The stepping motor can only be passed on and off
You're not setting the course! Pulse plus direction is effective. You should give the motor an anti-directional signal.
That's that you're not giving the step drive the reverse signal and you have two lines in the step drive and one is the pulse and one is the direction
The general control motor is turning and reversing the driver of a pin DIR control, which is the current turning of the motor, and the low electric motor is invert.
