Beckhoff M6321-000 is a 16-key keypad push-button station with a built-in panel and Lightbus interface, designed for integration into Beckhoff I/O networks. As a member of Beckhoff's Lightbus keypad family, it provides a compact, panel-mounted input device whose button signals are transmitted over the Lightbus fieldbus to the controller. The M6321-000 variant is specifically the 16-key configuration, emphasizing direct operator input in automated environments. In Beckhoff literature, Lightbus is described as a fast fieldbus for machine communication, underscoring the suitability of this keypad for responsive control in production lines and other industrial installations.
