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

Subject: Re: OMS 58 and auxiliary outputs
From: "Martin L. Smith" <mls@aps.anl.gov>
To: Rok Sabjan <rok.sabjan@cosylab.com>
Cc: tech-talk@aps.anl.gov
Date: Wed, 15 Jan 2003 07:03:57 -0600
Rok Sabjan wrote:
Hello!

I'm dealing with some stepper motor control and would like to use auxiliary outputs of the OMS 58 motor controller card for setting the stepper driver to all windings off mode. Has this been attempted before? I have looked into motor record, but was unable to find any implementation of that functionality.

Do you think this is possible?

br

Rok


I've been using the VME8-8 instead of the OMS 58 but I use this feature
for boosting the drive current to the motors. I'm using version 4.41 of the motor record and there is one gotcha as far as I know .... see below. Note that the pre-move command has a space as part of the command. I found that this was required to get the pre-move to work properly. So, you should check that your signals work with your database.


record(motor,"Moto1r") {
        field(DESC,"US motor")
        field(DTYP,"OMS VME8/44")
        field(PREM," AF1")
        field(POST,"AN1")
}

Marty Smith
Argonne National Lab.
APS - Controls Group


References:
OMS 58 and auxiliary outputs Rok Sabjan

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