Quote Originally Posted by JAZZCNC View Post
Well really it's better to change the wires because of the way the rising pulse works but you can just change it in software and it will work fine. If you have any funny happenings like missing steps on that motor then change the wiring but 99% of time with modern drives it will be fine.
I don't see how inverting the direction in software could make the system and less reliable than swapping either phase wires round to reverse the motor. They have the same effect.