Where Do The Wires Go ?

[Kev2960]

Hi Clive thanks for the reply, when i read it back it's not that clear.
ill just start with the drivers, i have 3 wires as you've said pulse/step 5v, dir. the terminal blocks on the bob are labeled XN XD XS XE ( i've just put the X axis) am i right thinking XD=direction XS=step, but what does XN & XE mean