{"product_id":"giddings-and-lewis-electronics-io-pcb-board-assembly-501-03855-00-0226-505","title":"Giddings and Lewis Electronics I\/O PCB Board Assembly 501-03855-00 m00505","description":"\u003cp\u003eThis listing is for a Giddings and Lewis Electronics Digital I\/O PCB Board assembly, part number 501-03855-00, with secondary reference number 502-03064-10 visible on an affixed label. The board is date coded 7\/83 RB. The assembly consists of two mirrored Digital I\/O sections, each with labeled INPUT and OUTPUT edge connectors, 16 screw terminal input positions per section numbered 1 through 28 visible in photos, individual fuse positions labeled FU1-0 through FU1-13 per section, and individual LED indicator positions labeled LED1-0 through LED1-13 per section. The Giddings and Lewis Electronics logo is visible on each board section.\u003c\/p\u003e\n\n\u003cp\u003eThis Digital I\/O board is consistent with components used in Giddings and Lewis CNC control systems commonly found in machining centers and other industrial machine tool applications from the 1980s. It represents a dual-section I\/O interface assembly providing fused discrete input and output channels with individual LED status indication per channel. The board shows surface wear and some LED indicators appear illuminated or marked, consistent with prior industrial installation and use.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0226-505\u003c\/p\u003e","brand":"Giddings and Lewis Electronics","offers":[{"title":"Default Title","offer_id":48856359239920,"sku":"m00505","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/513827A9-9C9F-4F19-9BF3-035B323F2846.jpg?v=1771620001","url":"https:\/\/mroexchange.com\/products\/giddings-and-lewis-electronics-io-pcb-board-assembly-501-03855-00-0226-505","provider":"MRO Exchange","version":"1.0","type":"link"}