Andy Ibbotson wrote: > Hello Everyone, > > Over the last few nights I’ve experienced a coupled of “odd” events with > EMC 2.1.7 – normally runs flawlessly. Running AXIS I’ve homed all axes > to zero and then commenced running my Gcode. Last night the Y axis home > position appeared to jump by 0.400” (as seen on the DRO), axis still > reported Y home at 0.0000. Tonight a similar thing happened with the Z > axis. Initially DRO Z and AXIS Z were zeroed and followed one another > to within ½ thou (which is okay for me) then following a return to Z = > 0.0000, the DRO read +0.0250 and AXIS still reported Z=0.0000. The > cutter was obviously offset from the workpiece so I stopped the > programme, rehomed everything and started again, this time with no > problem. Has anyone else experienced similar behaviour – I’m guessing > not since I haven’t seen any posts. Is this a servo or stepper machine? What drives are you using? Are you using the step/direction from the parallel port, or some interface device?
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