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IEC 61158-4-8-ed.1.0
Industrial communication networks - Fieldbus specifications - Part 4-8: Data-link layer protocol specification - Type 8 elements
STANDARD published on 14.12.2007
The information about the standard:
Designation standards: IEC 61158-4-8-ed.1.0
Publication date standards: 14.12.2007
SKU: NS-412573
The number of pages: 273
Approximate weight : 850 g (1.87 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 61158-4-8-ed.1.0 :
IEC 61158-4-8:2007 provides a highly-optimized means of interchanging fixed-length input/output data and variable-length segmented messages between a single master device and a set of slave devices interconnected in a loop (ring) topology. The exchange of input/output data is totally synchronous by configuration, and is unaffected by the messaging traffic. Devices are addressed implicitly by their position on the loop. The determination of the number, identity and characteristics of each device can be configured, or can be detected automatically at start-up. This first edition and its companion parts of the IEC 61158-4 subseries cancel and replace IEC 61158-4:2003. It constitutes an editorial revision and includes the following significant changes: - deletion of the former Type 6 fieldbus and the placeholder for a Type 5 fieldbus data link layer, for lack of market relevance; - addition of new types of fieldbuses; - division of this part into multiple. This bilingual version corresponds to the monolingual English version, published in 2007-12. La CEI 61158-4-8:2007 fournit un moyen fortement optimise dechanger des donnees dentree/de sortie de longueur fixe ainsi que des messages segmentes de longueur variable entre un seul appareil maitre et un ensemble dappareils esclaves interconnectes selon une topologie en boucle (anneau). Lechange de donnees dentree/de sortie est totalement synchrone du point de vue de la configuration, et nest pas affecte par le trafic de messagerie. Les appareils sont adresses implicitement par leur position sur la boucle. La determination du numero, de lidentite et des caracteristiques de chaque appareil peut etre configuree, ou peut etre detectee automatiquement au demarrage. Cette premiere edition et ses parties daccompagnement de la sous-serie CEI 61158-4 annulent et remplacent la CEI 61158-4:2003. Elle constitue une revision editoriale et inclut les modifications significatives suivantes: - suppression du precedent bus de terrain de Type 6 et du receptacle ("placeholder") pour une couche liaison de donnees de bus de terrain de Type 5, en raison du manque de pertinence commerciale; - ajout de nouveaux types de bus de terrain; - division de la presente partie en plusieurs parties. La presente version bilingue correspond a la version anglaise monolingue publiee en 2007-12.
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