Re: [foxboro] dmcmd horn

Hi Pat,

This might be a ridiculus suggestion and it also depends on your local
setup,(loaction of the fbm's - controlroom etc) but why not use an
FBM242 (16ch dig out) to trigger different signals. Use logic or calc
blocks to connect your alarm outputs to the Mcout or PLB. This way you
can have multiple alarms on the same cout of the FBM. Then you have to
setup a device that can handle these 16 signals and generate a different
tone for each of the signals. I'm sure something like this exists in the
PA sector. Not an elegant solution offcourse and involves some cabling.=20

Rgds,

Dirk Pauwels - DCS coordinator=20
Engineering dept.
Lawter International BVBA
An RSM Company
Ketenislaan 1c - Haven 1520
B-9130 Kallo, Belgium
T.  +32.(0)3.570.95.97/ Mob. +32.(0)497.428.300
F.  +32.(0)3.570.16.09
E mail: dirk.pauwels@xxxxxxxxxx



-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Pat Martens
Sent: donderdag 23 december 2004 20:30
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] dmcmd horn


Alex,

Thanks for this clear answer.
Customer Modification Request ?
We have already installed external speakers to the annuniator keyboard.
Part=20
of our problem is that one particular operator seems to have something
like=20
a -100 dB dip exactly at tone 2 (as specified in horn.cfg). Boosting
this=20
with external speakers only upsets his colleagues.

I will have to intensify my search for an external (multi purpose, fully

programmable, redundant, etc.) horn/buzzer.
Again, any practical suggestions are highly appreciated!

I liked the quadrupled redundancy of the existing situation (4=20
WP51/annuniator keyboards per operator work bay).

Thanks again,

Pat Martens,
Total. Raff. Nederland N.V.

----- Original Message -----=20
From: "Johnson, Alex (Foxboro)" <ajohnson@xxxxxxxxxxx>
To: <foxboro@xxxxxxxxxxxxx>
Sent: Thursday, December 23, 2004 7:54 PM
Subject: Re: [foxboro] dmcmd horn


There is no way to change the frequency.

You can add external speakers to the Annunciator Keyboard to boost the
sound.

Regards,

Alex Johnson
Invensys Process Systems
Invensys Systems, Inc.
10707 Haddington
Houston, TX 77043
713.722.2859 (voice)
713.722.2700 (switchboard)
713.932.0222 (fax)
ajohnson@xxxxxxxxxxx

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On
Behalf Of Pat Martens
Sent: Thursday, December 23, 2004 11:19 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] dmcmd horn

Hi,
With the horn display manager command I am able to select 16 individual
frequencies (audible through the GCIO and annun keyboard).
In the horn.cfg I can only select 3 different frequencies.

My question:
Is there a way to 'map' the 3 tones from the horn.cfg to any of the
other
tones, or even better, select an absolute frequency?

We have a control room with  4 operator 'work bay's'.
The 3 available tones are simply not enough.

We could go for the external contact option and connect some external
horn
but with 16 different tones (as available with the dmcmd horn command)
we
would have enough.

If an external horn would be the only option then make/type/supplier for
any
'field proven' horn/buzzer would be highly appreciated.

TIA

Pat Martens
Tot. Raff. Nederland N.V.



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=20
=20
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This mailing list is neither sponsored nor endorsed by Invensys Process
Systems (formerly The Foxboro Company). Use the info you obtain here at
your own risks. Read http://www.thecassandraproject.org/disclaimer.html
=20
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=20
 
 
_______________________________________________________________________
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Systems (formerly The Foxboro Company). Use the info you obtain here at
your own risks. Read http://www.thecassandraproject.org/disclaimer.html
 
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