Re: Coordinated motion of slits

[George Nicolas Kontogiorgos via Tech-talk <tech-talk@aps.anl.gov>]

Hi all,

 

I am working on a slit setup controlled by Power PMAC using EPICS too. By now I could create a virtual axis as Wayne mentioned on cmd and substitutions files and I can drive the motors using the kinematics transformation on delta tau. The setpoints and readbacks are working fine.

 

My problem is after the first movement, I can’t perform another movement without resetting my IOC or manually stopping movement with SPMG value. I think that the problem is with DMOV, which never return to one (stopped condition) and do not allow another movement. Should I map this variable on my PLC or motion programs? If so, how could I do that?

 

Thanks a lot

Best regards

 

George Nicolas Kontogiorgos

Electrical Engineer

Beamline Software Group (SOL)

Brazilian Synchrotron Light Laboratory (LNLS)

www.lnls.cnpem.br

 

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