A tale of woe, including carelessness, stupidity and laziness....
paulkoning at comcast.net
Fri Aug 28 07:56:16 CDT 2015
> On Aug 27, 2015, at 7:13 PM, Michael Thompson <michael.99.thompson at gmail.com> wrote:
>> In any case, RP06s use three phase power. The issue wasn't the power in
>> this particular story, but rather the ground wire (the green "protective
>> ground" that isn't supposed to carry current at all under normal operation).
> Not exactly true. RP06 drives are typically connected to 3-phase power, but
> only use two of the three phases. I have and RP06 running at home on
> 110/220VAC 2-phase.
That's interesting. I was told that an RP06 requires attention to the correct phase connections or it will attempt to spin in the wrong direction, implying that it uses a 3 phase spindle motor. Or perhaps that was a different RPnn? Or perhaps it was simply an urban legend?
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