Re: [CAD_CAM_EDM_DRO] Re: brushless servos without hall commutation

Eric Keller wrote:

>I can't imagine how you would fake halls. Your best
>bet may be to put halls on. I have never seen a
>brushless motor with an encoder but without halls, for
>my education could you give a brand and model?
>

Sure. All Yaskawa servos, like the SGMP series, use a 3-channel
encoder. Instead of the usual ABZ encoder channels, the 3rd
channel has pulses like the other two, and the phase relationship
tells it what hexant (?) of the rotation it is in.

Jon