I'm in the process of hooking up my g540 for my cnc conversion on my g0752 lathe. I have mach 3 running and controlling the movement side of everything. I'm needing to hook the board up to the VFD on the grizzly and I'm pretty sure that I know what terminals I hook it up to but would just like some conformation if i can get it.
From the way I'm looking at the diagram it looks like i hook pin 9 on the G540 to the 10v blue wire. Pin 8 to the brown wire labeled AVI, and Pin 7 to the Black AMC wire on the VFD.