Mesa 7i92M Support

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9 years 7 months ago #88847 by tuffduck33
Replied by tuffduck33 on topic Mesa 7i92M Support
That makes me feel better. Where do we start?

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9 years 7 months ago #88853 by tuffduck33
Replied by tuffduck33 on topic Mesa 7i92M Support
Is there a way I can send you the files I have?

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9 years 7 months ago #88854 by andypugh
Replied by andypugh on topic Mesa 7i92M Support
Just attach the HAL and INI to a message here.

You said you could jog one axis, if I understand correctly?

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9 years 7 months ago #88857 by tuffduck33
Replied by tuffduck33 on topic Mesa 7i92M Support
I can jog all three axis. Cannot home or run a program. It only works when the charge pump is off.

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9 years 7 months ago #88870 by andypugh
Replied by andypugh on topic Mesa 7i92M Support
To start with the charge-pump:
I think you should have a PWM on the correct pin, but to check.

First open a terminal and clear the dmesg log
Code:
sudo dmesg -c
Now start linuxcnc from the GUI.
Then clear the terminal (or open a new one) and type
Code:
dmesg halcmd show pin halcmd show param
Copy and paste all that output to text file, and attach that to a message here.

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9 years 7 months ago #88898 by tuffduck33
Replied by tuffduck33 on topic Mesa 7i92M Support
Hello, here is what showed on the screen.

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9 years 7 months ago #88902 by andypugh
Replied by andypugh on topic Mesa 7i92M Support
Unfortunately the output of dmesg and the first part of "show pin" has disappeared (probably off the top)
Perhaps do them one at a time.

However, we probably have enough info to activate the charge pump. It needs to be 10 kHz and 50% duty cycle, to add the following to your HAL file (probably at the bottom)
Code:
# G540 Charge Pump setp hm2_7i92.0.pwmgen.00.value 0.5 setp hm2_7i92.0.pwmgen.pwm_frequency 10000 net emcmot.00.enable => hm2_7i92.0.pwmgen.00.enable

That should get the charge pump working.

Does that make sense? It is worth mentioning that emcmot.00.enable is a signal defined earlier in the HAL file, and a) Could be called anything, as long as it has the same name everywhere it is used (and I don't like that name as it looks too much like a "system" name, and it isn't. and b) In modern Linuxcnc the "newsig" command is not needed.

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9 years 7 months ago #88905 by PCW
Replied by PCW on topic Mesa 7i92M Support
The pwmgen is used for the spindle analog output on the G540
The chargepump is fed by a stepgen (stepgen 4 on the first connector)

You can get a clean pin-out of your current config with:

mesaflash --device 7i92 --readhmid

(with the default 192.168.1.121 IP address)

if your 7I92M is set for IP address 10.10.10.10 you would need:

mesaflash --device 7i92 --addr 10.10.10.10 --readhmid

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9 years 7 months ago #88906 by andypugh
Replied by andypugh on topic Mesa 7i92M Support

PCW wrote: The pwmgen is used for the spindle analog output on the G540
The chargepump is fed by a stepgen (stepgen 4 on the first connector)


In that case, ignore most of what I just typed. :-)

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9 years 7 months ago #88907 by tuffduck33
Replied by tuffduck33 on topic Mesa 7i92M Support
Charge pump still a no go. I redid the terminal commands singly and attached the results. I was sent a newer hal and ini from Mesa and have attached them as well.

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