Lichuan 4 axis stepper need help-

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8 months 3 weeks ago #342453 by Hakan
rodw, probably a coincidence but 400 rpm = 6,67 rps. 5mm per rev gives 33.33 mm/s which is
awfully close to your MAX_VELOCITY in the ini file.
Happy you got it to work.
I find one learn a lot by messing around and trying to solve issues, real or not.
Here I got to practise setting the controlword manually

Still the issue with position feedback during homing, right?

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8 months 3 weeks ago #342454 by NWE
This is looking better. Now I need to tape flag those motor shafts so I can see if they moved like my terminal claimed. Wait, keyboard's wireless, it CAN reach from my desk to my workbench...

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8 months 3 weeks ago #342455 by NWE
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 sleepimage missing /media/kunena/emoticons/wink.png

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8 months 3 weeks ago #342456 by Hakan
Nope, design a machine instead.
The following user(s) said Thank You: NWE

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8 months 3 weeks ago #342457 by rodw
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.
 
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8 months 3 weeks ago #342458 by Hakan
Are the settings only possible through their software?
There are no SDOs for setting such things? Like Rtelligent has?

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