{"product_id":"giddings-lewis-cnc-control-module-503-26116-20","title":"Giddings \u0026 Lewis CNC Control Module 503-26116-20","description":"\u003cp\u003eGiddings \u0026amp; Lewis Executive Control 486 CNC control module, assembly number 503-26116-20, PCB marked “GIDDINGS \u0026amp; LEWIS EXECUTIVE CNTRL 486 REV – R4 9\/94.” This board is identified as Revision R4 dated September 1994 and is designed for use within Giddings \u0026amp; Lewis Executive 486 control systems. The assembly features multiple DIP integrated circuits, socketed memory ICs, expansion slots, ribbon cable headers, card edge connectors, and an onboard heat sink. A secondary label visible on packaging references number 503-19931-16.\u003c\/p\u003e\n\n\u003cp\u003eThe PCB layout includes numerous labeled components, integrated logic devices, and processor-related chips consistent with CNC control architecture of the Executive 486 platform. Edge connectors are configured for rack or backplane installation within compatible Giddings \u0026amp; Lewis control cabinets. All manufacturer identification, assembly numbers, and revision data are taken directly from visible board silkscreen and labels.\u003c\/p\u003e\n\n\u003cp\u003eThis module is suitable for buyers sourcing a direct replacement or spare for Giddings \u0026amp; Lewis Executive 486 CNC systems requiring assembly 503-26116-20, Revision R4. Identification should be verified against the existing control system to confirm compatibility prior to installation.\u003c\/p\u003e\n\n\u003cp\u003eStock # 0226-278\u003c\/p\u003e","brand":"Giddings \u0026 Lewis","offers":[{"title":"Default Title","offer_id":49494488416496,"sku":"m00278","price":2500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/Item278.webp?v=1775153563","url":"https:\/\/mroexchange.com\/products\/giddings-lewis-cnc-control-module-503-26116-20","provider":"MRO Exchange","version":"1.0","type":"link"}