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Industrial communication networks. Fieldbus specifications -- Data-link layer protocol specification. Type 1 elements
IEC 61158-4-1:2014 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.
It also specifies 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 second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision.
The main change is: Improved terms.
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