Jeffrey Pease wrote: > a movement command to the milling machine will make > an axis move the correct distance in the INCORRECT direction. This can > happen either when running a gcode program or manually jogging the > axis in a direction. If it occurs during a jog, usually all I have to > do to fix it is stop jogging and then start again. > > The computer interfaces with the driver board using the normal STEP, > DIRECTION signals for each axis over the parallel port. > > I would start by loading up halscope and looking at the axis that casue the problem monitor the step & direction outputs this will let you see what EMC i sending out, this will let you narrow down where problem is, if the stepper board is missing the direction out put signal or for some reason EMC did not output then you can take it from there.
is this steppers or servos or other? robert ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
