On 01/17/2015 04:11 PM, Chris Radek wrote: > On Sat, Jan 17, 2015 at 11:06:20PM +0000, Andy Pugh wrote: >> >> In that case you would also need a mux2 controlled by the same >> signal to switch the feedback between encoder position and >> commanded position for each axis. Though that would lose the DRO >> so perhaps it would be better to change the F-error limits. > > I think you guys are thinking of this exactly backwards. If I > understand right, you want to move the table manually while the > spindle is running. You've gone down the path of wanting to trick > linuxcnc into being in "machine on" mode even though the amps are > disabled, so you can tell it to turn on the spindle. > > But the better solution is to leave linuxcnc in "machine off" mode, > which disables the amps and gives you a working DRO, and more > importantly, the position tracks so when you go back to "machine on" > you don't get a nasty position jump or any other weirdness. > > So the problem remaining is that linuxcnc won't turn on the spindle > in this mode. Right, so poke the button on the VFD that makes it > come on, or install a (real actual) switch. > > Chris
Am I missing something? Whats wrong with a stand alone DRO/VFD gladeVCP app that does nothing but display the position and interface to the VFD? -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/ ------------------------------------------------------------------------------ New Year. New Location. New Benefits. New Data Center in Ashburn, VA. GigeNET is offering a free month of service with a new server in Ashburn. Choose from 2 high performing configs, both with 100TB of bandwidth. Higher redundancy.Lower latency.Increased capacity.Completely compliant. http://p.sf.net/sfu/gigenet _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
