Motion Control and Motor Drives

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switching from analog feedback to encoder feedback

Greetings,

                I am having problems with switching feedback sources in my Labview App.  I am using a 7344 board.  I initialize the board in encoder feedback as primary.  Then I am able to switch to analog feedback, but then the problem is when I switch back to encoder feedback it acts like it is still using analog feeback as a Primary.  I can only get it back to encoder feedback only if I reinitialize the controller.  I am disabling the axis before I am making config changes and then re enabling axis to run axis on both accounts.  However it doesn't seem to be getting back to encoder feedback.  Any Ideas?

 

Wade

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Hey wade,

 

As mentioned in this Forum Thread, you should be able to switch back and forth between feedback sources on the 733X motion controller by disabling/enabling the axis. However, this is what you say you are doing. Perhaps changing the order in which you make the feedback switch. What happens if you make the feedback change and then simple disable/enable the axis? Are you seeing this same behavior on all of your axis? What version of the NI Motion driver are you using?

Hope this helps.
-Ben

WaterlooLabs
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