Method and system for transmission of signals to nodes in a system

To a node the signal, for of the control signal, request signal, a request signal method and system, and a node is fixed with a device for example and a control device, a measuring device and is arranged in the control unit and. And is capable control unit is fixed to the link at least node with a communication bus, at least a node comprising a radiofrequency receiving device; the number of the method comprises is a) by a signal from the controller, b) at least a receiving and signal comprising a radiofrequency receiving device, node c) detecting fault a target node is the signal of part, and d) is provided by the fixing the signal of signal or part via the communication bus a backlight node to the target node.