On Mon, 2007-08-13 at 11:09 -0500, Jon Elson wrote: > Kirk Wallace wrote: > > I have been having a problem lately. Once every few homing procedures ... snip > > noticed that the position value at e-stop is in the 300 inch range. > > > What firmware rev are you running on the UPC board? Read the > date code scratched on the EPROM at location U4. If it is not > 5/2/07, then you need an update.
I need to go out to the shop to check, but I had a stepper controller and ordered a pwm prom to convert it about a month or two ago, if that helps. > If it is that latest firmware, then you are having the same > problem that Stuart Stevenson was having, and it had to do with > some misconfiguration of the index signals between the PPMC > driver and the motion control logic. Can you send me your ini > and hal files? I'll post them on my website and send you the link. > > I plan on setting hal scope up to record what is happening, but in the > > mean time, if anyone has ideas for solutions, I would appreciate hearing > > about it. > Making halscope show position, index and index-enable signals is > most likely going to show what is happening. Also, for safety, > reduce your FOLLOWING_ERROR to 0.001 and MIN_FOLLOWING_ERROR to > 0.1 inch or something, so this condition will immediately trip > an E-stop rather than running away. > > Jon Kirk Wallace ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
