NEN EN IEC 61158-4-22:2014现行
Industrial Communication Networks - Fieldbus Specifications - Part 4-22: Data-Link Layer Protocol Specification - Type 22 Elements
出版：Nederlands Normalisatie Instituut
专家解读视频
基本信息
标准编号： NEN EN IEC 61158-4-22:2014
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：138
标准简介
Defines basic time-critical messaging communications between devices in an automation environment. Also provides communication opportunities to all participating data-link entities in a synchronously-starting cyclic manner, according to a pre-established schedule, and in a cyclic or acyclic asynchronous manner, as requested each cycle by each of those data-link entities.
本标准替代的旧标准
等同采用的国际标准
EN 61158-4-22:2014 - Identical
