Embedded replies below. Dave
On 5/20/2010 12:32 PM, Neil Baylis wrote: > I'm currently tining a small fast linear axis. It uses a DC servo, timing > belt, and linear encoder. I'm using Axis. This is the Y axis of my machine. > > It's basically working, but I have a few questions: > > 1) Is it possible to make Axis re-load the ini file, or do I need to exit > and re-start Axis to do this? > I think you need to restart EMC2. > 2) I'm repeatedly doing the following MDI commands: g0y0 g0y8 while I take > a plot with Halscope to monitor the results. Is it possible to assign these > commands to function keys on the keyboard, or buttons on the GUI, so they > are more convenient? > > You could make a little gcode file and put an O sub call in there and a while loop and have it move back and forth on it's own. > 3) The Calibration tool shows three tabs, one for each axis. For some > reason, the 3 tabs do not show the same tuning variables for each axis. What > is it that controls which tuning variables are shown in the Calibration tool > tabs? > Each axis can have different tuning parameters. I believe the axis will show tuning parameters if they are "declared" in the .ini file. > 4) None of the tabs in the Calibration tool shows FF2 as a tunable > parameter. To tune FF2, I shut down Axis, tweak the INI file manually, and > then restart Axis. Am I missing something? > > 5) FF2 seems to have no effect. I added it in the INI file immediately after > FF1. I've heard that it's very sensitive, and tried values from 0 up to 0.5, > but on Halscope the error plot looks identical. As a reference point, my FF1 > value is 0.25. My servo amp is a voltage amp (PWM input LMD18200 H Bridge), > driving a small DC servo. > I don't believe that FF2 is actually working.. it is in the docs - I think the HTML docs as I recall. > Thanks, > > Neil > ------------------------------------------------------------------------------ > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
