BAS EN IEC 61158-4-21:2024
Industrijske komunikacijske mreže - Specifikacije fieldbusa - Dio 4-21: Specifikacija protokola na razini veze – Elementi tipa 21
Opće informacije
Status: Važeći
Broj strana: 118
Jezik: Engleski
Izdanje: 1.
Metoda usvajanja: Proglašavanje
Nadnevak objave: 11.07.2024
Tehnički komitet:
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Apstrakt
IEC 61158-4-21:2023 describes:
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;
procedures for giving communication opportunities based on ISO/IEC/IEEE 8802‑3 MAC, with provisions for nodes to be added or removed during normal operation;
structure of the fieldbus data link protocol data units (DLPDUs) used for the transfer of data and control information by the protocol of this document, and their representation as physical interface data units.
Životni ciklus
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Izvorni dokument i stepen usklađenosti
- EN IEC 61158-4-21:2023, identičan
- IEC 61158-4-21:2023, identičan