Re: [foxboro] PID Tuning

This approach can place a significant load on your CPs. Be sure to check its
impact using the CP loading display while you run the command.



Alex Johnson
Invensys Systems, Inc.
10707 Haddington
Houston, TX 77043
713.722.2859 (office)
713.722.2700 (switchboard)
713.932.0222 (fax)
ajohnson@xxxxxxxxxxx
For the latest information on ArchestrA, go to
www.invensys.com/Archestra.html.

 -----Original Message-----
From:   Penndorf, Rocco (RP) [mailto:RPPenndorf@xxxxxxx] 
Sent:   Wednesday, May 28, 2003 7:09 AM
To:     foxboro@xxxxxxxxxxxxx
Subject:        Re: [foxboro] PID Tuning

Hi Hafedh,

this should do the trick

/opt/fox/bin/tools/getpars -C\* -B\* -n -tPIDA -mPBAND:%1f -mINT:%1f
-mDERIV:%1f
 -mKD:%1f -mSPLLAG:%1f -mSPT:%1f > /usr/fox/rocco/tools/pidatemp


Attention: I just use this for saving parameters from PIDA blocks. You might
have to change the blockname for the "-t"-parameter. You can add/remove the
"-m" parameters depending which block parameter you want to save. And of
course you should change the term after the ">" to the path you want to
direct the output of getpars. Hope this helps


Rocco  

-----Original Message-----
From: Ghodhbani, Hafedh [mailto:hafedh.ghodhbani@xxxxxxxxxxxx]
Sent: Wednesday, May 28, 2003 01:26 PM
To: 'foxboro@xxxxxxxxxxxxx'
Subject: [foxboro] PID Tuning


Hi list,
Is there a script that records in a file all the PID/PIDA/PIDX blocks in all
CPs the
tuning parameters Pband, int, deriv and kd. I need to run this script once a
week to see
changes on them. You understand that manually it takes a lot of time.
Please advise
Thanks
Hafedh Ghodhbani
C&I engineer
BG group, Tunisia
+216 74 259 250

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