> Is anyone else able to reproduce this behaviour?
$ wget www.panix.com/~dgarrett/stuff/arc.tgz
$ tar xzf arc.tgz
$ cd arc
1) start from command line
$ linuxcnc arc.ini
2) Initialize
F1 ---------- Machine on
F2 ---------- Estop off
Ctrl-HOME --- Home all
# Display shows one turn spiral
3) Examine residual settings after homing:
(too small to be visible on display)
# example:
$ halcmd show pin axis.[xyz].pos-cmd
Component Pins:
Owner Type Dir Value Name
23 float OUT 2.569163e-08 axis.x.pos-cmd
23 float OUT 2.845021e-09 axis.y.pos-cmd
23 float OUT 2.569163e-08 axis.z.pos-cmd
4) r ----- Run program
# observe errant linear (z) move, no spiral
5) r ----- Run program
# observe correct execution of circle at z=-1
6) Start over: repeat 1),2),3) (at home position)
7) Ctrl-R ---- Reload program
# note display shows the incorrect errant linear move only
Notes:
a) not reproducible if all joints set immediate homing
as there are no residual position errors
--
Dewey Garrett
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