2009/10/12 Hubert Bahr <h...@hbahr.org>:
>
> I measured the voltages across the potentiometers on both my X2 and X3
> they are both Harbor Freight machines.  The X2 about 15 months old and
> the X3 about 6 months old.  The X2 had 12 volts on P1, varying
> proportional to increasing speed on P2 relative to P3.   The X3 had 7
> volts on P3,  varying proportional to increasing speed on P2 relative to
> P1.  So both look like they can be controlled by the VFD outputs of the
> Gecko G540.

Did you check the voltage from P1/P2/P3 to the Gecko output 0V?
I feel like a stuck record here, but please check that it isn't the
100V that my controller has.
If the Gecko output is an isolated source then all is well, but in
this case "opto isolated" does not mean the same thing as "isolated"

-- 
atp

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