The Schneider Electric 1646-3 IO Interface Module, identified as Modicon Model 1646-3, is an interface device in Schneider Electric’s Modicon lineup. It operates at a baud rate of 4800, establishing the serial communication speed for connected devices. This module serves as the bridge between field I/O and the Modicon controller, enabling signal transfer within compatible automation systems that use the 1646-3 interface.
