PnCConf spindle max rpm limit issue

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6 years 7 months ago #161394 by Dex64
Hello

I have 5i25 and 7i77 cards. Now I try to setting spindle in pncconf. My spindle has 24000rpm. How can I add this spindle rpm to configuration ? The limit in pncconf is 10000rpm ( 0-10V). When I change 10k rpm to 24k rpm manually in .ini file it doesn't work.
See attachment :)

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6 years 7 months ago #161395 by cmorley
What version of linuxcnc are you using?
You will have to stick with 10000 and then edit the INI file after.

In the INI file you'll see something like this at the bottom:
Code:
[SPINDLE_0] P = 0.0 I = 0.0 D = 0.0 FF0 = 1.0 FF1 = 0.0 FF2 = 0.0 BIAS = 0.0 DEADBAND = 0.0 MAX_OUTPUT = 10000.0 OUTPUT_SCALE = 10000 OUTPUT_MIN_LIMIT = -10000 OUTPUT_MAX_LIMIT = 10000

Change all (four) of the 10000 to 24000, keep the signs the same as your file.

Chris

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6 years 7 months ago #161396 by cmorley
If your INI is quite different post it please.

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6 years 7 months ago #161397 by Dex64
I will check it soon. Thanks for answer :)

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6 years 7 months ago #161398 by cmorley
I just noticed you didn't select +-10 volt output so this would be they way it should be:
Code:
[SPINDLE_0] P = 0.0 I = 0.0 D = 0.0 FF0 = 1.0 FF1 = 0.0 FF2 = 0.0 BIAS = 0.0 DEADBAND = 0.0 MAX_OUTPUT = 24000.0 OUTPUT_SCALE = 24000 OUTPUT_MIN_LIMIT = 0 OUTPUT_MAX_LIMIT = 24000

I'll increase the limit to 100 000 in the future
Chris

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6 years 7 months ago #161469 by Dex64
I have version 2.7.0. I tried to put settings as You said but it didn't work. Work propertly with settings:

[SPINDLE_9]
P = 0.0
I = 0.0
D = 0.0
FF0 = 1.0
FF1 = 0.0
FF2 = 0.0
BIAS = 0.0
DEADBAND = 0.0
MAX_OUTPUT = 6000.0
OUTPUT_SCALE = 1.0
OUTPUT_MIN_LIMIT = 0
OUTPUT_MAX_LIMIT = 1

When I try to change MAX_OUTPUT = 24000.0 then Linux see still this 6000rpm.
When I set M3 S1000, then spindle has 4000rpm etc....10V at analogout5 is when I set S6000 or more.
I'm beginner in linuxcnc :D Thanks for understanding.

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