A wiring system for an automobile includes: a first connection device connected to a corresponding one of electrical components so as to communicate with and supply power to the corresponding electrical component; and a plurality of second connection devices each connected to a corresponding one of the electrical components so as to communicate with and supply power to the corresponding electrical component, wherein a bus communication line sequentially passes through the first connection device and the plurality of second connection devices, and is branched so as to communicate with the electrical components in the first connection device and the plurality of second connection devices, and a plurality of power sources mounted in the automobile are connected to the first connection device and integrated, and electric power supplied from the plurality of power sources is distributed from the first connection device to the plurality of second connection devices.

One embodiment includes a control device for field devices connected to the control device via a communications network, e.g. a field bus. The control device comprises a wireless service interface (e.g. Wi-Fi interface). The control device is designed to receive a service signal generated by a field device and to activate the wireless service interface in response. Another embodiment includes a method for transmitting data to a control device for controlling field devices connected to the control device via a communications network. A wireless service interface of the control device is activated via a service signal generated by a field device and sent to the control device. After the activation of the wireless service interface, data is transferred from a tool (e.g. engineering tool, commissioning tool) via the wireless service interface.

A user station for a serial bus system. The user station includes a communication control device for controlling a communication of the user station with at least one other user station, and a transceiver device to serially transmit a transmission signal, generated by the communication control device, onto a bus, and serially receive signals from the bus. The communication control device generates the transmission signal according to a frame and inserts into the frame two check sums that include different bits of the frame in the computation. The communication control device inserts dynamic stuff bits into the frame in such a way that an inverse stuff bit is inserted into the bit stream of the frame after 5 identical bits in succession. The communication control device computes the two check sums so that a maximum of one of the two check sums includes the dynamic stuff bits in the computation.

A transceiver for a CAN bus system and a method for detecting a short circuit using a CAN transceiver. The transceiver includes a transmitter for transmitting a transmission signal to a first bus wire of a bus of the bus system, exclusive, collision-free access to the bus of the bus system of a user station being at least temporarily ensured in the bus system, and for transmitting the transmission signal to a second bus wire of the bus, a receiver for receiving the bus signal transmitted on the bus wires, and a diagnostic unit for detecting a short circuit in the bus system, the diagnostic unit being designed to carry out a diagnosis only in a predetermined communication phase of the bus signal.

An energy storage system is provided in this application, which includes at least one energy storage container, and the energy storage container includes a battery management system and m battery clusters. Third controllers corresponding to n battery packs in each battery cluster determine a first third controller connected in series, and set a physical position of the first third controller to a first physical position. An i.sup.th third controller in the third controllers corresponding to then battery packs in each battery cluster determines a physical position of the i.sup.th third controller based on a position signal sent by an (i−1).sup.th third controller, where i=2, 3, . . . , or n. A first controller determines physical positions of remaining second controllers according to a rapid spanning tree protocol (RSTP) and a known physical position of a second controller.

A gateway device for a vehicle network system installed in a vehicle is provided. The vehicle network system includes a network, an electronic control unit connected to the network, and the gateway device connected to the first network and configured to communicate outside the vehicle. The gateway device receives a first frame from outside the vehicle; determines whether or not the first frame is appropriate; generates a second frame when the first frame is not determined to be appropriate; and transmits the second frame to the network. The second frame includes control information and additional information based on content of the first frame. The control information restricts processing of the additional information included in the second frame by the electronic control unit, after the second frame is received by the electronic control unit.

A transceiver for sending and receiving data from a controller area network (CAN) bus is disclosed. The transceiver includes a microcontroller port, a transmitter and a receiver. The transceiver is configured to receive a data frame from a microcontroller via the microcontroller port and to determine if the microcontroller is authorized to send the data frame or part of it based on a message identifier in the data frame and the outcome of the arbitration process. If the microcontroller is unauthorized to send the data, the transceiver is configured to invalidate the data frame and disconnect the microcontroller from the CAN bus for a predetermined period.

A transceiver has a first interface supplied by a first supply voltage to interface with external devices operating in a first supply domain and a second interface supplied by a second supply voltage and adapted to interface to an external communication bus operating in a second supply domain. The transceiver has a first internal communication link, which is adapted to transfer transmit data generated by an external device operating in the first supply domain, from the first interface to the second interface, and a second internal communication link, which is adapted to transfer transmit data be supplied from the external communication bus operating in the second supply domain from the second interface to the first interface.

A lighting system includes a plurality of nodes arranged in a serial network. The lighting system has a master node, one or more gateway nodes, a first communication bus connecting the one or more gateway nodes to the master node, a plurality of slave nodes such that each slave node is connected to a lighting source and is arranged for conveying data messages, and one or more second communication buses, each connecting one of the gateway nodes with one or more slave nodes of the plurality. The master node is arranged for conveying a unique network address to the one or more gateway nodes via the first communication bus, and the one or more gateway nodes are arranged for conveying a unique network address to the plurality of slave nodes via one of the second communication buses. At least one gateway node is arranged for storing a lighting plan for lighting one or more slave nodes connected to that gateway node.

A method can comprise determining, by a device comprising a processor, a transition between an arbitration phase of a Controller Area Network (CAN) XL node of a group of communicatively coupled CAN XL nodes of a CAN bus network and a data phase of the CAN XL node based on a voltage change of a voltage level of the CAN XL node being determined, by device, to satisfy a defined voltage change criterion of defined voltage criteria, wherein the data phase comprises both positive voltages and negative voltages, and in response to determining the transition, routing, by the device, dominant data or logic 0/1 data of the CAN XL nodes to other nodes of the group of CAN XL nodes.