Chip,
I have played with the dir active low and step active low to no avail.
I've got the spindle step on pin 14 and the spindle direction on pin 16.
On the BOB, the pin 14 led blinks when the spindle is on but I still don't see any voltage out of the analog output measuring with a multimeter with a probe on each terminal.
Depending on which command I issue, M4S2000 or M3S2000, I can get the pin 16 LED to be on or off. Pin 16 is hardwired to a electromechanical relay with both N0 and NC terminals. When I try to "switch" directions of the spindle, the pin 16 LED will toggle but the relay will continue to do the same thing (which ironically, is be open for the NC and closed for the NO).
So my conclusion at this point is that mach3 is doing what its supposed to be doing as perceived by the LEDs on the BOB, its just that the BOB isn't behaving how it is suppose to. It's getting the signal and doing nothing with it and as far as I can tell, that should be irrelevant of what external wiring I have attached (as long as I haven't fried anything, which I don't believe I have).
What do you think?
Thanks,
Adam