On 02/03/2011 02:50 PM, Kirk Wallace wrote: > On Thu, 2011-02-03 at 14:34 -0500, Don Stanley wrote: >> Hi All; >> I am attempting to configure EMC2 10.04.06 to control RPM >> on a 60 HZ AC generator. > I am hoping to control my Onan with EMC2 someday: > http://www.wallacecompany.com/machine_shop/Onan_5CCK/ > > The plan is to not use AXIS at all. I would create a pyVCP panel similar > to a DRO/spindle speed setup: > http://www.wallacecompany.com/machine_shop/EMC2/dro_vfd/ > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?PyVCP > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?GladeVcp > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?GladeVCPprogramming > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?ClassicLadder > > that would allow me to set the RPM (though the setting should never > change) and display the generator status. A PID could be connected in > the .hal file to the panel RPM value, then output to a control component > (stepgen, siggen, pwmgen, etc). The tricky bit would be in deciding how > to convert the PID output into a physical throttle position. > > I think pyVCP is not the latest control panel method so I included some > other links above. The basics are similar. I too am interested in this, I'm in the middle of building a custom Cummins 4B powered Lincoln welder/generator. If this could run headless with one of the small controller boards (beagle?) it will save me about a thousand dollars in having the injection pump recalibrated to 1800 rpms.
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