> Date: Sun, 24 Mar 2013 13:01:22 -0400
> To: [email protected]
> From: [email protected]
> Subject: [Emc-users] making spindle-at-speed work
>
> After several hours of trying to make Spindle-at-speed work as set up
> with stepconfig I finally figured out that the custom_postgui.hal
> file that stepconfig builds has a built-in error. The file compares
> spindle velocity before scaling and before the absolute value is
> taken with the spindle commanded speed which is in filtered absolute
> rpms. This will of course only result in a spindle-at-speed signal
> when both the command and the velocity are at zero.
>
> The fix is shown below. You need to delete or comment out the
> spindle-velocity input to near.0.in2 and replace it with
> spindle-fb-filtered-abs-rpm so that the values being compared are in
> the same units.
>
> I hope this helps anyone trying to make the spindle-at-speed signal work.
>
> Cecil
>
> Gedit the custom_postgui.hal file thusly:
>
> # **** set up spindle at speed indicator ****
>
> net spindle-cmd => near.0.in1
>
> #****DELETE or COMMENT OUT THIS LINE!!!!
> #net spindle-velocity => near.0.in2
>
> #*****USE THIS LINE INSTEAD!!!!!!!
> net spindle-fb-filtered-abs-rpm => near.0.in2
>
> net spindle-at-speed <= near.0.out
> setp near.0.scale 1.500000
> net spindle-at-speed => pyvcp.spindle-at-speed-led
> ------------------------------------------------------------------------------
Cecil
What version of linuxcnc are you using?
Could you post your stepconf file?
Thanks
Chris M
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