Re: [foxboro] Calling displays with alarms
- From: "Cossitt, Howard" <howard.cossitt@xxxxxxxxxxxxxxxx>
- To: foxboro@xxxxxxxxxxxxx
- Date: Mon, 18 Sep 2006 20:58:50 -0400
May I also humbly suggest the use of a MON block in conjunction with an IND
block.
In this solution the MON block monitors the alarm condition and activates
the IND block upon detection of it. The IND block calls up the display.
Advantages:
MON block continuously runs continuously instead of looping IND block
(better use of processing cycle and memory)
Activation of IND block can be done in an "one-time-only" manner by means of
the ACTCASES statement. (i.e. instead of continuously calling up the display
on the screen on every scan the alarm condition is true, which can be
terribly aggravating, you can call-up the display once then deactivate
monitoring until the condition returns false at which time monitoring is
again activated.)
Disadvantages:
Use of 2 blocks
Activation and deactivation of monitoring must be carefully designed.
Howard
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
Sent: Monday, September 18, 2006 1:30 PM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Calling displays with alarms
To expand on the previous answer, look at HH 674
The command is:
:WPNAMEDMCMD :=3D "dmcmd /usr/disp/d1";
to make the display called "d1" show up on the WP called WPNAME.
Tim Lowell
Control Systems Engineer
ConocoPhillips Trainer Refinery
(610) 364-8362
tim.c.lowell@xxxxxxxxxxxxxxxxxx
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] =
On Behalf Of IQUEIROLOO@xxxxxxxxxxxxx
Sent: Monday, September 18, 2006 3:00 PM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Calling displays with alarms
Does anybody in the list know if it is possible call a process display =
with an alarm?
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Control Avanzado
Complejo Industrial Ensenada
Repsol YPF - Qu=EDmica
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