Step/Dir servos + Encoders = follow errors... and so much pain.....

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22 Feb 2021 17:23 #199728 by jhandel
Thanks!

You think there would be a problem pig-tailing on the OZ+ going into my 7i89 and into the 7i75 so they are both getting the same signal? or should i pull my OZ+ completely off the encoder block on the 7i89 for now?

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23 Feb 2021 18:08 #199869 by PCW
Sharing will probably not work as the 7I89s differential termination
will probably reduce the swing enough to not work with the 7I75 inputs
but you could jumper the index on the 7I89 for single ended.

BTW I have got firmware now supporting shared muxed encoder/stepgen
index signals. Its a bit limited because the stepgen instance must match the
encoder instance (that is if you have a shared index on muxed encoders 3,4
they will be hardwired to stepgens 3,4 indexes)
The following user(s) said Thank You: jhandel

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25 Feb 2021 19:55 #200127 by jhandel
Awesome.. that is much less wiring hackery than the other approach :-)

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