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EVS-EN IEC 61158-5-27:2023

Industrial communication networks - Fieldbus specifications - Part 5-27: Application layer service definition - Type 27 elements

General information

Valid from 02.05.2023
Base Documents
EN IEC 61158-5-27:2023; IEC 61158-5-27:2023
Directives or regulations
None

Standard history

Status
Date
Type
Name
02.05.2023
Main
IEC 61158-5-27:2023 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 27 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.

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