{"product_id":"fanuc-operator-panel-io-board-a20b-2002-052004a-0226-713","title":"Fanuc Operator Panel I\/O Board A20B-2002-0520\/04A","description":"\u003cp\u003eUsed in Fanuc i-series CNC systems including the 0i, 15i, 16i, 18i, 20i, and 21i, the A20B-2002-0520 is a 48\/32-way operator panel I\/O PCB that provides input and output interfacing between the machine operator panel and the CNC controller. The revision level on this unit is \/04A, as stamped on the board edge silkscreen. The board designation ME-1 is visible on the PCB silkscreen. This version of the board includes the MPG (manual pulse generator) connector, distinguishing it from the A20B-2002-0521 variant which omits that feature. The MPG interface allows connection of a hand-wheel pulse generator for manual axis positioning. Connectors labeled RCM1 through RCM12 are visible along the left side of the board, providing the I\/O connection points to the operator panel wiring. A Fanuc-branded sub-module is present in the lower right section of the board. The unit carries the CE mark and was manufactured in Japan, as indicated by the PCB silkscreen text. Part number A20B-2002-0520 is the OEM Fanuc designation used consistently across active industrial surplus and CNC spare parts markets in the US.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0226-713\u003c\/p\u003e","brand":"Fanuc","offers":[{"title":"Default Title","offer_id":48916618412272,"sku":"m00713","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/96F6AA15-4DBB-46B3-B818-9A5CD380815C.jpg?v=1772115485","url":"https:\/\/mroexchange.com\/products\/fanuc-operator-panel-io-board-a20b-2002-052004a-0226-713","provider":"MRO Exchange","version":"1.0","type":"link"}