DS EN 61158-4-24:2014现行
Industrial Communication Networks - Fieldbus Specifications - Part 4-24: Data-Link Layer Protocol Specification - Type 24 Elements
出版：Danish Standards
专家解读视频
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, or in an acyclic manner, as requested by each of those data-link entities.
IEC 61158-4-24 : 1ED 2014 - Identical
EN 61158-4-24 : 2014 - Identical
EN 61158-4-24:2014 - Identical
