Re: [foxboro] RV: Open loop alarm

Open loop alarms are handled as Process Alarms and not Equipment (System)
alarms. As such, they are enabled by setting the BAD Alarm Option on the
block and specifying the alarm destination.

If the block has BAD alarming and alarm destinations set, the CAD will show
the message.

Hope this helps.

Regards,
 
Alex Johnson
Invensys Systems, Inc.
10707 Haddington
Houston, TX 77063
+1 713 722 2859 (voice)
+1 713 932 0222 (fax)
+1 713 722 2700 (switchboard)
alex.johnson@xxxxxxxxxxxxxxxx
 

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On
Behalf Of Perez, Claudio
Sent: Friday, November 25, 2005 9:01 AM
To: 'foxboro@xxxxxxxxxxxxx'
Subject: [foxboro] RV: Open loop alarm

Hi list,
            There is a way to send an alarm to System monitor when =
analogs
outputs loops are opened? We couldn't find something related in I/A =
Docs.
        We recently had a plant shut down because a control valve failed and
closed. Until now it hasn=C2=B4t been discovered the cause. We have =
several
hypothesis, having an open loop alarm could help to figure out what was
wrong.
=09
Thanks
Regards
Claudio A. Perez
Sr. Control Systems Eng.
T=C3=9CV FSEng. ID. Nr.: 0082/05
PROFERTIL S.A.
(54) 291 459-8139
cperez@xxxxxxxxxxxxxxxx
www.profertil.com.ar


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