Patent ID: 6700569
Filing Date: 2004-03-02
Classification: G05B

Abstract:
A programmable controller comprising:a processing unit; a screen including a menu-driven user interface; a control panel; at least one signal input; at least one signal output; and a housing, the processing unit, the screen, the control panel, the at least one signal input and the at least one signal output being disposed in the housing; wherein a switching function of the controller is arranged to switch the current flowing between the at least one signal input and the at least one signal output and is programmable using the menu-driven user interface, and wherein a status display of the screen is capable of being switched between an active display status in which signal states of at least one of the signal input, the signal output and a function block of the programmable controller are displayed on the screen, and an inactive display status in which no current display of signal states is presented on the screen.