NEN EN IEC 61158-3-20:2014现行
Industrial Communication Networks - Fieldbus Specifications - Part 3-20: Data-Link Layer Service Definition - Type 20 Elements
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN EN IEC 61158-3-20:2014
发布时间：2014/11/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：54
标准简介
Defines 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.
等同采用的国际标准
EN 61158-3-20:2014 - Identical
