BS EN 61158-3-8:2008 PDF

What is BS EN 61158-3-8 - Data-link layer service definition type 8 elements about?

BS EN 61158-3-8 is the eighth subpart of the third part of the multiple series 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 61158-3-8 defines in an abstract way the externally visible service provided by the Type 8 Fieldbus data-link layer in terms of

The primitive actions and events of the service