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<== Date ==> <== Thread ==>

Subject: RE: Any modern solution besides the TVs and EPICS alarm handler ?
From: "Rinehart, Garrett" <[email protected]>
To: "Kate Feng" <[email protected]>
Cc: <[email protected]>
Date: Tue, 4 Mar 2003 10:39:32 -0600
> > One feature of ALH is that it can write the severity of an alarm
group
> > to a specified PV. 
> 
> I  guess the dedicated monitor is an X-terminal  instead of being
> controlled by an IOC. ???  Is the sound generated by the monitor
> lound enough to be herad in  your control enviorment.

You can also write a PV to an output that would drive a buzzer, bell,
horn, siren, lights, etc. You could construct an indicator panel with
anything from LEDs to strobe lights and sirens, if you wanted to.

Better yet, let the ioc handle it directly with a clever database
instead of going through ALH. That way you wouldn't have to worry about
ALH being closed and your alarms being disabled. 
 
We used to have scan-converter boxes made by ADDS (about 100 years ago).
We would write to them via the serial ports on an ioc and they'd put
text out in NTSC video. They could only do text, but they could make it
flash for alarms. If you want to go with the TVs, I'd suppose someone
makes the modern equivalent of these boxes.

Garrett Rinehart
Control and Data Acquisition System Manager
Accelerator Operations Group
Intense Pulsed Neutron Source
Argonne National Laboratory
9700 S. Cass Ave
Argonne, IL, 60439
630-252-6561
[email protected]


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