
Industrial Communication Networks - Field Bus Specifications - Part 4-3: Data-link Layer Protocol Specification - Type 3 Elements
出版:Nederlands Normalisatie Instituut

专家解读视频
Defines basic time-critical messaging communications between devices in an automation environment. It also provides communication opportunities to a pre-selected "master" subset of datalink entities in a cyclic asynchronous manner, sequentially to each of those data-link entities.
Supersedes NEN EN IEC 61158-4. (04/2008)
IEC 61158-4-3 Ed. 1.0 - Identical