> > Having it synchronized to the axis movements would be ideal but I am not > sure I will have the ability to prototype that before this needs to be > deployed. Do you have examples of where what is done currently? >
I only tested it so I can't point you to any working configuration. But, M67 (instead of M68) will blend with the axis movement so you can synchronize both the analog output change and the movement. M68 sets the value immediately as a digital output does. http://linuxcnc.org/docs/2.8/html/gcode/m-code.html#mcode:m67 El lun, 19 jul 2021 a las 13:25, Joseph Spanier (<spanie...@gmail.com>) escribió: > HI Leonardo, > Yes I have and I actually got very far in implementing it. I am using the > Mesa 7i76e to control and Peter helped me convert the spindle output to a > standard analog out that I could control with M68 but I need a way to scale > it similarly to how spindle speed is modified as well. Unfortunately the > pump rate control is a bit of an art rather than a science so it's not > straightforward to program and always needs some tweaking, so rather than > writing my own UI elements and implementing new hardware controls I fell > back to using the spindle output. > > Having it synchronized to the axis movements would be ideal but I am not > sure I will have the ability to prototype that before this needs to be > deployed. Do you have examples of where what is done currently? > > Thanks, > Joe > > On Mon, Jul 19, 2021 at 10:58 AM Leonardo Marsaglia <ldmarsag...@gmail.com > > > wrote: > > > Hi Joseph, > > > > Have you considered controlling your pump speed with an analog output? > > Those can even be synchronized with the axis movements and should not > > change state unless you tell it to. > > > > El lun, 19 jul 2021 a las 12:48, Joseph Spanier (<spanie...@gmail.com>) > > escribió: > > > > > Hey everyone, > > > I am working on a machine that uses M3 Sxx commands to control a pump. > > Pump > > > speed is critical to our machine function but only at the beginning of > a > > > program and that time delay is currently handled with a G4 pause. > > > > > > The issue I am running into is introducing an M3 command causes the > > machine > > > to come to a full stop on that line of code and that is an issue with > out > > > operation. > > > > > > I currently have spindle-at-speed removed from HAL but I am not sure > what > > > else I can do. > > > > > > I am including all my hal files that would effect this. > > > _______________________________________________ > > > Emc-developers mailing list > > > Emc-developers@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-developers > > > > > > > _______________________________________________ > > Emc-developers mailing list > > Emc-developers@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-developers > > > > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers > _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
