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IEC 61158-4-24:2019 ed2.0
Industrial communication networks - Fieldbus specifications - Part 4-24: Data-link layer protocol specification - Type 24 elements
254 стр.
Заменен
Печатная копияЭлектронный (pdf)
655.20 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
25.040.40 Industrial process measurement and control / Измерение и контроль производственного процесса, 35.110 Networking. Including local area networks (LAN), metropolitan area networks (MAN), wide area networks (WAN), etc. / Организация сети, 35.100.20 Data link layer / Уровень звена данных
Описание
IEC 61158-4-24:2019 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 second edition cancels and replaces the first edition published in 2014. This edition constitutes a technical revision with the following technical changes:
• patent declaration in the Introduction;
• corrections on transmission sequence of fixed-width time slot type in 4.3.2;
• technical extension for band sharing between I/O data exchange and message communication;
• spelling and grammar