Re: Re: G92 was Re: another EMC Glitch?

Thanks Keith. I'll keep you in mind when I finally write the offsets
page.

Ray

>    From: "Keith Rumley" <DSCadCam@...>
> Subject: Re: G92 was Re: another EMC Glitch?
>
> Ray, Les, etc,
>
>    I found the G92 set/reset method in my BDI2.04 setup odd, so I
> stopped using G92 altogether. Instead, G10 suffices, and coordinates
> are WYSIWYG. It has been reliably working for the past 6 mo.+
>
> How I use it: (example for G54 space)
>
> MDI:  G10 L2 P1 x0 y0 z0
>
>  EMC then displays the offset in relation to absolute 0,0,0.
>  If it doesn't, I'm not in 'P1'(G54) and have just reset some other
> coordinate system :)
>
>  Give the command again but insert those offsets...(using arrow keys to
> backspace and re-use command....)
>
> MDI: G10 L2 P1 x-12.2456 y-1.5678 z1.450
>  Display/Coordinate system is now zero-ed.
>
> P1 through P9 correspond to coordinate systems G54-G59.3
>
> G92 offset affects all coordinate systems, and G10 doesn't change that.
> Hence my G92
> .var file offsets are set to 0 and left there.
>
> When starting up the machine, I hit F6 to reset after running the
> initial home routine (For some reason the ini default G-codes aren't
> read at first), then switch out of G54 and back in again to get my axis
> presets back. Switching in and out of the coordinate system is what
> gets EMC to check my .var file again..
>
> - Keith
>
> (It is possible to figure out from the machine coordinates what to
> enter into the G10 command the first time, but in practice it's faster
> this other way)