Re: [foxboro] System getting hanged

  • From: "Boulay, Russ" <Russ.Boulay@xxxxxxxxxxxxxxxxxxxxxx>
  • To: "foxboro@xxxxxxxxxxxxx" <foxboro@xxxxxxxxxxxxx>
  • Date: Thu, 24 Apr 2014 13:37:17 -0400

When you say lost GPS signal from an AW,  do you mean lost MTK...or are your 
controllers pulsed sync'd thru the GPS hardware equipment?

MTK does broadcast at 10 minute intervals.
This occurs on the 10 minute marks of an hour.....so at 0, 10.20,30 
etc...minutes past the hour.

So 00:00 would have coincided with a broadcast, recovery at 10:00 would have 
been next broadcast.

The effect on your system...i would ask did the time go negative at all from 
its previous reading...



-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On 
Behalf Of RAKESH DASH
Sent: Thursday, April 24, 2014 10:25 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] System getting hanged

Hi,
It so happened that all controllers & workstation lost GPS signal from
AW1001 workstation. This happened at 00:00:00 hrs. During this period the 
historian got hanged & the operator workstation became very slow. The 
synchronisation was back at 00:03:00 & historian came back to normalcy 
automatically by 00:10:00. Can someone suggest if GPS can cause such sort of 
problem ?
Please share ur views. I m stuck & don't know how to avoid it happening again.
Rgds,
Rakes Dash




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