Re: [foxboro] Weird characters in LOOPID field
- From: <tom.vandewater@xxxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Wed, 30 Aug 2006 08:18:15 -0400
Tim,
We have seen weird control characters in the ICC before and for
us it coincided with corruption of the CP's workfile. We have also seen
mismatch of parameter values when looking at blocks from within the ICC.
However, we were able to perform a Saveall, and then do a Loadall on an
offline CP successfully and the weird characters were not propagated.
We aren't sure what caused the corruption but we have seen it on more
than one occasion. Your symptom sounds a little different if the weird
characters only show up in the LOOPID field of the Compound Block.
Cheers,
Tom VandeWater
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Lowell, Tim:
Sent: Wednesday, August 30, 2006 7:29 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Weird characters in LOOPID field
Has anybody else ever come across weird characters, like "]", or
smileys, or d's in the LOOPID field of their COMPOUND blocks? We have
Matrikon Process Guard here, and part of their Management of Change
procedure is to run an ICCPRT script periodically to see how the alarms
settings are changing over time. In a bunch of our COMPOUND blocks, the
LOOPID field is filled with these characters, which causes Process Guard
to crash when it reads them. =20
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We did an upgrade from 6.2.1 to 7.1 recently, and we regularly use
FoxCAE v5.0 to backdocument and FeedForward's Remote Control
Configurator v.0.94.1 (I know, use at your own risk). Before I go
through and delete all these weird characters, I was wondering if
anybody had heard of this and if they served any purpose that I'm not
aware of.
=20
Thanks,
=20
Tim Lowell
Control Systems Engineer
ConocoPhillips Trainer Refinery
(610) 364-8362
tim.c.lowell@xxxxxxxxxxxxxxxxxx
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