|MightyBx IIIB Motor Connector Pin Assignments|
There are separate connectors for each X, Y and Z stepper motor.
The individual motor connectors are female DB9,
Connections for motor phase circuits, there are home limit switch input and +5 Volt output.
Pins 2 and 3 are for Phase A and B of the motor.
Pins 4 and 5 are for the Phase C and D of the motor windings.
Pin 7 is +5 Volts for powering active home limit switches.
Pin 8 is home limit switch sense input, there is a pull up to +5V.
Pin 9 is ground the return side of the switch.
Stepper Motors with Unipolar windings can also be used.
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