57\"\u003eCNC main control board module\u003c\/strong\u003e used in CNC controllers produced 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=\"134\" data-end=\"158\"\u003e📌 Basic Information\u003c\/h3\u003e\n\u003cul data-start=\"159\" data-end=\"341\"\u003e\n\u003cli data-start=\"159\" data-end=\"194\"\u003e\n\u003cp data-start=\"161\" data-end=\"194\"\u003e\u003cstrong data-start=\"161\" data-end=\"177\"\u003ePart Number:\u003c\/strong\u003e A02B-0281-B503\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"195\" data-end=\"241\"\u003e\n\u003cp data-start=\"197\" data-end=\"241\"\u003e\u003cstrong data-start=\"197\" data-end=\"206\"\u003eType:\u003c\/strong\u003e \u003cstrong data-start=\"207\" data-end=\"239\"\u003eCNC CPU \/ Main control board\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"242\" data-end=\"289\"\u003e\n\u003cp data-start=\"244\" data-end=\"289\"\u003e\u003cstrong data-start=\"244\" data-end=\"255\"\u003eSeries:\u003c\/strong\u003e FANUC \u003cstrong data-start=\"262\" data-end=\"287\"\u003e0i CNC control system\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"290\" data-end=\"341\"\u003e\n\u003cp data-start=\"292\" data-end=\"341\"\u003e\u003cstrong data-start=\"292\" data-end=\"305\"\u003eCategory:\u003c\/strong\u003e \u003cstrong data-start=\"306\" data-end=\"341\"\u003eMain controller hardware module\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"343\" data-end=\"363\"\u003e⚙️ Main Function\u003c\/h3\u003e\n\u003cp data-start=\"364\" data-end=\"448\"\u003eThis board is the \u003cstrong data-start=\"382\" data-end=\"406\"\u003ecore processing unit\u003c\/strong\u003e of the CNC system and is responsible for:\u003c\/p\u003e\n\u003cul data-start=\"450\" data-end=\"772\"\u003e\n\u003cli data-start=\"450\" data-end=\"496\"\u003e\n\u003cp data-start=\"452\" data-end=\"496\"\u003eExecuting \u003cstrong data-start=\"462\" data-end=\"496\"\u003eNC machining programs (G-code)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"497\" data-end=\"551\"\u003e\n\u003cp data-start=\"499\" data-end=\"551\"\u003ePerforming \u003cstrong data-start=\"510\" data-end=\"551\"\u003eaxis interpolation and motion control\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"552\" data-end=\"612\"\u003e\n\u003cp data-start=\"554\" data-end=\"612\"\u003eCommunicating with \u003cstrong data-start=\"573\" data-end=\"612\"\u003eservo amplifiers and spindle drives\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"613\" data-end=\"674\"\u003e\n\u003cp data-start=\"615\" data-end=\"674\"\u003eRunning \u003cstrong data-start=\"623\" data-end=\"674\"\u003ePMC (Programmable Machine Control) ladder logic\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"675\" data-end=\"720\"\u003e\n\u003cp data-start=\"677\" data-end=\"720\"\u003eManaging \u003cstrong data-start=\"686\" data-end=\"720\"\u003emachine I\/O signals and alarms\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"721\" data-end=\"772\"\u003e\n\u003cp data-start=\"723\" data-end=\"772\"\u003eHandling \u003cstrong data-start=\"732\" data-end=\"772\"\u003esystem communication and diagnostics\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"774\" data-end=\"799\"\u003e🧩 System Integration\u003c\/h3\u003e\n\u003cp data-start=\"800\" data-end=\"879\"\u003eThe \u003cstrong data-start=\"804\" data-end=\"822\"\u003eA02B-0281-B503\u003c\/strong\u003e module works together with other CNC components such as:\u003c\/p\u003e\n\u003cul data-start=\"881\" data-end=\"1037\"\u003e\n\u003cli data-start=\"881\" data-end=\"907\"\u003e\n\u003cp data-start=\"883\" data-end=\"907\"\u003e\u003cstrong data-start=\"883\" data-end=\"907\"\u003ePower supply modules\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"948\"\u003e\n\u003cp data-start=\"910\" data-end=\"948\"\u003e\u003cstrong data-start=\"910\" data-end=\"948\"\u003eServo and spindle interface boards\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"949\" data-end=\"966\"\u003e\n\u003cp data-start=\"951\" data-end=\"966\"\u003e\u003cstrong data-start=\"951\" data-end=\"966\"\u003eI\/O modules\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"967\" data-end=\"1037\"\u003e\n\u003cp data-start=\"969\" data-end=\"1037\"\u003e\u003cstrong data-start=\"969\" data-end=\"997\"\u003eSystem software packages\u003c\/strong\u003e (for example \u003cstrong data-start=\"1011\" data-end=\"1036\"\u003eA87L-0001-0173 series\u003c\/strong\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1039\" data-end=\"1066\"\u003e🔧 Typical Applications\u003c\/h3\u003e\n\u003cp data-start=\"1067\" data-end=\"1106\"\u003eThis module is typically replaced when:\u003c\/p\u003e\n\u003cul data-start=\"1108\" data-end=\"1238\"\u003e\n\u003cli data-start=\"1108\" data-end=\"1137\"\u003e\n\u003cp data-start=\"1110\" data-end=\"1137\"\u003eThe \u003cstrong data-start=\"1114\" data-end=\"1137\"\u003eCNC CPU board fails\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1138\" data-end=\"1191\"\u003e\n\u003cp data-start=\"1140\" data-end=\"1191\"\u003eThe control unit requires \u003cstrong data-start=\"1166\" data-end=\"1191\"\u003erepair or replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1192\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1194\" data-end=\"1238\"\u003eA \u003cstrong data-start=\"1196\" data-end=\"1225\"\u003ehardware revision upgrade\u003c\/strong\u003e is performed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1240\" data-end=\"1254\"\u003e🧠 Summary\u003c\/h3\u003e\n\u003cp data-start=\"1255\" data-end=\"1374\"\u003e👉 \u003cstrong data-start=\"1258\" data-end=\"1374\"\u003eA02B-0281-B503 = FANUC 0i-series CNC main CPU control board used to process programs and control machine motion.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1376\" data-end=\"1511\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e✅ In many machines, \u003cstrong data-start=\"1396\" data-end=\"1418\"\u003eB500 \/ B502 \/ B503\u003c\/strong\u003e are \u003cstrong data-start=\"1423\" data-end=\"1474\"\u003edifferent hardware revisions or option versions\u003c\/strong\u003e of the same FANUC CNC control board.\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"New","offer_id":44866052751496,"sku":"A02B-0281-B503","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":46109850468488,"sku":"A02B-0281-B503","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-2026-03-05T180828.649.jpg?v=1772714315","url":"https:\/\/jjautomation.in\/products\/fanuc-basic-unit-for-16i-a02b-0281-b503","provider":"JJAutomation","version":"1.0","type":"link"}