Chris Radek wrote: > On Tue, Aug 07, 2007 at 06:47:59PM +0100, Richard Arthur wrote: >> Just playing, but I notice that reversing the sign of the Min_Limit and >> Max_Limit reverse the direction of travel when jogging (2.1.7). Is that >> expected behaviour? > > Interesting, I doubt that's intended. The correct way to invert an > axis's travel is to negate the scale. > > It is a misconfiguration (possibly an undetected one) if the min limit > is larger than the max limit.
I agree with Chris - having a "min" limit that is higher than your "max" limit is simply bad configuration. EMC should probably complain about that. Regarding the jog reversal: I bet it reverses only continuous jogs (the normal "jog while the key is pressed" jogs), but not incremental jogs. That is because continuous jogs are implemented as "jog toward the respective limit, and stop when the key is released". If the limit is on the wrong end of the axis, it will jog the wrong way. I bet you haven't homed your machine yet. With the limits backwards, your machine will always be outside of the limits, since you can't be above min and below max if max is less than min. Prior to homing soft limits are disabled, but as soon as you home the machine and the limits are activated, you will get a soft limit error. Fix your limit values ;-) Regards, John Kasunich ------------------------------------------------------------------------- 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
