Vorrichtung und Verfahren zur Darstellung einer Oberfläche

摘要

The invention relates to a method by means of which a surface for controlling and regulating processes can be represented. An add-on part (2) is mechanically connected upstream of a standard screen (6) so that when the screen (6) and add-on part (2) cooperate a surface (1) is created which immediately indicates any changes in the circuit states of a control loop.