X axis issue 7I96s

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09 Jun 2024 20:41 #302706 by Streng123
X axis issue 7I96s was created by Streng123
Hello,

This is my first time using Linux cnc as well as a mesa board. I have a plasma table I built that i'm upgrading from an arduino. I'm using open loop stepper motors. When i set up my mesa 7I96s using pncconf i get my y and z axis to run great, my x does not. If i call my x axis Y, it will run just like it should. When I tell the config it is controlling the x axis, the motor does not run smooth and when coming to a stop it goes back the other way and then shudders. I'm lost as to whats happening. Does anyone have experience with this issue?

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09 Jun 2024 20:49 #302708 by PCW
Replied by PCW on topic X axis issue 7I96s
Can you post you current hal/ini files?
 

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09 Jun 2024 23:37 #302721 by Streng123
Replied by Streng123 on topic X axis issue 7I96s

File Attachment:

File Name: my_LinuxCN....pncconf
File Size:363 KB

File Attachment:

File Name: shutdown.hal
File Size:0 KB

File Attachment:

File Name: custom_postgui.hal
File Size:0 KB

File Attachment:

File Name: custom.hal
File Size:2 KB

File Attachment:

File Name: my_LinuxCN...hine.hal
File Size:8 KB


Thanks for the reply!
Let me know if these arent the right files
Attachments:

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10 Jun 2024 00:09 #302723 by tommylight
Replied by tommylight on topic X axis issue 7I96s
The ini file is missing

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10 Jun 2024 00:26 #302725 by Streng123
Replied by Streng123 on topic X axis issue 7I96s
 

File Attachment:

File Name: my_LinuxCN...hine.ini
File Size:4 KB
Attachments:

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10 Jun 2024 03:43 - 10 Jun 2024 03:45 #302737 by PCW
Replied by PCW on topic X axis issue 7I96s
I don't see anything obvious different about X but if you have poor network latency
(as suggested by the 1.5 ms servo thread period) you might try changing:

setp hm2_7i96s.0.dpll.01.timer-us -50

to:

setp hm2_7i96s.0.dpll.01.timer-us -200
Last edit: 10 Jun 2024 03:45 by PCW.

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10 Jun 2024 10:17 #302747 by Streng123
Replied by Streng123 on topic X axis issue 7I96s
I will give that a shot, thanks!

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16 Jun 2024 22:37 #303135 by Streng123
Replied by Streng123 on topic X axis issue 7I96s
Well i finally had time to get after it this weekend. I had my boot usb in the back of my pc so i was resetting it up every restart. removed that and did another set up. after a bit of tuning its running like a champ in all axis. I did change the timer and it seems like some of the other errors i was having went away as well.

Thanks for all the help!

onto the next roadblock..

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