The Giddings & Lewis 503-25909-01 Digital Input Module is a 4-channel input device (4 CH I) that interfaces digital signals with a control system. It is identified by part number 503-25909-01 and also cataloged as M.1017.3098, reflecting its place in the Giddings & Lewis, Kollmorgen, Danaher lineage. As a Digital Input Module, it provides input channels for external binary signals to be read by compatible controllers.
