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General Mach Discussion / Re: Noise Problem on a large machine
« on: November 07, 2014, 04:55:17 PM »
make sure that the earth/common is sunk to ground from the machine to where the power comes into your shed if not whack a earth stack in (very important)
it sounds like a big power draw have computer and screen on its own power supply
there is a white paper written on common/shield connections where you have low and high on there own star 10mm apart it makes a differences tried it my self
also check with the manufacturer of your VFD some are meant to have shield connected at each end
above are things I have done and they worked
it sounds like a big power draw have computer and screen on its own power supply
there is a white paper written on common/shield connections where you have low and high on there own star 10mm apart it makes a differences tried it my self
also check with the manufacturer of your VFD some are meant to have shield connected at each end
above are things I have done and they worked