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Im thinking I can send-cut-send a panel, with switches as desired, and use a keyboard USB "brain" to read them. then basically map them however needed at that point. that's the easier part for me. Learning the computer/software GUI stuff is gonna be a learning curve.

The drives are 33 years old and the machine was in service till this year on a nearly daily basis. And again. The drives are known for having problems with the tantals. I dont want to have problems later on which I could had easily avoided.

Schema here 
 

Anyone?

One way:

in the main hal file add:


net spindle-vel-rpm hm2_[MESA](BOARD).0.encoder.00.velocity-rpm


in the gui hal file delete:

net spindle.0.revs  => qtpyvcp.spindle-encoder-rpm.in

and add:

net spindle-vel-rpm  => qtpyvcp.spindle-encoder-rpm.in

Hi guys, can't get spindle RPM to display, i have noticed a few different examples in the postgui.hal but non seem to work, i just get a -0 in my rpm display, I will attach my postgui.hal and my main.hal and a screenshot of halshow. Hopefully it's something very basic.thanks in advance

     

Yes, looks like an encoder issue of some kind (especially the sudden drop to 0 velocity)

I would try lowering  the emulated encoder output scale, as
maybe the drive has an issue with quadrature generation at high
speeds and high  resolutions.

Its probably easier to add the step/dir spindle to a MesaCT created configuration.

Can you post your MesaCT created hal/ini/io files?

No more than handful of lines need to be added.