Re: [foxboro] Silence Horn functionality without Annunciator Keyboard

Peter's code would work as long as the WP (01WP01 in this case) is up
and running. =


If you go this route you need to add error handlers and backup WPs
because the WP may be down when you need it.

Regards,
 =

Alex Johnson
Invensys Process Systems
10900 Equity Drive
Houston, TX 77041
713 329 8472 (voice)
713 329 1600 (switchboard)
713 329 1944 (fax)
alex.johnson@xxxxxxxxxxxxxxxx
http://ips.invensys.com =


-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Bruley, Peter T
Sent: Tuesday, May 20, 2008 4:09 PM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Silence Horn functionality without Annunciator
Keyboard

Andreas

 You could easily right a little IND block that monitors a boolean input
fr=3D
om your field I/O & executes the "pref" command to silence the horn when
it=3D
 comes in.

The source code that would actually do the silence call would look like
thi=3D
s:

    (ignore the 3D as this is an equal sign)
:01WP01DMCMD :=3D3D "dmcmd run /usr/local/pref -01WP01 amcmd
silence_horns" ;

Where 01WP01 is the Letter Bug name of a machine on the network.
This will also silence all the stations that in the CAG too!

Other amcmd commands include: mute_all_horns & unmute_all_horns see
documen=3D
t B0193RV for more.

Good Luck

Peter

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On=3D
 Behalf Of Weiss, Andreas
Sent: Tuesday, May 20, 2008 11:09 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Silence Horn functionality without Annunciator
Keyboard

Hi List,

are their any installations using a separate mechanical button
(electricall=3D
y wired to the I/A) to silence the horn?

There is no way to use the software or hardware Annunciator keyboard.

I could think on a FBM input and a block which sets the FBM-Horn-Output
to =3D
false but there may be a better solution.

Regards,
Andreas


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