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IEC 61158-3-19:2010 ed2.0
Industrial communication networks - Fieldbus specifications - Part 3-19: Data-link layer service definition - Type 19 elements
50 стр.
Печатная копияЭлектронный (pdf)
229.32 CHF (включая НДС 20%)
25.040.40 Industrial process measurement and control / Измерение и контроль производственного процесса35.100.20 Data link layer / Уровень звена данных35.110 Networking. Including local area networks (LAN), metropolitan area networks (MAN), wide area networks (WAN), etc. / Организация сети
IEC 61158-3-19:2010 defines in an abstract way the externally visible service provided by the Type 19 fieldbus data-link layer in terms of the primitive actions and events of the service; the parameters associated with each primitive action and event, and the form which they take and the interrelationship between these actions and events, and their valid sequences. This second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision. The main changes with respect to the previous edition are:
- increasing the number of supported devices (511 instead of 254);
- introducing a communication version identification;
- adding a mechanism for remote address allocation;
- introducing enhanced parameter addressing (32 bit instead of 16 bit);
- restructuring control and status word;
- improving the redundancy and hotplug features;
- improving the error handling;
- adding a multiplexing protocol (SMP: Type 19 Messaging Protocol).This bilingual version published in 2012-01 corresponds to the English version published in 2010-08.