Bruce Klawiter wrote: >> > I may not be understanding this, when you say the "The fact that his Z axis > appears to have abnormal transients even when > disconnected from any command input" are you saying I unplugged something or > just that there is no code telling the Z axis to move. > My understanding from a message about a week ago was that you had disconnected the DAC board from the Z axis amp, and still saw a twitch on the Z at the same time as the X twitched. If I got that wrong, sorry, but I was pretty sure that was what you said was the setup when you posted Image 8. If you just disconnected the DAC by removing HAL lines in the config files, then that is a very different thing, and doesn't prove that the spikes are not coming from the DAC. If that is what you did, I would disconnect the DAC from Z amp and see if you can still get these spikes in X and Z at the same time.
And, if you mean by "no code telling Z to move" that there was no G01 Z1.234 line in the G-code program, that is not correct, as the PID component is normally controlling ALL axes ALL the time, even if that control is to keep them in the same place. The encoder moves a count this way or that, and the servo loop is responsible for moving them back to the commanded position. > I guess the next thing to do is run all the grounds to one common location. > Should they all go to the ground coming in from the 120 volt supply? > Do I need to isolate the the power supplies from the chassis and also ground > those to the common ground? > I will run all the test and do all the other suggestion that have been > mention, that I am able to do and report back. > I'd really advise against major electrical modifications without understanding what is wrong and why. Jon ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2d-oct _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
