BS EN 61158-3-1:2014 PDF

What is BS EN 61158-3-1 - Data-link layer service definition — Type 1 elements about?

BS EN 61158-3-1 is the first 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 61158-3-1 defines in an abstract way the externally visible service provided by the Type 1 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 which they take and

The interrelationship between these actions and events, and...