The purpose of Kubler electromechanical preset counters is to trigger a signal at a particular count value. In the simplest instance this can mean just shutting down a machine, however it could also be the initialisation of control functions (e.g. cutting material to length, transporting parts etc.). The outputs are suitable for switching large loads. The actual switching capacity depends on the model (counter) and can be seen in the data sheet. With most contacts a changeover function is available. The counter starts from the preset value or from a separate setpoint and counts down to zero, at which an output signal is triggered. The counter is then reset to the preset value. The value displayed corresponds to the difference between the preset value and the count value.