Machine and Linuxcnc not communicating

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25 Apr 2018 22:25 #109618 by javelin
Maybe someone can point me in the right direction. Yes I am brand new to this so its probably something simple.

I used Pncconfig to get a machine configured and once done I can start up linuxcnc. I then toggle the machine power (F2) to begin trying to test the machine yet nothing happens. For example, if I attempt to job any axis it will show on the live plot that it is moving but on the actual machine there is nothing.

I also checked my limit switches and through the hal show there is nothing despite me holding a piece of metal up to a switch and getting the LED light to light up on the switch iteslf. This may be a separate issue than the axis not jogging.

Any ideas of where to point me on hunting down solutions on this not communicating?

Thanks

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25 Apr 2018 22:31 #109620 by tommylight
On the second screen in Pncconfig untick the "create simulated something or another".
Do you have Mesa cards? If not, run the Stepconfig wizard.

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26 Apr 2018 00:20 - 26 Apr 2018 00:21 #109624 by javelin
I unclicked it and nothing. But yes I am using a 7i76e.
Last edit: 26 Apr 2018 00:21 by javelin.

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26 Apr 2018 01:04 #109625 by PCW
If you are running a pncconf created configuration for the 7I76E
and you can jog the axis without error, you _are_ communicating.

can you post the results of running

halcmd show all > all.txt

when linuxcnc is running

(post all.txt here)

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26 Apr 2018 17:14 #109673 by javelin

File Attachment:

File Name: halcmd.txt
File Size:28 KB


At this point the physical machine will not move on any axis despite the software showing that it is. I as thinking I may be in some kind of mode where its software only, or..... I really screwed something else up.

I am back to playing with it today. I will let you know if I discover what happened. If you could take a quick look at the txt file I attached you may can spot what I have done, or not done.

Thanks
Attachments:

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26 Apr 2018 17:33 #109676 by PCW
You have quite short step time settings (1 usec) most step drives will not even see step pulses this short.

I would set the step times to 5 usec and see if that makes a difference

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26 Apr 2018 17:59 #109678 by javelin
That did it! Thanks again for your help. Its at a snails pace but thats all fine for now. Im glad to see it moving.

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