Fried drive - CNCzone.com-The Largest Machinist Community on the net!

Don C · #1 05-24-2004, 07:46 PM

I fried my drive and don't know why. I have a 1.6 v 4.7A motor. I have a 1002K resistor and 33v power supply. I hooked the motor up 1/2 winding and smoked my drive Why?
Thanks
Don C.

balsaman · #2 05-24-2004, 09:56 PM

You may want to email Marris of Geckodrive. I am sure he can help you.

Eric

Don C · #3 05-24-2004, 10:12 PM

Thanks, Don C

Dan Mauch · #4 06-14-2004, 11:57 AM

If that isn't a typo a 1002K is to large a value which is probably why you burnt out the drive. For a motor rated at 4.7A ( usually the unipolar rating) should be about .71X4.7=3.29A if the motors is connected to the G201 in the bipolar series configuration. The resistor should have be about 39K

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