Method for data transmission
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Abstract
The invention relates to a method for data transmission in a serial bus system comprising a control unit and bus users. The method comprises steps: receiving a first data telegram by a bus user from the control unit, wherein the data telegram has a data field containing output data; reading out the data field intended for the bus user from the first data telegram; preparing input data as a response to the read out data field; checking whether a predefined criterion is met, wherein if the criterion is met a second data telegram is newly generated and the input data is attached to the second data telegram and if the criterion is not met, the input data is attached to a data telegram previously received from another bus user; and transmitting the input data to the control unit by the second data telegram.
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Citations
38 Claims
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1-19. -19. (canceled)
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20. A method for transmitting data in a serial bus system, comprising:
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receiving a first data telegram comprising a data field by a bus user of the bus system from a control unit of the bus system; reading out the data field from the first data telegram; preparing an input data based on the read out data field; checking whether a transmitting criterion is met, wherein; if the transmitting criterion is met, the input data is attached to a second data telegram that is newly generated, and if the transmitting criterion is not met, the input data is attached to a second data telegram that is previously received from another bus user of the bus system; and transmitting the input data to the control unit by the second data telegram. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
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30. A bus user for a serial bus system, comprising:
a device that; receives a first data telegram comprising a data field by a bus user of the bus system from a control unit of the bus system, reads out the data field from the first data telegram, prepares an input data based on the read out data field, checks whether a transmitting criterion is met, wherein; if the transmitting criterion is met, the input data is attached to a second data telegram that is newly generated, and if the transmitting criterion is not met, the input data is attached to a second data telegram that is previously received from another bus user of the bus system, and transmits the input data to the control unit by the second data telegram. - View Dependent Claims (31, 32, 33, 34, 35)
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36. A network with a serial bus system, comprising:
a device that; receives a first data telegram comprising a data field by a bus user of the bus system from a control unit of the bus system, reads out the data field from the first data telegram, prepares an input data based on the read out data field, checks whether a transmitting criterion is met, wherein; if the transmitting criterion is met, the input data is attached to a second data telegram that is newly generated, and if the transmitting criterion is not met, the input data is attached to a second data telegram that is previously received from another bus user of the bus system, and transmits the input data to the control unit by the second data telegram. - View Dependent Claims (37, 38)
Specification