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System and method for transmitting real-time-critical and non-real-time-critical data in a distributed industrial automation system
System and method for transmitting real-time-critical and non-real-time-critical data in a distributed industrial automation system
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机译:在分布式工业自动化系统中传输实时关键和非实时关键数据的系统和方法
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摘要
A system and a method provide a real-time-critical communication and a non-real-time-critical communication in a switched data network consisting of users and switching units, for example a distributed automation system, by a cyclic operation. In a transmission cycle, there exists for all users and switching units of the switched data network in each case at least one section for transmitting real-time-critical data and at least one section for transmitting non-real-time-critical data, as a result of which the real-time-critical communication is separated from the non-real-time-critical communication. Since all users and switching units are always synchronized to a common time base, the respective sections for transmitting data in each case take place at the same time for all users and switching units, i.e. the real-time-critical communication takes place independently in time from the non-real-time-critical communication.
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