| 摘要 |
A plug coupling system includes a first coupling member connected with a transmitter-side end of the bus connection cable and having at least two contact elements, which are galvanically connected each with a respective conductor wire of a bus connection cable, a second coupling member connected with a transmitter-side end of a device connection cable and having at least two contact elements, which are galvanically connected each with a respective conductor wire of the device connection cable, and arranged on the transmitter side, a third coupling member having at least three contact elements, which are connected with a transmitter. The third coupling member is suited for selective, mechanically disengageable connection with one or the other coupling member such that each of the, in each case, at least two contact elements of the connected coupling member always contacts one of the at least three contact elements of the third coupling member, and that the at least two conductor wires of the connection cable connected at the moment are each electrically connected with a respective contact element of the transmitter-side coupling member. The contact elements are so designed and so arranged in their associated coupling members, that the contact element of the transmitter-side coupling member is not galvanically connectable with any of the conductor wires of the bus connection cable, but is galvanically connectable with at least one of the conductor wires of the device connection cable.
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