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IEC 62541-14-ed.1.0
OPC Unified Architecture - Part 14: PubSub
Translate name
STANDARD published on 8.7.2020
The information about the standard:
Designation standards: IEC 62541-14-ed.1.0
Publication date standards: 8.7.2020
SKU: NS-998069
The number of pages: 380
Approximate weight : 1171 g (2.58 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Industrial process measurement and controlMultilayer applications
Annotation of standard text IEC 62541-14-ed.1.0 :
IEC 62541-14:2020 defines the OPC Unified Architecture (OPC UA) PubSub communication model. It defines an OPC UA publish subscribe pattern which complements the client server pattern defined by the Services in IEC 62541-4. IEC TR 62541-1 gives an overview of the two models and their distinct uses. PubSub allows the distribution of data and events from an OPC UA information source to interested observers inside a device network as well as in IT and analytics cloud systems. This document consists of • a general introduction of the PubSub concepts, • a definition of the PubSub configuration parameters, • mapping of PubSub concepts and configuration parameters to messages and transport protocols, and • a PubSub configuration model. Not all OPC UA Applications will need to implement all defined message and transport protocol mappings. IEC 62541-7 defines the Profile that dictates which mappings need to be implemented in order to be compliant with a particular Profile. IEC 62541-14:2020 definit le modele de communication PubSub de larchitecture unifiee OPC (OPC UA). Elle definit un modele publication/abonnement OPC UA qui vient completer le modele client/serveur defini par les Services dans lIEC 62541-4. Une presentation des deux modeles et de leurs utilisations est donnee dans lIEC TR 62541-1. PubSub permet de distribuer des donnees et des evenements provenant dune source dinformations OPC UA aux observateurs dinteret a linterieur dun reseau de dispositifs ainsi que dans les systemes Cloud informatiques et danalyse. Le present document se compose: • dune presentation generale des concepts PubSub; • dune definition des parametres de configuration PubSub; • dun mapping des concepts et des parametres de configuration PubSub avec les messages et les protocoles de transport; et • dun modele de configuration PubSub. Il nest pas necessaire que lensemble des Applications OPC UA mettent en ouvre tous les mappings avec les messages et les protocoles de transport. LIEC 62541-7 definit le Profil qui dicte les mappings quil est necessaire de mettre en ouvre afin detre conforme a un Profil particulier.
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