Hi Ben,

Thanks for the message. i will try and help as best i can, although JazzCNC is very much a guru on here and he knows his stuff and has far more real experience.
If you can make your drives move in pro tune thats a good sign, so its unlikely you got any bum drives from China.

One setting i had trouble with is the active high active low setting. On my cnc i control the enable signal so if the enable contacts are being fed 5v then i wanted the drives to be enabled, i found the description next to the checkbox in pro tune unclear/badly worded. But all in all if your drive is ready to go, and is enabled the red led will be off and the green power led will be flashing. Are your drives like this?

Also in protune once you have made the changes you wish to keep do remember to use the write to eprom button, otherwise when the power is cycled it will forget your new settings.

next basic thing to check is your wiring between your bob and drive, make sure your only feeding 5v into the dir and step pins on the drives (they are optoisolators, and your just lighting the led inside it so dont feed more unless you have used the correct current limiting resistor).