On Tue, Jan 2, 2018 at 10:26 AM, Eric Keller <eekel...@psu.edu> wrote:

>
> The Huan Yang line of VFDs sold on ebay feature a 4kw version that will
> run off of single phase.  The only problem with them is lack of braking on
> some models.  The Mach crew have figured out the modbus connections. About
> $200.
>

I'm told that the HY vfd's that don't have provision for braking are the
counterfeits, according to someone on CNCzone.  I believe it, there is a
pretty big difference in quality in the boards people have posted pictures
of online.
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