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MESA 5I25 7I77 CAN DRIVE THIS MOTORS??

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06 Jun 2017 14:24 #94166 by Yannis
Replied by Yannis on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??
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06 Jun 2017 14:24 #94167 by Yannis
Replied by Yannis on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??
is this of any use?

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06 Jun 2017 18:21 #94190 by Todd Zuercher
Replied by Todd Zuercher on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??
Not much. What's up with the broken f-error trace on the 3rd and 4th screen shots?

Change channel 3 to "axis.0.joint-vel-cmd" and set the trigger to channel 3.

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06 Jun 2017 18:29 #94191 by tommylight
Replied by tommylight on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??


output_scale should be left at 10
are you sure you have 200 PPR encoders? sorry if i missed it.

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06 Jun 2017 18:35 #94192 by Yannis
Replied by Yannis on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??
Hi
i manage to drive the motor with speed7500mm/min in my the maximum setting
the p is1.75 and when i try to increase i have vibration of the motor and drive fault
the ff1 is 0.038 and if i try to increase i have joint error so my question is is there normal or average numbers for that
or every system have different configuration?

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06 Jun 2017 18:56 #94193 by Yannis
Replied by Yannis on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??
hi my encoders is 2000ppr

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06 Jun 2017 20:31 #94200 by tommylight
Replied by tommylight on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??

hi my encoders is 2000ppr


In that case you have the encoder_scale wrong also, it should be the encoder counts per unit (mm or inch)X4, so stop tuning and fix those, everything you change will have a major impact in the tuning.
forum.linuxcnc.org/10-advanced-configura...ning-detailed-how-to

gnipsel.com/linuxcnc/tuning/servo.html

But first make sure you have those settings right.

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06 Jun 2017 20:46 #94201 by Todd Zuercher
Replied by Todd Zuercher on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??
Now, Tommy don't confuse the poor guy further. His encoders are 2000 pulses/motor revolution but through belt reduction and his ball screw he has 10mm of travel/motor rev.. (I think 800 is right with x4 quad.)
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06 Jun 2017 23:22 #94208 by tommylight
Replied by tommylight on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??
Thnx Todd, i was sure i missed something earlier, to much to do, not enough time!
Sorry for the confusion.

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07 Jun 2017 04:59 #94212 by Yannis
Replied by Yannis on topic MESA 5I25 7I77 CAN DRIVE THIS MOTORS??
i like that <the poor guy>
i sud change my name in the forum as Yannis the poor guy:laugh:
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