Lichuan 4 axis stepper need help-
- NWE
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05 Feb 2026 07:53 #342455
by NWE
Replied by NWE on topic Lichuan 4 axis stepper need help-
It moved!
I only tried the second motor yet with my finger on the shaft
halcmd: setp lcec.0.0.1-target-position 0
halcmd: setp lcec.0.0.1-target-position 20
halcmd: setp lcec.0.0.1-target-position 0
halcmd: setp lcec.0.0.1-target-position 20
halcmd: setp lcec.0.0.1-target-position 0
halcmd: setp lcec.0.0.1-target-position 20
each time I felt a twitch
Now I better grab some sleep
I only tried the second motor yet with my finger on the shaft
halcmd: setp lcec.0.0.1-target-position 0
halcmd: setp lcec.0.0.1-target-position 20
halcmd: setp lcec.0.0.1-target-position 0
halcmd: setp lcec.0.0.1-target-position 20
halcmd: setp lcec.0.0.1-target-position 0
halcmd: setp lcec.0.0.1-target-position 20
each time I felt a twitch
Now I better grab some sleep
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- Hakan
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05 Feb 2026 07:55 #342456
by Hakan
Replied by Hakan on topic Lichuan 4 axis stepper need help-
Nope, design a machine instead.
The following user(s) said Thank You: NWE
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- rodw
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05 Feb 2026 08:14 #342457
by rodw
Replied by rodw on topic Lichuan 4 axis stepper need help-
found it! I hope. More in a minute!
@hakan Yes, I experimented until I got a max velocity of 2000 mm/min which was roughly 400 rpm! So no fb when homing is not fixed. That I want to sort out. I'll stay on this config until I work this drive out
@NWE In the windows config program Plug it into the USB on the drive. It is safe to leave plugged into Linuxcnc (check thw com port in Device manager) before ruunning the software.
There was a setting #25 PA_055 "The percentage unit of current of the lock machine" was set to 40%. Changed it back to 100%
I had previously set the current #21 PA_051 to 2 amps (2000 mA) so it did not have much) So now I will play with max velocities now to confirm its what I think it is.
@hakan Yes, I experimented until I got a max velocity of 2000 mm/min which was roughly 400 rpm! So no fb when homing is not fixed. That I want to sort out. I'll stay on this config until I work this drive out
@NWE In the windows config program Plug it into the USB on the drive. It is safe to leave plugged into Linuxcnc (check thw com port in Device manager) before ruunning the software.
There was a setting #25 PA_055 "The percentage unit of current of the lock machine" was set to 40%. Changed it back to 100%
I had previously set the current #21 PA_051 to 2 amps (2000 mA) so it did not have much) So now I will play with max velocities now to confirm its what I think it is.
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05 Feb 2026 08:43 #342458
by Hakan
Replied by Hakan on topic Lichuan 4 axis stepper need help-
Are the settings only possible through their software?
There are no SDOs for setting such things? Like Rtelligent has?
There are no SDOs for setting such things? Like Rtelligent has?
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05 Feb 2026 09:09 #342459
by rodw
Replied by rodw on topic Lichuan 4 axis stepper need help-
Yes there is. I will load the sdo docs on my NAS later, Seems like the app gives you access to all the SDOs and you can save them to a text file for later reimport so if you had a few of these drives it would be easy. The sdo docs sometimes have a better description. You could make these settings from the command line using the ethercat app without putting in your XML. They show as bring Read/Write so hopefully they can be accessed when homing.eg reduce motor power when homingAre the settings only possible through their software?
There are no SDOs for setting such things? Like Rtelligent has?
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