Active standard | Published: 24/03/2023

IEC 61158-6-4-ed.4.0

Industrial communication networks - Fieldbus specifications - Part 6-4: Application layer protocol specification - Type 4 elements
(Reseaux de communication industriels - Specifications des bus de terrain - Partie 6-4: Specification du protocole de la couche application - Elements de type 4)

Available languages: English, English and French

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Detail information

Designation: IEC 61158-6-4-ed.4.0

Publication date: 24/03/2023

Pages: 0

Country: International technical standard

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Anotation

IEC 61158-6-4:2023 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 4 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 61158-6-4:2023 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 4. Le terme "a temps critique" est utilise pour indiquer la presence d’une fenetre temporelle, dans laquelle il est exige de realiser une ou plusieurs actions specifiees selon un niveau defini de certitude. Tout manquement a realiser ces actions dans la fenetre de temps prevue risque de provoquer la defaillance des applications qui les demandent, avec le risque de mettre en danger l’equipement, l’usine, voire les personnes.

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