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sklademVydáno: 2023-03-24
IEC 61158-5-4:2023
Industrial communication networks - Fieldbus specifications - Part 5-4: Application layer service definition - Type 4 elements
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 5-4: Définition des services de la couche application - Éléments de type 4
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Anglicky/Francouzsky Tisk
skladem
9867 Kč
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| Označení normy: | IEC 61158-5-4:2023 |
| Vydáno: | 2023-03-24 |
| Jazyk: | Anglicky/Francouzsky |
Popis
IEC 61158-5-4:2023
IEC 61158-5-4:2023 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.