150 and 175 kHz selectable

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150 and 175 kHz selectable

Postby alex_s » Mon Oct 30, 2017 11:12 am

Hi,

i have the problem that 100kHz is to slow and 200kHz is right at the edge on puls with 2.5.
would it be easy possible to include 150 and 175kHz as available rates ? then there would still be some margin :D

best regards
Alex
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Re: 150 and 175 kHz selectable

Postby cncdrive » Mon Nov 06, 2017 4:01 pm

Hi,

How did you determinate that the 200kHz kernel frequency is too much?
I mean did you try to set the kernel frequency to 200kHz, but set the velocity to the level where the steppers of servos you have could still handle the velocity?

I think you should check with some lower velocity setting and 200kHz kernel frequency if the system can handle that or not?
If it can't then really the kernel frequency is too high for the drives, but if the drives can handle the low speed with a 200kHz kernel frequency then just the velocity was too high and not the kernel frequency.

I will ask my API developer collegue about what he thinks about implementing mid-range kernel frequencies like 150kHz.
cncdrive
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Re: 150 and 175 kHz selectable

Postby alex_s » Mon Nov 06, 2017 5:00 pm

Hi,

thanks for looking into it.

BR
Alex
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Re: 150 and 175 kHz selectable

Postby alex_s » Sat Nov 18, 2017 10:37 am

@cncdrive

got any feedback ? :D
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