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dinoken
#1 Posted : Thursday, June 10, 2010 7:24:07 PM
Rank: Member

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Joined: 11/25/2009
Posts: 11
Location: Aberdeen
Hey all,

I have a trend in a Process Book display file which displays two tags and one PI Calculation.

I have gone into the PI Calculation page and set all the refresh rate to be 1minute.

The PI Processbook version is 3.0.15.2

QUESTION: How can i get this trend to automatically update like the other trends?






Many thanks

Ken
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RJK Solutions
#2 Posted : Friday, June 11, 2010 9:54:25 AM
Rank: Administration

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Joined: 6/20/2008
Posts: 612
Location: Cheshire, United Kingdom.
Hi Ken,

There is nothing obvious there, it should be updating fine.
Do you see any values for your PI Calculation on the trend or is it always 0? It should be re calculated every minute and assuming your 2 PI Points in your expression are updating then the PI Calculation should update.
Principal Consultant
Real-Time Data Management @ Wipro Technologies
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