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  • spumco
  • spumco
23 Sep 2025 14:26
Replied by spumco on topic G33.1 synchronized tapping problem

G33.1 synchronized tapping problem

Category: General LinuxCNC Questions

Spumco hasn't said anything since... 

I've been on an LCNC hiatus for 6 months due to some other work eating up all my free time.

I've still not gotten the new spindle motor completely hooked up and tested, much less tried Aciera's fix.  Hoping to get back to it in the next month or so now that the outside work has finished.
  • ckuecker
  • ckuecker
23 Sep 2025 14:03
Replied by ckuecker on topic EasyProbe error

EasyProbe error

Category: pyVCP

I found the probe signal problem and got the EasyProbe screen to come up.
Something is still wrong - clicking any probe button gives an error:
EOF in file: /usr/share/axis/images/axis.ngc seeking o-word: 0<probe_x_minus> from line: 0
I also do not have the Probe Signal LED working. So, my "fix" of the probe input error must have broken something that does not cause an error message on startup.
  • peterpan
  • peterpan
23 Sep 2025 13:25
Replied by peterpan on topic Trouble with Cia402 drive configuration

Trouble with Cia402 drive configuration

Category: EtherCAT

It also gives the following error when I press the home button:
"emc/task/taskintf.cc 976: Error on joint 0, command number 74"
if that helps at all...
  • peterpan
  • peterpan
23 Sep 2025 13:22
Replied by peterpan on topic Trouble with Cia402 drive configuration

Trouble with Cia402 drive configuration

Category: EtherCAT

I made sure that they agree.

Do you know what
[69236.509163] EtherCAT 0: Slave states on main device: PREOP, OP.
[69240.307732] EtherCAT ERROR 0-3: Failed to set SAFEOP state, slave refused state change (PREOP + ERROR).
[69240.309731] EtherCAT ERROR 0-3: AL status message 0x001E: "Invalid input configuration".
[69240.311730] EtherCAT 0-3: Acknowledged state PREOP.

"(PREOP + ERROR) could be caused by? or "Invalid input configuration"?

Also, did you take a look at the .hal and .ini file? There are a few things in the .hal file that I don't know the purpose of, yet LinuxCNC doesn't run without them, so I'd appreciate an explanation of why they're necessary-if you're willing.
  • Aciera
  • Aciera's Avatar
23 Sep 2025 13:22 - 23 Sep 2025 13:31
Replied by Aciera on topic Setting up kinematics for my Ballscrew articulated B-axis

Setting up kinematics for my Ballscrew articulated B-axis

Category: Basic Configuration

Personally I would suggest tp use the .comp format:

linuxcnc.org/docs/2.9/html/man/man9/userkins.9.html

But regardless,
Forward kinematic uses the joint positions to calculate the cartesian coordinate positions 
Inverse kinematic uses the cartesian coordinate positions (ie the position commands of the motion planner) to calculate the joint positions (ie basically the commands that get sent to your motor drives)

One needs to be the mathematical inverse of the other (otherwise the values will run off and you will get limit violation errors)
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