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fou99
#1 Posted : Thursday, August 12, 2010 2:29:17 PM
Rank: Newbie
Groups: Member

Joined: 11/10/2009
Posts: 6
I want to top my value by a certain range

MinVal =0
MaxVal = 50

if PV < max val then PV else MaxVal

or

if PV > min val then PV else MaxVal

there's a configuration in the PIPoint, to use zero and span to limit value?
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RJK Solutions
#2 Posted : Thursday, August 12, 2010 7:52:20 PM
Rank: Administration

Groups: Administration

Joined: 6/20/2008
Posts: 612
Location: Cheshire, United Kingdom.
Limiting a value in a PI Point will depend on the interface that is supplying the values to the PI Point.
An alternative may be to use a Performance Equation tag that is event based on the tag you want to limit values for. It would mean having 2 tags for 1 instrument reading.

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Real-Time Data Management @ Wipro Technologies
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