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June 2015

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Subject:
From:
Joyce Koo <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Fri, 5 Jun 2015 23:12:56 -0400
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text/plain
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you need UPS... depend upon how often and how critical and how much impact
on your production line....vs delivery date, contractual agreement,
etc.etc.  you have to justify to the high level.
            jk
> All:
>
>
> In our geographic region we have continued problems with electrical
> voltage
> "drop outs". Power will inadvertently and in an unplanned fashion dip (not
> related to other loads in the factory coming on board) and then recover in
> less than a few seconds.
>
> We have tried power monitoring equipment to try and "catch" these low
> voltage swings to see when an event happened but with no success as the
> frequency of occurrence is small and the period between them can be
> months.
>
> That being said we have lost several boards on different equipment
> including controller boards on our PnP equipment and fans on ovens. Our
> sneaking suspicion is that it is somehow linked to drop in voltage
> (messing
> up the print, errors on machines, etc).
>
> Has anyone experienced similar voltage surges or dips? What types of
> protection strategies or equipment have you found to be worthwhile in
> protecting the electronics on the equipment?
>
> Thanks
>
> --
> Bob Wettermann
>
>
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