Re: [foxboro] Data retrieval from reduction groups

Ulrich,

You first have to set-up your AIM* historian instance to generate reduction
files. This is done by setting the following instance attributes:

REDUCLEVEL   = 1
USEREDFILES  = YES


Setting   USEREDFILES  = YES   enables the use of the 
reduction files by the extraction functions.


You also have to configure these instance attributes:


PCTVALID     
REDUCPHASE   
REDPHASEUNIT 
SCANPEAKS    
REDFASTUNIT  
REDMEDUNIT   
REDSLOWUNIT  
REDFASTINT   
REDMEDINT    
REDSLOWINT   


Regards,
Sylvain.

Sylvain Nadeau
Systems Integration  & IT
Invensys Process Systems 
Foxboro Canada Inc.
snadeau@xxxxxxxxxx
514-421-8107
Fax:514-421-8054




-----Original Message-----
From: Ulrich Wieczorek [mailto:uwieczorek@xxxxxxxxxx]
Sent: January 17, 2002 1:28 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Data retrieval from reduction groups



Hi list,

how can I retrieve collected data from reduction groups, using FoxAPI
or AIMAPI? I don't want calculate the reduced values at runtime
(using fh_FdbReduction()). Is there a way to retrieve the already
collected reduced data?

Regards,
Ulrich
'
---------------------------------
Ulrich Wieczorek
Erpicon Software Development GmbH
Neusser Str. 724-726
50737 Koeln
Tel. 0221-974600

 
 
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