IEC 61158-3-4 : 3.0现行
Industrial communication networks - Fieldbus specifications - Part 3-4: Data-link layer service definition - Type 4 elements
出版：International Electrotechnical Committee
专家解读视频
This part of IEC 61158 provides common elements for basic time-critical messaging communications between devices in an automation environment.
EN IEC 61158-3-4:2019 - Identical
DS/EN IEC 61158-3-4:2019 - Identical
BS EN IEC 61158-3-4:2019 - Identical
I.S. EN IEC 61158-3-4:2019 - Identical
UNE-EN IEC 61158-3-4:2019 - Identical
UNE-EN IEC 61158-3-4:2019 - Identical
PN-EN IEC 61158-3-4:2019-12 - Identical
DS/EN IEC 61158-3-4:2019 - Identical
EN IEC 61158-3-4:2019 - Identical
BS EN IEC 61158-3-4:2019 - Identical
I.S. EN IEC 61158-3-4:2019 - Identical
