UPDATE:
I WILL USE THE 6 ENABLES OUTPUT FROM THE BOB. I HAVE 6 MOMENTARY PUSH BUTTONS WHICH I WILL INSTALL DIRECTLY TO THE DRIVERS FOR ERROR/FAULT RESET.
AS FOR THE SERVO ON/FAULT OUTPUT FROM THE DRIVES. MACH3 ONLY HAS INPUT 1-4. WHICH I SEE CAN BE USED FOR A FAULT INPUT. BUT I HAVE 6. SHOULD I NEED TO JUST TERMINATE ALL 6 TO ONE(INPUT 1)?