Abstract: A method for producing, especially configuring, a system is provided, including a contact wire and an apparatus, and device for carrying out the method. The apparatus is able to be supplied with energy with the aid of the contact wire, and information is transmittable from and/or receivable by the apparatus via the contact wire. The contact wire has at least a first, second, fourth and fifth contact conductor that are connected to one respective connector element of the apparatus. The first and second contact conductors have one respective phase of the AC voltage supplying the apparatus. The fourth contact conductor is provided for transmitting information and the fifth contact conductor is provided for receiving information. One of the phases, thus especially the phase acting as signaling phase, is connected electrically to a first connector element, in particular, the first connector element is provided with a corresponding marking or identification when producing the apparatus.

Abstract: An electrical device, which is assembled from modules or includes assembled modules, the modules each including an electronic circuit mounted on a respective heat sink, the modules being configured as nodes of a system bus that also leads to an electronic circuit designed as a node of the system bus, the electronic circuit being configured in a lower part that is configured in a recess of the housing of the electrical device; an upper part being detachably connectable to the lower part; a memory element being configured in the upper part; and data lines for reading out the memory element via the electronic circuit being routed via a plug connection to the electronic circuit.

Abstract: A method for producing, especially configuring, a system is provided, including a contact wire and an apparatus, and device for carrying out the method. The apparatus is able to be supplied with energy with the aid of the contact wire, and information is transmittable from and/or receivable by the apparatus via the contact wire. The contact wire has at least a first, second, fourth and fifth contact conductor that are connected to one respective connector element of the apparatus. The first and second contact conductors have one respective phase of the AC voltage supplying the apparatus. The fourth contact conductor is provided for transmitting information and the fifth contact conductor is provided for receiving information. One of the phases, thus especially the phase acting as signaling phase, is connected electrically to a first connector element, in particular, the first connector element is provided with a corresponding marking or identification when producing the apparatus.