Discover the short Productvideo showing the features, Characteristics and your benefit of Safety-M basic modules SMCx. Speed monitoring. The compact basic module of the Safety-M compact series is a complete speed monitoring device in the smallest space possible. The removable operating and diagnostic display (OLED) ensures easy parameterizing. The safe inputs and outputs and the integrated signal splitter allow the integration in existing safety circuits as well as the retrofitting of old machines.