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IEC 61158-4-3-ed.4.0
Industrial communication networks - Fieldbus specifications - Part 4-3: Data-link layer protocol specification - Type 3 elements
Translate name
STANDARD published on 18.4.2019
The information about the standard:
Designation standards: IEC 61158-4-3-ed.4.0
Publication date standards: 18.4.2019
SKU: NS-947686
The number of pages: 169
Approximate weight : 538 g (1.19 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Industrial process measurement and controlData link layerNetworking
Annotation of standard text IEC 61158-4-3-ed.4.0 :
IEC 61158-4-3:2019 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 fourth edition cancels and replaces the third edition published in 2014 and constitutes a technical revision. The main changes are: This edition includes the following significant technical changes with respect to the previous edition: •corrections in Table 3; •corrections in Table A.15; •spelling and grammar. LIEC 61158-4-3:2019 la couche liaison de donnees permet la communication de messages de base, critiques du point de vue temporel, entre appareils dans un environnement dautomatisation. Ce protocole donne les moyens de communiquer a un sous-ensemble “maitre” preselectionne dentites de liaison de donnees de maniere asynchrone cyclique, sequentiellement pour chacune de ces entites de liaison de donnees. Dautres entites de liaison de donnees communiquent uniquement si elles sont autorisees et deleguees par ces entites de liaison de donnees "maitres". Les communications dun maitre avec dautres entites de liaison de donnees peuvent etre cycliques ou acycliques avec acces selon un ordre de priorite, ou une combinaison des deux. Ce protocole est un moyen de partager de maniere equitable les ressources de communication disponibles. Il comporte des dispositions de fonctionnement synchrone et isochrone.
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