Connecting my 7i96s to the VFD

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1 year 1 month ago #334418 by PCW
Replied by PCW on topic Connecting my 7i96s to the VFD
With Linuxcnc running and a  S1000M3 MDI command executed,
 what does:

halcmd show all | grep pwm

report?

(halcmd typed in a terminal window)

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1 year 1 month ago #334419 by Milkof
Replied by Milkof on topic Connecting my 7i96s to the VFD
It is ok?
Milko 

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1 year 1 month ago #334427 by PCW
Replied by PCW on topic Connecting my 7i96s to the VFD
Thats with the spindle off


What I wanted wanted spindle on at 1/2 speed:
 s1000m3

and then the voltage measured

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1 year 1 month ago #334433 by Milkof
Replied by Milkof on topic Connecting my 7i96s to the VFD
 

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Hi, above the picture.
with s1000m3 5 volts
with s2000m3 10 volts.
Why is s2000 already at maximum? How do I ratio 2000 to 24000 rpm?
So it seems to work?
So the problem seems to be in the VFD?
Thanks
Milko

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1 year 1 month ago #334434 by PCW
Replied by PCW on topic Connecting my 7i96s to the VFD
If 24000 RPM is the maximum spindle RPM at 10V, then in the .ini file:

[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 = -24000
OUTPUT_MAX_LIMIT = 24000

Do you have a link to the VFD manual?

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1 year 1 month ago #334437 by Milkof
Replied by Milkof on topic Connecting my 7i96s to the VFD
Hi,
I looked for a way to reset the VFD at the link below, but I couldn't find it. Thank you so much for your help.
Milko


share.google/KEIbyk4YFMFFaMgyR

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1 year 1 month ago #334438 by PCW
Replied by PCW on topic Connecting my 7i96s to the VFD
I would look carefully at page 20 especially the settings for P07.08

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1 year 1 month ago #334440 by Milkof
Replied by Milkof on topic Connecting my 7i96s to the VFD
Hi,
I set the parameter to 3.
I'm starting to suspect that if I set values ​​above S2000, the VFD was running at maximum.
Tomorrow I'll make the corrections to the INI file and try.
Thanks and have a good evening.
Milko

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1 year 1 month ago #334442 by PCW
Replied by PCW on topic Connecting my 7i96s to the VFD
Yes if the PWM scale is set for 2000, any PWM value greater than or equal to
2000 would result in a 10V output

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1 year 1 month ago #334479 by Milkof
Replied by Milkof on topic Connecting my 7i96s to the VFD

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Hi,
I'm manually adjusting the max_output values ​​and the others now, but if I wanted to do everything in pncconfig, where can I find these values?
Thanks.
Milko

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