Kit, going by Dan's second post (relevant bit quoted below to save you scrolling up!), the drives must already have internal pull-ups, so there shouldn't be any need for a pull-up resistor to the 24V.

Quote Originally Posted by Dan-27 View Post
I've drawn out 2 circuits, the first it the one I have already tried and it failed, but when I connected the 2K resistor directly to the 5V source on the breakout board, rather than the X step output (Pin 2) it did cause the X axis to step once.
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