Hi,
Just ordered my HobbyCNC board and am getting the supporting components rounded up.
I would like to run the board at 42+volts (45ish) so am considering using a dump circuit to protect the drives.
My steppers are 5.4v at 1.5a is why I wanted to run the volts as high as possible.
Has anyone used a dump circuit with the HobbyCNC board?
Thanks
James
Thread: Dump circuit?
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05-27-2006, 07:33 PM #1
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Dump circuit?
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05-27-2006, 09:26 PM #2
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Jim,
Keep the volts below 40 for good results. That last few volts really won't make any difference in speed.
HobbyCNC.com
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05-27-2006, 10:03 PM #3
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Will do then.
Thanks
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07-06-2006, 06:09 PM #4
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Voltage reduction
I'm I rookie, & in the process of collecting parts for my machine including a commercial 48V PSU + I've pretty much decided to use the Hobbycnc board. So here is my rookie question (proably the first of many)
Following your comments about keeping the voltage under 40, how can I "adjust" the voltage downward? I can solder & have a basic understanding of components if that helps.
Thanks
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