Mesa 7i96 + 7i85s PWM VFD Control

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2 years 10 months ago #288218 by PCW
That suggests that the PWM value or enable are not connected in your hal file

A easy way to check is to start LinuxCNC, run your MDI command to start
the spindle and then run this command in a terminal:

halcmd show all | grep pwm > pwm.txt

and post the pwm.txt file here

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2 years 10 months ago #288225 by Redneck92
I will give that a try net week.
My Thin Client PC just shit it's pants again as we speek.

Turns out these Esprimo Mini PC's have bad Problems with the internal power supply. Switching to an Dell optiplex now.
F*cks me up bad this Situation.

I'll report back when it is up and running again

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2 years 10 months ago #288785 by Redneck92
Hello Mister PCW

That grep command did not work for me. I manually collected all data that is about the spindle or the pwm gen.
I hope that this is of use.

It says that the "bit Spindle enabled" is FALSE. but I cant see any Problem.

I attach my hal file aswell.

Thank you in advance as always.

 

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2 years 10 months ago - 2 years 10 months ago #288789 by PCW
bit FALSE spindle-enable
==> hm2_7i96.0.pwmgen.00.enable
==> hm2_7i96.0.ssr.00.out-01
==> pid.s.enable



The PWM enable is not true so no PWM output would be expected


EDIT: Your hal file appears to be missing:

net spindle-enable => spindle.0.on

also:

net spindle-vel-cmd-rpm => hm2_7i96.0.pwmgen.00.value

should be:

net spindle-vel-cmd-rpm-abs => hm2_7i96.0.pwmgen.00.value
Last edit: 2 years 10 months ago by PCW.

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2 years 10 months ago #288815 by Redneck92
Good Morning Mister PCW,

that actually did the trick. Its working now how it should.

I´m so grateful for your help and support. I would not have get this running without your help.

I don´t know how to thank you enough for the help. Is there a way I can send you a few bucks for your time and effort?  
 
The following user(s) said Thank You: tommylight

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