Provides basic time-critical messaging communications between devices in an automation enviornment. Defines in an abstract way the externally visible service provided by the Fieldbus Data Link Layer in terms of
a) the primitive actions and events of the service;
b) the parameters associated with each primitive action and event, and the form which they take; and
c) the interrelationship between these actions and events, and their valid sequence.
The services defined are a superset of those provided by OSI Data Link Protocols as specified in ISO/IEC 8886.
WITHDRAWN
IEC TS 61158-3:1999 ED1
99.60
Withdrawal effective
Jan 27, 2000
WITHDRAWN
IEC 61158-3:2000 ED2