Active standard | Published: 09/03/2023

IEC 61158-5-23-ed.3.0

Industrial communication networks - Fieldbus specifications - Part 5-23: Application layer service definition - Type 23 elements
(Reseaux de communication industriels - Specifications des bus de terrain - Partie 5-23 : Definition des services de la couche application - Elements de type 23)

Available languages: English, English and French

Available design: electronic design (pdf), Print design, CD-ROM

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Detail information

Designation: IEC 61158-5-23-ed.3.0

Publication date: 09/03/2023

Pages: 246

Country: International technical standard

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Anotation

IEC 61158-5-25:2023 provides common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment and material specific to Type 23 fieldbus. The term "time-critical" is used to represent the presence of a time-window, within which one or more specified actions are required to be completed with some defined level of certainty. Failure to complete specified actions within the time window risks failure of the applications requesting the actions, with attendant risk to equipment, plant and possibly human life. LIEC 61158-5-25:2023 fournit des elements communs pour les communications de messagerie prioritaires et non prioritaires elementaires entre les programmes d’application des environnements d’automatisation et le materiel specifique au bus de terrain de type 23. Le terme "prioritaire" signale l’existence d’une fenetre temporelle dans laquelle une ou plusieurs actions specifiees doivent etre realisees, avec un niveau de certitude defini. Si les actions specifiees ne sont pas realisees dans la fenetre temporelle, les applications demandant les actions risquent de connaitre une defaillance, avec les risques que cela comporte pour les equipements, les installations et eventuellement la vie humaine.

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