Mesa 7I44-7I70/7I71

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28 Jan 2012 19:04 #17238 by andypugh
Replied by andypugh on topic Re:Mesa 7I44-7I70/7I71
Nick wrote:

after appling /etc/init.d/realtime start


Does "halrun" work any better?

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28 Feb 2012 23:15 #18187 by SRT
Replied by SRT on topic Re:Mesa 7I44-7I70/7I71
I need guidance on Resolvers again. I am finally back at it and determined to get this going. I have a 5i23 with a 7i49 daughter. I hooked up the spindle resolver sine, cosine and drv. I can watch things happen on the hal show/watch page so I believe I have it hooked up right. It does not report to the EMC screen though. I think its my hal.file

Net Spindle Revs <=hm2.5i23.0.resolver.00.position

Maybe it should be counts? RawCounts?

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28 Feb 2012 23:34 #18188 by PCW
Replied by PCW on topic Re:Mesa 7I44-7I70/7I71
that should work
if you halmeter hm2.5i23.0.resolver.00.position, does it count up by one every spindle turn?

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29 Feb 2012 13:58 #18202 by SRT
Replied by SRT on topic Re:Mesa 7I44-7I70/7I71
I tried it this morning. Yes if I watch the position it does count by one every revolution and no it does not report to axis. I should note that I am only turning the spindle by hand and it is not under power. Any Ideas as to why It is not showing on Axis?

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29 Feb 2012 14:35 #18205 by cncbasher
Replied by cncbasher on topic Re:Mesa 7I44-7I70/7I71
see if theirs any bones you can pick out of this that may help

# ---Resolver feedback signals/setup---

setp hm2_7i43.0.resolver.02.velocity-scale 1 # mptor speed in RPS
setp hm2_7i43.0.resolver.02.scale [AXIS_2]ENCODER_SCALE

net z-pos-rawcounts <= hm2_7i43.0.resolver.02.rawcounts
net z-pos-fb <= hm2_7i43.0.resolver.02.position = > pid.2..feedback
net z-vel-fb <= hm2_7i43.0.resolver.02.velocity
net z-pos-fb => axis.2.motor-pos-fb
net z-index-enable axis.2.index-enable <=> hm2_7i43.0.resolver.02.index-enable

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29 Feb 2012 17:27 #18209 by SRT
Replied by SRT on topic Re:Mesa 7I44-7I70/7I71
I just hooked up the z axis resolver. The same thing, I can see it on the hal watch screen but it is not reporting to Axis. Again I am just turning by hand and the drives are not energized.

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29 Feb 2012 17:52 #18210 by PCW
Replied by PCW on topic Re:Mesa 7I44-7I70/7I71
do you have lines like these in your hal file?
(the bottom line is what feeds the position info back to Axis)

net z-pos-fb <= hm2_5i23.0.resolver.02.position = > pid.2..feedback
net z-pos-fb => axis.2.motor-pos-fb

(cribbed from cncbashers post)

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29 Feb 2012 19:15 #18214 by SRT
Replied by SRT on topic Re:Mesa 7I44-7I70/7I71
My Z Feed back is written like this

net motor.02.pos-fb <= hm2_5i23.0.resolver.02.pos
net z-pos-fb => axis.2.motor-pos-fb

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29 Feb 2012 19:19 #18215 by SRT
Replied by SRT on topic Re:Mesa 7I44-7I70/7I71
I'm sorry this is it

net motor.02.pos-fb <= hm2_5i23.0.resolver.02.position
net z-pos-fb => axis.2.motor-pos-fb

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29 Feb 2012 19:37 #18216 by PCW
Replied by PCW on topic Re:Mesa 7I44-7I70/7I71
well that wont work as you dont have a path from
hm2_5i23.0.resolver.02.position to axis.2.motor-pos-fb

what drives net z-pos-fb?

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