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Old January 19th, 2020, 06:05 AM   #5
geofftheelectrician
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Join Date: Jan 2016
Location: London, ON Canada
Posts: 30
Thanks Ken, To get it out of the way first, yes a DC braking resistor is installed and correctly sized for the drive.

We never thought of DC bus regulation being a possible culprit. Thanks for the pointer and reference to the knowledge base. I’m off to read that with my morning coffee and we will look at that first thing in the morning Monday as we have a few hours of production backed out of the schedule because the production lines were overhauled as well over the last few weeks.

Cheers.
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