After 13 years of use, I am finally attempting to add an accessory axis to my PR. I have received a bit of help from shopbot on this, but there seems to be some difficulty in recollecting things and finding the drawings. For reference, this is the what those controllers looked like.


I have received two drawings from shopbot indicating how to connect a driver board to the controller board. Both appear to be different. The first looks like this:


The second is far more difficult to read:

As you can see the second shows some wiring that appears to be different from the first. The wire going from driver board to the main controller is the only one that can be easily ascertained.

I'm not certain if the second image reflects a different version of the accessory control or not.