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<== Date ==> <== Thread ==>

Subject: MRES and friends
From: "Siddons, David via Tech-talk" <tech-talk at aps.anl.gov>
To: Mark Rivers via Tech-talk <tech-talk at aps.anl.gov>
Date: Sun, 15 Mar 2026 15:13:40 +0000
This question is not specifically for Mark, but Outlook insists it go to him, don't know why.

I am confused by the MRES/SRES/URES trio in the motor record.
MRES is obvious, and for me this seems to be the only one of the three needed, and should be in EGU/step. What are the use cases that need the other two? OK, if the drive has microstepping, that changes the steps per resolution as well as the EGU/step, but so what?
Maybe I'm missing some key concept here 🙂
Pete.


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Re: MRES and friends Mark Rivers via Tech-talk

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