{"product_id":"fanuc-a02b-0307-b500-31i-a-cnc-controller-basic-unit","title":"FANUC A02B-0307-B500 31i-A CNC Controller Basic Unit","description":"\u003ch2\u003e\u003cstrong\u003eFANUC \u003cstrong\u003eA02B-0307-B500\u003c\/strong\u003e Series 31i-A CNC Control Basic Unit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e FANUC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003eA02B-0307-B500\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e CNC Control Basic Unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FANUC Series 31i-A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e LCD-mounted type, no slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 24 VDC ±10%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Output:\u003c\/strong\u003e 33 W (7.2\" STN monochrome LCD-mounted type)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0 to 58 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage\/Transport Temperature:\u003c\/strong\u003e −20 to 60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 75%RH or less normal; up to 95%RH short periods (≤1 month), no condensation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Ports:\u003c\/strong\u003e JD36A (RS-232C), JD51A (I\/O Link), CD38A (Ethernet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocols:\u003c\/strong\u003e RS-232C, I\/O Link, Ethernet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Expansion:\u003c\/strong\u003e Via backplane I\/O modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Outline drawing per B-63943EN\/02 Appendix A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~2.2 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifecycle:\u003c\/strong\u003e Legacy generation, superseded by Series 30i\/31i\/32i-B\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Performance and Environmental Resilience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eA02B-0307-B500\u003c\/strong\u003e operates on a stable 24 VDC ±10% supply for predictable control performance.\u003c\/li\u003e\n\u003cli\u003eA 33 W heat output suits the 7.2\" STN monochrome LCD-mounted configuration in enclosed cabinets.\u003c\/li\u003e\n\u003cli\u003eThe control unit handles ambient temperatures from 0 to 58 °C during continuous operation.\u003c\/li\u003e\n\u003cli\u003eStorage and transport tolerate −20 to 60 °C without affecting internal electronics.\u003c\/li\u003e\n\u003cli\u003eNormal humidity stays at 75%RH or less, with short-term exposure up to 95%RH allowed.\u003c\/li\u003e\n\u003cli\u003eFANUC built the unit to resist electrical interference through shielded I\/O Link and Ethernet ports.\u003c\/li\u003e\n\u003cli\u003eNo-slot architecture keeps the footprint compact and reduces cabling complexity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cstrong\u003eA02B-0307-B500\u003c\/strong\u003e in a clean, vibration-controlled cabinet with adequate airflow.\u003c\/li\u003e\n\u003cli\u003eConnect the 24 VDC supply through a dedicated circuit rated for ±10% voltage tolerance.\u003c\/li\u003e\n\u003cli\u003eRoute the JD36A RS-232C cable away from high-current lines to reduce noise coupling.\u003c\/li\u003e\n\u003cli\u003eLink JD51A to the I\/O Link bus and verify termination before powering the system.\u003c\/li\u003e\n\u003cli\u003eAttach CD38A Ethernet to the factory network using shielded twisted-pair cabling.\u003c\/li\u003e\n\u003cli\u003eConfirm ambient temperature stays below 58 °C during a full load test run.\u003c\/li\u003e\n\u003cli\u003eCheck all connectors for secure seating before you energize the control unit.\u003c\/li\u003e\n\u003cli\u003eRecord the outline drawing dimensions from B-63943EN\/02 Appendix A for panel clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne FANUC \u003cstrong\u003eA02B-0307-B500\u003c\/strong\u003e Series 31i-A CNC control basic unit\u003c\/li\u003e\n\u003cli\u003eOne protective shipping carton with anti-static foam\u003c\/li\u003e\n\u003cli\u003eOne connector protection set for JD36A, JD51A, and CD38A\u003c\/li\u003e\n\u003cli\u003eOne quick reference label with port identification\u003c\/li\u003e\n\u003cli\u003eShipping via FedEx, UPS, or DHL according to your delivery preference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What supply voltage does the \u003cstrong\u003eA02B-0307-B500\u003c\/strong\u003e require?\u003c\/strong\u003e\u003cbr\u003eA: The unit runs on 24 VDC ±10% and needs a dedicated supply circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Which communication ports come built in?\u003c\/strong\u003e\u003cbr\u003eA: The unit provides JD36A RS-232C, JD51A I\/O Link, and CD38A Ethernet ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eA: The control unit operates from 0 to 58 °C in normal ambient conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How much heat does the unit produce?\u003c\/strong\u003e\u003cbr\u003eA: The 7.2\" STN monochrome LCD-mounted type generates 33 W of heat output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What does the no-slot design mean for installation?\u003c\/strong\u003e\u003cbr\u003eA: The basic unit uses the backplane for I\/O expansion instead of onboard slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the unit weight for cabinet planning?\u003c\/strong\u003e\u003cbr\u003eA: The control unit weighs approximately 2.2 kg without packing materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the product new and in stock?\u003c\/strong\u003e\u003cbr\u003eA: We supply brand-new original units, and we keep stock available for immediate order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How fast do you ship and which carriers do you use?\u003c\/strong\u003e\u003cbr\u003eA: We dispatch within 5 days using DHL, FedEx, or UPS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is your return policy?\u003c\/strong\u003e\u003cbr\u003eA: We support returns within 30 days of delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is this model still in active production?\u003c\/strong\u003e\u003cbr\u003eA: FANUC classifies the Series 31i-A generation as legacy and superseded by the B series.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FANUC","offers":[{"title":"Default Title","offer_id":48999667794081,"sku":"A02B-0307-B500","price":248.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/A02B-0307-B500-2.jpg?v=1794473093","url":"https:\/\/www.autonexcontrol.com\/products\/fanuc-a02b-0307-b500-31i-a-cnc-controller-basic-unit","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}