Device and method for transferring data via nodes of a network

A device for the transmission of data over nodes of a specific network of an aircraft, comprising:

• a number of network nodes;
• a bus having a transmitting line and a receiving line which interconnect the network nodes in a chain arrangement;
• and
• a bus control device which is configured to control a transmission of data, defined according to the specific network, as data voltage signals over the transmitting line and over the receiving line;
• each network node comprising a fault protection circuit for bypassing the network node in the chain arrangement in the event of a fault,
• wherein the fault protection circuit is capable of cross-connecting the transmitting line and the receiving line, and in that each network node further comprises:
• a detection component for detecting a cross-connection of the transmitting line and of the receiving line by a network node upstream of the network node in the chain arrangement, and
• a fault-locating component for locating a fault in the network node upstream of the network node in the chain arrangement, when cross-connection of the transmitting line and of the receiving line has been detected;
• wherein each of the network nodes has a switch arrangement for transmitting received data to the network node which is downstream in the chain arrangement, the fault protection circuit being configured to bypass the switch arrangement in the event of a fault;
• and
• wherein the switch arrangement integrates the detection component, the detection component comprising an auto MDI-X algorithm for detecting a cross-connection of the transmitting line and of the receiving line.

A device for the transmission of data over nodes of a specific network of an aircraft, comprising:

• a number of network nodes;
• a bus having a transmitting line and a receiving line which interconnect the network nodes in a chain arrangement;
• and
• a bus control device which is configured to control a transmission of data, defined according to the specific network, as data voltage signals over the transmitting line and over the receiving line;
• each network node comprising a fault protection circuit for bypassing the network node in the chain arrangement in the event of a fault,
• wherein the fault protection circuit is capable of cross-connecting the transmitting line and the receiving line, and in that each network node further comprises:
• a detection component for detecting a cross-connection of the transmitting line and of the receiving line by a network node upstream of the network node in the chain arrangement, and
• a fault-locating component for locating a fault in the network node upstream of the network node in the chain arrangement, when cross-connection of the transmitting line and of the receiving line has been detected;
• wherein at least one recognition component for recognising the topology of the network is provided in the bus control device or in at least one of the network nodes;
• and
• wherein the recognition component is configured to count the number of network nodes which are actually addressed and to compare this number with a desired value in a maintenance mode for addressing the network nodes by the bus control device.

A device for the transmission of data over nodes of a specific network of an aircraft, comprising:

• a number of network nodes;
• a bus having a transmitting line and a receiving line which interconnect the network nodes in a chain arrangement;
• and
• a bus control device which is configured to control a transmission of data, defined according to the specific network, as data voltage signals over the transmitting line and over the receiving line;
• each network node comprising a fault protection circuit for bypassing the network node in the chain arrangement in the event of a fault,
• wherein the fault protection circuit is capable of cross-connecting the transmitting line and the receiving line, and in that each network node further comprises:
• a detection component for detecting a cross-connection of the transmitting line and of the receiving line by a network node upstream of the network node in the chain arrangement, and
• a fault-locating component for locating a fault in the network node upstream of the network node in the chain arrangement, when cross-connection of the transmitting line and of the receiving line has been detected;
• wherein the bus control device is configured to control a transmission of first frames, defined according to the specific network, with safety-relevant data and second frames with non-safety-relevant audio data in a predetermined sequence as the data voltage signals via the bus, to adjust a respective time interval of two first frames, each transmitted over the transmitting line, and of two first frames each transmitted over the receiving line, subject to a specific sampling rate of the audio data by the coupled terminals and to control a transmission of at least one respective second frame over the transmitting line and over the receiving line within the respective time interval.

A device for the transmission of data over nodes of a specific network of an aircraft, comprising:

• a number of network nodes;
• a bus having a transmitting line and a receiving line which interconnect the network nodes in a chain arrangement;
• and
• a bus control device which is configured to control a transmission of data, defined according to the specific network, as data voltage signals over the transmitting line and over the receiving line;
• each network node comprising a fault protection circuit for bypassing the network node in the chain arrangement in the event of a fault,
• wherein the fault protection circuit is capable of cross-connecting the transmitting line and the receiving line, and in that each network node further comprises:
• a detection component for detecting a cross-connection of the transmitting line and of the receiving line by a network node upstream of the network node in the chain arrangement, and
• a fault-locating component for locating a fault in the network node upstream of the network node in the chain arrangement, when cross-connection of the transmitting line and of the receiving line has been detected;
• wherein the bus control device is configured to load the data voltage signals at least on the transmitting line or on the receiving line with supply voltage signals suitable for the power supply of at least one network node;
• and
• wherein the network nodes have respective amplifying arrangements for amplifying the signals on the transmitting line and on the receiving line, the bus control device forming the supply voltage signals such that they are suitable for the power supply of the amplifying arrangements of the network nodes.

A method for the transmission of data over a number of nodes of a specific network of an aircraft, wherein the number of network nodes is coupled with a transmitting line and a receiving line by a bus in a chain arrangement, the method comprising:

• detecting the occurrence of a fault in a network node,
• bypassing the network node in which the fault has been detected, in the chain arrangement such that the transmitting line and the receiving line are cross-connected,
• detecting a cross-connection of the transmitting line and of the receiving line by the network node downstream of the bypassed network node in the chain arrangement, and
• locating a fault in the bypassed network node when a cross-connection of the transmitting line and of the receiving line has been detected.