I'm going from memory here, but you can change the direction within the software. I believe it's the line "LowIsPositive=True", just change the true to false and the steppers will go the opposite direction. If it's not this line, then it's "IsActiveLow=True". I'm at work right now and can't tell you which line it is for sure, but I had to do the same thing on my machine.
jgro
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