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Author Topic: PolargraphSD Power Supply
Michael_
Newbie
Posts: 2
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Post PolargraphSD Power Supply
on: August 28, 2017, 17:22
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I've got a stock PolargraphSD which came originally with a 9V 1.5A power supply. Unfortunately someone in my lab left the power supply somewhere else.

Now i've got a 5V 1.5A and a 9V 0.5A power supply. With both the servo does not lift anymore.

What's the maximum voltage of the power supply? May i use a 12V 2.5A, too?

Michael

sandy
Administrator
Posts: 1229
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sandy
Post Re: PolargraphSD Power Supply
on: August 28, 2017, 20:54
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Hi Michael, 12V is ok - you might need to adjust the power setting on the motor drivers (the little screws). https://www.youtube.com/watch?v=xqPWojmU7y4 has some info on it.

That said though, I would have thought both the 5V and the 9V would have powered the servo ok. Are you sure you've got it wired up correctly? http://www.polargraph.co.uk/setup/polargraphsd-connections/ for a guide.

sn

Michael_
Newbie
Posts: 2
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Post Re: PolargraphSD Power Supply
on: August 29, 2017, 10:59
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It works with both power supplies. The connectors were torn out.

sandy
Administrator
Posts: 1229
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sandy
Post Re: PolargraphSD Power Supply
on: August 29, 2017, 22:02
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Aha! Problem partly solved I guess. Can you repair the connectors?

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