
INDUSTRIAL COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - PART 3-11: DATA-LINK LAYER SERVICE DEFINITION - TYPE 11 ELEMENTS
出版:Comitato Elettrotecnico Italiano

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基本信息
标准编号: CEI EN 61158-3-11 : 2008
发布时间:2008/1/1 0:00:00
标准类别:Standard
出版单位:Comitato Elettrotecnico Italiano
标准页数:42
标准简介
Gives common elements for basic time-critical messaging communications between devices in an automation environment. The term time-critical is used to represent the presence of a time- window, within which one or more specified actions are required to be completed with some defined level of certainty.