
Industrial communication networks - Fieldbus specifications - Part 4-12: Data-link layer protocol specification - Type 12 elements
出版:

专家解读视频
IEC 61158-4-12:2019 specifies procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider and the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical interface data units. This fourth edition cancels and replaces the third edition published in 2014 and constitutes a technical revision. The main changes are: technical corrections and editorial improvements for clarification.
CEI EN IEC 61158-4-12 : 2019 - Identical
UNE-EN 61158-4-12:2014 - Identical
DIN EN IEC 61158-4-12:2020-08 - Identical
BS EN IEC 61158-4-12:2019 - Identical
UNE-EN IEC 61158-4-12:2019 - Identical
I.S. EN IEC 61158-4-12:2019 - Identical
EN IEC 61158-4-12:2019 - Identical
NEN EN IEC 61158-4-12 : 2019 - Identical
PN-EN IEC 61158-4-12: 2019-12 - Identical
NF EN IEC 61158-4-12:2019 - Identical