Is this what you want…?
http://bgp.nu/~tom/pub/enc-5.png
And the log file is...
http://bgp.nu/~tom/pub/enc-5.log

-Tom


> On Jun 20, 2017, at 5:34 PM, Sebastian Kuzminsky <s...@highlab.com> wrote:
> 
> On 06/20/2017 01:31 PM, tom-...@bgp.nu wrote:
>> The Halscope trace of:  hm2_7i43.0.stepgen.02.position-cmd,
>> hm2_7i43.0.encoder.02.position,  hm2_7i43.0.encoder.02.index-enable,
>> axis.2.home-sw-in with trigger of axis.2.f-errored can be seen here:
>> http://bgp.nu/~tom/pub/enc2.png
> 
> Welllll that looks fine.  And my reading of the homing code tells me the 
> theory i had (about the jump in the encoder position) is wrong.  I now think 
> it's perfectly normal for the .motor-pos-fb pin to jump during homing, and 
> the homing logic in Motion compensates for it by changing the internal home 
> offset at the same time.
> 
> Can you show us a plot like that one, but with axis.2.f-error instead of 
> .f-errored, add the axis.2.joint-pos-cmd, .joint-pos-fb, and .motor-offset 
> pins, and then zoom in on the f-error event?
> 
> Also increase the gain so we can see the fine detail on all the 
> position-releated pins (both cmd and fb).
> 
> Thanks...
> 
> 
> -- 
> Sebastian Kuzminsky
> 
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