On Monday 11 November 2013 08:35:30 Viesturs Lācis did opine:
> Hello!
>
> I am trying to help a guy that has retrofitted a lathe to LinuxCNC.
> He has 5i25 + 7i77 cards and 2.5.0 version installed.
>
> The problem is that I cannot figure out, how to get threading to work.
> G76 command will bring the tool along X to proper thread depth and then
> stop. It seems to me that it is waiting for a signal on
> motion.spindle-index-enable.
> That pin is connected to encoder.00.index-enable pin, I checked - there
> is index pulse coming from encoder every spindle revolution, but I do
> not see any pulses in Halscope on index-enable pin.
> I tried playing with index-mask and index-mask-invert parameters, but no
> success.
> This page does not seem helpful, explaining all the details on how to
> set it up:
> http://linuxcnc.org/docs/html/examples/spindle.html#_spindle_enable
>
> I see that reference no:2 at the bottom, but I was not able to find any
> explanation in manual.
>
> I would appreciate, if somebody could share some link, where it is
> explained, how exactly spindle index-enable pin is treated in lathe
> config.
Do you have this in the .hal file?
setp encoder.0.index-enable true
I have two odd lines in my .hal file, without which some of axis won't run:
# required by axis
net dumbsig motion.spindle-speed-out
net spindle-velocity motion.spindle-speed-in
# note, these are signal names both with a source but no "loads" specified.
net spindle-index encoder.0.index-enable
motion.spindle-index-enable pid.0.index-enable
And:
# get spindle encoder outputs
net A-phase encoder.0.phase-A
parport.0.pin-12-in
net B-phase encoder.0.phase-B
parport.0.pin-15-in
net Z-index encoder.0.phase-Z
parport.0.pin-13-in
Cheers, Gene
--
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