Tree Journeyman 325 (Dynapath)

tommylight wrote:

forum.linuxcnc.org/10-advanced-configura...ning-detailed-how-to
 

This reminds me I need to mount the XY limit switches. Some tech at the company that donated the mills physically removed them. Kind of understandable since you could not jog the machine off the limits as they outright interrupt the drive enable circuit. 

So this is pretty weird. Most of the encoder wiring is pretty straightforward but the 5VDC common is not wired. See attached schematic. I looked at the plug that is associated with the x-axis servo and sure enough there was no pin. I checked at the terminal block and found that the 5VDC common was wired to case ground. The same is true of the servo tachometers so that was the manufacturer's original intention. Kinda leery of wiring my MESA card's 5vdc PS to case ground.