Industrial communication networks. Fieldbus specifications - Application layer service definition. Type 25 elements
Industrial communication networks. Fieldbus specifications - Application layer service definition. Type 25 elements
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What is BS EN IEC 61158-5-25 – Type 25 application layer ?
BS EN IEC 61158-5-25 is part of the BS EN IEC 61158 series that has been created to facilitate the interconnection of automation system components. The Fieldbus Application Layer (FAL) provides user programs with a means to access the Fieldbus communication environment. In this respect, the FAL can be viewed as a “window between corresponding application programs.” BS EN IEC 61158-5-25 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 25 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 ...
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