CEI EN IEC 61158-4-21 : 2019被替代
Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements
出版：Comitato Elettrotecnico Italiano
专家解读视频
基本信息
标准编号： CEI EN IEC 61158-4-21 : 2019
标准类别：Standard
出版单位：Comitato Elettrotecnico Italiano
标准页数：0
标准简介
The DLL provides basic time-critical data communications between devices in an automated environment.
替代本标准的新标准
等同采用的国际标准
IEC 61158-4-21:2019 - Identical
EN IEC 61158-4-21:2019 - Identical
IEC 61158-4-21:2019 - Identical
EN IEC 61158-4-21:2019 - Identical
IEC 61158-4-21:2019 - Identical
