Giddings & Lewis CNC Control Module 503-26116-20

Giddings & Lewis Executive Control 486 CNC control module, assembly number 503-26116-20, PCB marked "GIDDINGS & 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 & 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.

The 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 & Lewis control cabinets. All manufacturer identification, assembly numbers, and revision data are taken directly from visible board silkscreen and labels.

This module is suitable for buyers sourcing a direct replacement or spare for Giddings & 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.

Stock # 0226-278