I believe that one of our plants accomplishes this by having the historian
(the legacy historian, in our case) generate a report and then reading in
the report via a substitution list on the Display Manager. If you want, I
can delve into this some more, but I'm leaving on vacation for a week after
today. I don't know if this type of operation is possible with the AIM
historian. Perhaps Alex knows.
-----Original Message-----
From: Stan Ruth [mailto:[EMAIL PROTECTED]]
Sent: Monday, April 09, 2001 10:08 AM
To: [EMAIL PROTECTED]
Subject: AIM historian and display of reduced data
Hello list,
I have an application in which we would like to take data into our AIM *
historian, and reduce the data into hourly and / or daily averages. We
would like to take these averages and display the most recent values on a
FoxView or Display Manager display. Is this possible, or do we need to
generate these averages within the control processor instead of using the
historian for the data reduction?
Stan Ruth
Huntsman JCO Process Control
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