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09-03-2017 #14
It must have been noise from servos or VFD and improper grounding. That was mu conclusion, though i have grounded everything perfectly fine in my opinion. And still had problems.
yes, 100% you have to EMI protect the Board to Drive wires. maybe that will solve the issue. Try passing a separate wire from PC body to board ground or box ground/ not VDC-/. Same to VFD if you have connected / PC to VFD/. Watch VFD revolutions with spindle turned ON and you will see if that makes effect, speed will rise.
My advice is to buy the 4 axcis DDCSV controller in the future and use that in Cheap machines. Send the Pokeys back to them for refund if you can not solve it.
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