configuration and simple test

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30 Jan 2020 13:59 #156179 by Arro
Replied by Arro on topic configuration and simple test
which wiring were you asking for ?

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30 Jan 2020 14:53 #156181 by Arro
Replied by Arro on topic configuration and simple test
Little bit fine tuning on LinuxCNC and now it's working great !!

You earned a beer :)

Thank you

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30 Jan 2020 16:40 #156186 by Arro
Replied by Arro on topic configuration and simple test
I don't see my last two posts....

anyway it's working fine now, need just a little bit adjustment on the linear moving (LinuxCNC fine tuning)

thanks a lot !!!

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07 Feb 2020 14:50 #156700 by Arro
Replied by Arro on topic configuration and simple test
Hi Peter,
how u're doing so far?

I'm back to you for some regulation of PID controller.

Somehow I got the bigger stepper motor running at 600 RPM approx with good results, anyway not repeatable.

PID-settings are : P=1000, I=D=0

I should be able to let run it at 2000 RPM at least
Tried to adjust the P parameter but it's not working well, the only parameter could help me so far is increasing the acceleration value.

If I introduce a D-factor, the movement is much worse !

Any suggestion for the a good direction ?

Cheers
Aronne

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07 Feb 2020 15:05 #156701 by PCW
Replied by PCW on topic configuration and simple test
The PID settings should be:

P= 1/servo period (1000 for standard 1000000 ns = 1ms servo thread period)
FF1 = 1.000
Everything else 0

These settings are not really something you "tune"

If you used pncconf to set this up those values should already be correct

What actual problem do you have and can you post your current hal and ini files?

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