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Gantry with Dual Y-Motors mos-assigning signals
7 years 4 months ago #136688
by naja452
Gantry with Dual Y-Motors mis-assigning signals was created by naja452
I'm setting up a router with dual Y Motors. I've followed this guide on how to setup multiple joints on a single axes.
forum.linuxcnc.org/49-basic-configuratio...-linuxcnc-2-8-master
motors setup as such:
joint0 - X
joint1 - Y
joint2 - YY
joint3 - Z
I've done it to a T, and get no errors, but when I jog the z axis, it jogs joint 2 instead of 3 as it should.
My configs are attached, thanks!
forum.linuxcnc.org/49-basic-configuratio...-linuxcnc-2-8-master
motors setup as such:
joint0 - X
joint1 - Y
joint2 - YY
joint3 - Z
I've done it to a T, and get no errors, but when I jog the z axis, it jogs joint 2 instead of 3 as it should.
My configs are attached, thanks!
Attachment not found
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7 years 4 months ago #136690
by dgarrett
Your ini file sections that specify coordinates not consistent.
Try:
See:
linuxcnc.org/docs/master/html/getting-st..._axes_specifications
Notes:
1) [TRAJ]AXES= item is not used in this 2.8~pre nor in master branch
2) Problems like this are easier to see/understand/debug by specifying
kinstype=both to clarify distinctions of joints (pre-homing) and
axes coordinates (post-homing):
3) there may be other problems but not visibile without seeing all hal files
Replied by dgarrett on topic Gantry with Dual Y-Motors mos-assigning signals
Code:
[TRAJ]
AXES = 3
COORDINATES = X Y Z
...
[KINS]
JOINTS = 4
KINEMATICS = trivkins coordinates=XYYZ
Your ini file sections that specify coordinates not consistent.
Try:
Code:
[TRAJ]
COORDINATES = XYYZ
See:
linuxcnc.org/docs/master/html/getting-st..._axes_specifications
Notes:
1) [TRAJ]AXES= item is not used in this 2.8~pre nor in master branch
2) Problems like this are easier to see/understand/debug by specifying
kinstype=both to clarify distinctions of joints (pre-homing) and
axes coordinates (post-homing):
Code:
[KINS]
JOINTS = 4
KINEMATICS = trivkins coordinates=XYYZ kinstype=both
3) there may be other problems but not visibile without seeing all hal files
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7 years 4 months ago #136758
by naja452
Replied by naja452 on topic Gantry with Dual Y-Motors mos-assigning signals
That doesn't jive with that other guide, but it does make sense, I'll try that this afternoon!
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