Re: [foxboro] More Process Summary Reporter Quirks
- From: "Johnson, Alex P (IPS)" <alex.johnson@xxxxxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 21 Oct 2008 19:40:52 -0400
Virgil,
I can't answer all of your questions, you need a PSR expert and I'm not
one. However,...
Re: As far as I know, Foxboro only uses the term Inhibited alarm, not
disabled alarm.
The I/A Series supports both alarm inhibition and alarm disable options.
An inhibited alarm will detect the alarm and set the alarm indication
status bits, but it will not send the message to any configured alarm
destinations.
A disabled alarm will not detect the alarm, will not set the alarm
indication status bits, and will not send a message to the configured
alarm destinations.
The difference between a disabled alarm and an un-configured alarm is
that the disable function is one that can be changed without using the
control configurator. If the alarm has never been configured, you must
use the control configurator to enable it. Whereas, if you configure it
and disable it, you can restore its operation at any time through your
HMI.
Make some sense?
Regards,
Alex Johnson
Invensys Process Systems
10900 Equity Drive
Houston, TX 77041
713 329 8472 (desk)
713 329 1600 (operator)
713 329 1944 (SSC Fax)
713 329 1700 (Central Fax)
alex.johnson@xxxxxxxxxxxxxxxx
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Loudermilk, Virgil:
Sent: Tuesday, October 21, 2008 3:05 PM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] More Process Summary Reporter Quirks
We noticed yet another quirk today in the PSR in that the documentation
(the latest I can find is B0193DG REV. E, fated June 30, 1999!) mentions
nothing about "Alarms Disabled ", which show up on our PSR screen right
under "Alarms Inhibited", but not on the screen print in the
documentation. And reports using just the "Alarms Inhibited" choice do
not pick up all of the inhibited CIN blocks, but they apparently pick up
some newly built ones - very odd. But also selecting "Alarms Disabled"
does cause it to pick up all inhibited CIN blocks. As far as I know,
Foxboro only uses the term Inhibited alarm, not disabled alarm. Does
anyone know what is going on here?
Thanks,
Virgil
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