The controller KLS7218S supplies 12V for the break and the ECO-switch and as well for the programming-interface. As these 12V are not supplied by the controller, I did add an external 12V supply. This works for the break-switch and as well for the ECO-switch. I did add even these 12V to the USB-power but programming the controller is no more possible. The computer recognizes the USB-key on plugging the key in, but the software does not work, the error is “Controller no Power”.