Hi Jack,
what about inhibiting the flowon alarms?
Like when the pump stops you inhibit the low flow etc with the pump status bit or so.
We here at NZSteel are implementing, where ever we can, an alarm inhibit scheme to the
extent that halve a plant could be inhibited when appropriate. You have to think of a
smart scheme of lifting the inhibit without regenerating nuisance alarms.
There is nothing worse than nuisance alarms from equipment that is turned off or being
started.
I've found that, with a lot of input from operators, you can set up a really good
working alarm inhibit scheme.
Cheers,
Frits Schouten.
BHP-NZSteel.
> -----Original Message-----
> From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
> Sent: Saturday, September 23, 2000 6:25 AM
> To: [EMAIL PROTECTED]
> Subject: Can alarms be grouped to give a single alarm?
>
> I would like to know if alarms from different blocks can be grouped to
> give a single alarm.
>
> For example, a pump stops working. I could get a pump status alarm, a
> lo flow alarm, a hi output alarm, and a hi level alarm. All of these
> alarms represent one condition. Is there anyway to make these give
> just one alarm without using logic blocks all over the place?
>
> Or, if logic blocks are the only way, what is the most efficient way
> to accomplish it?
>
> Or, should I just consider getting rid of some of those alarms?
>
> I looked in B0193RV - Workstation Alarm Management, but didn't see
> anything obvious.
>
> Thanks for the help.
>
> Jack Ziegler
> Sunoco Chemicals
> Frankford Phenol Plant
> 215-537-2422
>
>
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