Re: EMC steps/rev calibration

Steve:

I thought of that, and have tried the INPUT_SCALE setting with
4x2500=10000 as well. EMC hangs with that setting.

Thanks,

r

--- In CAD_CAM_EDM_DRO@y..., "stephen_stallings" <stevesng@n...>
wrote:

> Hi nahydro,
>
> You described your encoders as 500 cpr, which refers to
> counts per revolution. Encoder manufactures rate the
> counts as the number of pulses generated per revolution.
> The Gecko, and most circuits used with CNC, decode in
> quadrature mode. This results in one increment for each
> pulse edge or four times the CPR rating. This could be
> cause of your 1.25 turns instead of 5 turns at the motor.
>
> Steve Stallings
> www.pmdx.com
>
> --- In CAD_CAM_EDM_DRO@y..., "nahydro" <r_fl_z@h...> wrote:
> >
> > Alan:
> >
> > Thanks for trying. I wish it was as simple as mis reading the
> jumper
> > setting. I've tried all four positions, and am convinced I have
> that
> > part right.
> >
> > I am now running the G340 at 1x, 500 cpr encoder, and 5 tpi
> > screw...which should make INPUT_SCALE 500*5 or 2500. I am using
> > steppermod. A one inch jog results in the motor turning about

1.25

> > revs instead of 5.
> >
> > I've pasted the relavent emc.ini for the first axes below for
> > reference. If something is wrong with it, I can't see it. Is it

time

> > for DOS?
> >
> > TIA
> >