Patent ID: 8300258
Filing Date: 2012-10-30
Classification: G06F,H04L

Abstract:
1. A method for operation of a data bus to which multiple bus participants with a respective serial number specific to each of them are connected, comprising the steps of: connecting a new bus participant to the data bus; generating a request bus message by the new bus participant, said message containing a preliminary participant identification number as an identifier, said number being derived from a serial number of the new bus participant, the request bus message being arbitrated in the data bus by means of the identifier; assigning a final participant identification number for the new bus participant after the receipt of the request bus message with the preliminary participant identification number, the final participant identification number having fewer digits than the serial number of the new bus participant; using the final participant identification number by the new bus participant as an identifier for further bus messages by said new bus participant; and after the connection of each new bus participant, the data bus is initialized, and wherein during the initialization bus messages are used with an identifier in which a complete serial number is entered as said identifier, and each bus participant sends a corresponding request bus message for allocation of the final participant identification number, and after the initialization a different type of bus message is used that has a shorter identifier in which the final participant identification number can be entered.