fanuc motor questions

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14 Jul 2018 06:16 #114159 by Yannis
Replied by Yannis on topic fanuc motor questions
Ok here is how i think i sud act
i want to by mesa components conservative
i will by one piece of 5i24 with the proposed daughter card and 1 pcs of 8i20
(i think that is what needed)
then on a bench i will connect each one of the motors to test the connectivity
but also the condition of the motor it self
Any thoughts on that?
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14 Jul 2018 06:22 #114160 by Yannis
Replied by Yannis on topic fanuc motor questions
also i forgot to mention that on the c axis i have this motor of 0.2 kw
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14 Jul 2018 06:23 #114161 by Yannis
Replied by Yannis on topic fanuc motor questions
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14 Jul 2018 09:57 #114165 by andypugh
Replied by andypugh on topic fanuc motor questions

Yannis wrote: Ok here is how i think i sud act
i want to by mesa components conservative
i will by one piece of 5i24 with the proposed daughter card and 1 pcs of 8i20
(i think that is what needed)
then on a bench i will connect each one of the motors to test the connectivity
but also the condition of the motor it self
Any thoughts on that?


You could, first, try reading the encoders with your existing Mesa hardware. This would require a custom firmware with a Fanuc encoder on the 7i77(?) expansion port.
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14 Jul 2018 10:52 #114166 by Yannis
Replied by Yannis on topic fanuc motor questions
The 5i25 and 7i77 is on a production machine and i prefer to start with new mesa cards
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13 Sep 2018 19:03 #117475 by Yannis
Replied by Yannis on topic fanuc motor questions
Hi
anyone now how many pole have the a12\ 3000 fanuc motor
i try to find it in the manual on the link with no result
Thanks



jamet.com/Technical/Fanuc/DRIVES/a_series_servo_descman.PDF
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13 Sep 2018 19:25 #117477 by andypugh
Replied by andypugh on topic fanuc motor questions
You should be able to count them by turning the shaft with a small current applied to one pair of windings.
The following user(s) said Thank You: Yannis
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14 Sep 2018 11:12 #117515 by Yannis
Replied by Yannis on topic fanuc motor questions
Hi
what i can not understand is that for the fanuc b-0,5/3000 you can find all the info on the label (previous picture ) and for a larger motor like the a12/3000
you have to use an instrument to find the poles of the motor
also i can not find in the manual the wiring diagram for the connector
strange ...
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