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    • 7. 发明授权
    • Device for exchanging data and process for operating it
    • 用于交换数据和处理操作的设备
    • US06473839B1
    • 2002-10-29
    • US08649720
    • 1996-05-22
    • Rolf KremserBernd Diebold
    • Rolf KremserBernd Diebold
    • G06F1200
    • H04L12/4135B60R16/0315H04L12/40006H04L2012/40215H04L2012/40273
    • A device or arrangement for exchanging data between a main station (master) (10) and at least one secondary station (slave) (12, 12n), which each have access to at least one common data line (11) via interfaces CAN, and processes for operating the device. Except for an individual identifier (a, b, . . . , d) of each slave (12, 12n), which is stored in an identifier memory (27, 27n) disposed in the slave (12, 12n), the slaves (12, 12n) are identical. The master (10) likewise includes an identifier memory (22), in which the identifiers (a, b, . . . , d) of the slaves (12, 12n) are to be stored, so that the master can address the slaves (12, 12n) in a targeted way and can process the data output by the slaves (12, 12n). The processes according to the invention pertain to the storage of the identifiers (a, b, . . . , d) in the identifier memory (22) of the master (10) and to the procedure in the event of ai failure of slaves (12, 12n) and/or of the master (10), taking into account the case where no external computer (14) that could furnish all the required information is available. The device according to the invention and the processes according to the invention are especially suitable for use in a multiplexing system that is preferably disposed in a motor vehicle.
    • 一种用于在主站(主站)(10)和至少一个次站(从站)(12),12n)之间交换数据的设备或装置,每个副站可以经由接口CAN访问至少一个公用数据线(11) 以及用于操作该设备的处理。 除了存储在设置在从机(12,12n)中的标识符存储器(27,27n)中的每个从机(12,12n)的单个标识符(a,b,...,d)之外, 12,12n)是相同的。 主机(10)同样包括标识符存储器(22),其中要存储从机(12,12n)的标识符(a,b,...,d),以便主机可以寻址从机 (12,12n),并且可以处理由从站(12,12n)输出的数据。 根据本发明的过程涉及在主机(10)的标识符存储器(22)中存储标识符(a,b,...,d)以及在从机故障的情况下的过程( 考虑到没有可以提供所有所需信息的外部计算机(14)可用的情况,主机(10)和/或主机(10)。 根据本发明的装置和根据本发明的方法特别适用于优选地设置在机动车辆中的多路复用系统。