EN IEC 61158-5-27:2023

Industrial communication networks - Fieldbus specifications - Part 5-27: Application layer service definition - Type 27 elements EN IEC 61158-5-27:2023

Publication date:   Jun 15, 2023

General information

60.60 Standard published   Apr 14, 2023


CLC/TC 65X Industrial-process measurement, control and automation

European Norm

25.040   Industrial automation systems



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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.

Life cycle


EN IEC 61158-5-27:2023
60.60 Standard published
Apr 14, 2023