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Use 0-10V + dir on 7i77 instead of +-10V out
8 years 1 month ago #118071
by xaxxes
Replied by xaxxes on topic Use 0-10V + dir on 7i77 instead of +-10V out
Thank you.
I changed the code.
Now i have a other problem:
I've tried to tune the motor but i get an following error if i set PID P= 0,05, 1, 20, or 100 or something else. And when i set P=0,00005 or something like this, the motor hold the position, but vibrates extremely.
Can this issue came from the direction signal? I've connected the mesa output directly to the servo input and the input on the servo works. Maybe is the input of the servo too slow?
I changed the code.
Now i have a other problem:
I've tried to tune the motor but i get an following error if i set PID P= 0,05, 1, 20, or 100 or something else. And when i set P=0,00005 or something like this, the motor hold the position, but vibrates extremely.
Can this issue came from the direction signal? I've connected the mesa output directly to the servo input and the input on the servo works. Maybe is the input of the servo too slow?
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8 years 1 month ago #118103
by andypugh
Replied by andypugh on topic Use 0-10V + dir on 7i77 instead of +-10V out
If it holds but vibrates, try an even smaller number.
What is the value on the pid.L.error pins? If you need a very small P then this might indicate that the scaling on the feedback input is unusual.
Is there any chance that the spindle drive is configured or 4-20mA operation?
What is the value on the pid.L.error pins? If you need a very small P then this might indicate that the scaling on the feedback input is unusual.
Is there any chance that the spindle drive is configured or 4-20mA operation?
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