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IEVref:351-55-07ID:
Language:enStatus: Standard
Term: priority
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Definition: place value within a ranking order that determines at the moment of decision which action is to be performed next, when several actions are requested simultaneously

Note 1 to entry: The most important control functions acting on a process usually get the following sequence of priorities.
Required control functionPriority
safeguarding1
intervention2
open-loop control3
closed-loop control4
optimizing5

In this table the control function with the lower number has the higher priority.

Note 2 to entry: This entry was numbered 351-31-07 in IEC 60050-351:2006.


Publication date:2013-11
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