IEC 61158-4-4 : 3.0现行
Industrial communication networks – Fieldbus specifications – Part 4-4: Data-link layer protocol specification – Type 4 elements IEC
出版：International Electrotechnical Committee
专家解读视频
The data-link layer provides basic time-critical messaging communications between devices in an automation environment
I.S. EN IEC 61158-4-4:2019 - Identical
PN-EN IEC 61158-4-4:2019-12 - Identical
UNE-EN IEC 61158-4-4:2019 - Identical
NEN-EN-IEC 61158-4-4:2019 en - Identical
EN IEC 61158-4-4:2019 - Identical
DS/EN IEC 61158-4-4:2019 - Identical
EN IEC 61158-4-4:2019 - Identical
NEN-EN-IEC 61158-4-4:2019 en - Identical
DS/EN IEC 61158-4-4:2019 - Identical
UNE-EN IEC 61158-4-4:2019 - Identical
PN-EN IEC 61158-4-4:2019-12 - Identical
I.S. EN IEC 61158-4-4:2019 - Identical
