IEC 61158-5-2:2023
Collections
International IEC standards
Publication date
March 2023
Number of pages
240 p.
Reference
IEC 61158-5-2:2023
Print number
5
IEC 61158-5-2:2023
March 2023
International standard
Current
Industrial communication networks - Fieldbus specifications - Part 5-2: Application layer service definition - Type 2 elements
IEC 61158-5-2:2023 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 2 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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Sumary
Industrial communication networks - Fieldbus specifications - Part 5-2: Application layer service definition - Type 2 elements
IEC 61158-5-2:2023 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 2 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.
IEC 61158-5-2:2023 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 2 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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Replaced standards
(1)
IEC 61158-5-2:2019
April 2019
International standard
Cancelled
Industrial communication networks - Fieldbus specifications - Part 5-2: Application layer service definition - Type 2 elements
IEC 61158-5-2:2019 defines the services provided to the FAL user at the boundary between the user and the application layer of the fieldbus reference model, and Systems Management at the boundary between the application layer and Systems Management of the fieldbus reference model. This standard specifies the structure and services of the Type 2 fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545) This fourth edition cancels and replaces the third edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - addition of a data type in 5.3.2; - clarifications of Object management ASE in 6.2.1; - extensions of General ASE in 6.2.1.2.1; - extensions/clarifications of Identity ASE in 6.2.1.2.2; - update of Message Router ASE in 6.2.1.2.4; - extensions/clarifications of Time Sync ASE in 6.2.1.2.6; - updates of Parameter ASE in 6.2.1.2.7; - updates of FAL ASE service specification in 6.2.1.3; - extensions/clarifications of Connection manager ASE in 6.2.2; - extensions/clarifications of Connection ASE in 6.2.3; - extensions/clarifications of Application type in 6.3.1.4.5. - miscellaneous editorial corrections.
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