The motor control system controls the motor with a current speed value range from -9 .. 0 .. +9.<br /></p><p>If the current speed value is negative, the motor rotates left (CCW counter clockwise).<br /></p><p>If the current speed value is positive, the motor rotates right (CW clockwise).<br /></p><p>If the current speed value is zero, the motor stops.<br /></p>