Industrial communication networks. Fieldbus specifications - Data-link layer service definition. Type 7 elements
Industrial communication networks. Fieldbus specifications - Data-link layer service definition. Type 7 elements
What is BS EN 61158-3-7 - Data-link layer service definition — Type 7 elements about?
BS EN 61158-3-7 is the seventh subpart of the third part of the multiple series standard that provides common elements for basic time-critical messaging communications between devices in an automation environment. 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. BS EN 61158-3-7 defines in an abstract way the externally visible service provided by the Type 7 Fieldbus data-link layer in terms of:
The primitive actions and events of the service
The parameters associated with each primitive action and event, and the form in which they take
The interrelation...
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