Klopp FA7/810M Retrofit

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15 Mar 2021 18:19 #202383 by klopp
Replied by klopp on topic Klopp FA7/810M Retrofit
net x-enable => [HMOT](CARD0).pwmgen.00.enable

If thats what you mean. HAL file is still the same as in my post yesterday
forum.linuxcnc.org/30-cnc-machines/41573...ofit?start=10#202242

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15 Mar 2021 18:29 #202385 by PCW
Replied by PCW on topic Klopp FA7/810M Retrofit
Can you run these commands (in the directory with the new bitfile)

mesaflash --device ethernet --addr 10.10.10.10 --verify 7i97_7i74D.bit
md5sum 7i97_7i74D.bit

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15 Mar 2021 18:51 #202388 by klopp
Replied by klopp on topic Klopp FA7/810M Retrofit
Redownloaded the file, restartet the pc, ran the command.

Board configuration verified successfully.

Only changed the address in the command as I still have it running on 192.168...

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15 Mar 2021 18:53 #202389 by PCW
Replied by PCW on topic Klopp FA7/810M Retrofit
What was the result of the md5sum command?

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15 Mar 2021 18:56 - 15 Mar 2021 18:58 #202390 by klopp
Replied by klopp on topic Klopp FA7/810M Retrofit
ba7b3977e1a196c1c654f622667ba641
Last edit: 15 Mar 2021 18:58 by klopp.

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15 Mar 2021 19:15 #202392 by PCW
Replied by PCW on topic Klopp FA7/810M Retrofit
OK thats' correct

I dont know when is going on. The analog outputs are set to 0 when
PWM enable is set false (output 4 shows this happening though
it was never enabled)

Is it possible you have a wiring error in one of the analog outputs?
Can you verify that PWM enable 0 is set false when you have a fault condition?

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15 Mar 2021 19:27 #202393 by klopp
Replied by klopp on topic Klopp FA7/810M Retrofit
What would be a fault condition?
Shorting them changes nothing.
Only have my Multimeter and a jumper for the Limit Switch on there, so I dont think any wiring error

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15 Mar 2021 19:32 #202394 by PCW
Replied by PCW on topic Klopp FA7/810M Retrofit
emergency stop or following errors would be fault conditions

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15 Mar 2021 19:36 #202395 by klopp
Replied by klopp on topic Klopp FA7/810M Retrofit
Yes pwmgen.00.enable is switched off upon emergency stop.
When turning back on the machine I get 0V output and value=0, so thats reset

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15 Mar 2021 20:47 - 16 Mar 2021 02:35 #202408 by PCW
Replied by PCW on topic Klopp FA7/810M Retrofit
OK this looks like and actual 7I97 PWM bug when the required PWM inversion is applied I will have a firmware fix for this but it will probably be this evening

The fix will invert the PWM in hardware so the PWM inversion setting in hal will need to be removed:

File Attachment:

File Name: 7i97_7i74D...3-15.zip
File Size:117 KB


This should fix the bad analog value when disabled with PWM inverted issue

(all PWM inversion statements in the hal file must be removed)
Attachments:
Last edit: 16 Mar 2021 02:35 by PCW.
The following user(s) said Thank You: RotarySMP, klopp

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