
Industrial communication networks. Fieldbus specifications. Data-link layer protocol specification. Type 12 elements
出版:British Standards Institution

专家解读视频
The data-link layer provides basic time-critical messaging communications between devices in an automation environment.
EN IEC 61158-4-12 : 2019 - Identical
IEC 61158-4-12 : 4.0 - Identical
IEC 61158-4-12 : 4.0 - Identical