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IEC 61158-5-19:2010 ed2.0
Industrial communication networks - Fieldbus specifications - Part 5-19: Application layer service definition - Type 19 elements
67 стр.
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Разработчик:
Зарубежные/IEC
ICS:
35.110 Networking. Including local area networks (LAN), metropolitan area networks (MAN), wide area networks (WAN), etc. / Организация сети35.100.70 Application layer / Прикладной уровень25.040.40 Industrial process measurement and control / Измерение и контроль производственного процесса
Описание
IEC 61158-5-19:2010 specifies the structure and services of the type 19 IEC fieldbus Application Layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498) and the OSI Application Layer Structure (ISO/IEC 9545). This second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision. The main change 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.