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General Brushless Motor Wiring Method B

09 September 2025

This document introduces the general wiring method A for the Ø28 series of brushless motors.

Connection mode B  
Pin NO. SIGN AL I/O Specification Remark
1 Vcc IN DC 12V(Operating range:8V ~15V) Red wire, motor power supply
DC 24V(Operating range:8V ~ 26V)
2 GND IN Ground Black  wire,Ground
3 FG VOH OUT 1.5V≤V≤, at5V Yellow wire,this is the open collector output(NPN),which can detect the  rotation speed using the FG output according to the phase shift
VOL 3mA max
Signal current 3 pulse,can be customized
Output pulse 0- 5.0V
4 CW&CCW Input voltage IN 0-5.0V White wire, CCW/CW Select
VOH Min 1.5V CCW  ,High=CCW
VOL Max 0.6V CW ,Low=CW
5 PWM VOH IN Mini 1.5V Blue wire
VOL Max 0.6V Motor  stop,High=stop
Input voltage   Motor  running,low=start
PWM frequency Advised 20kHz~ 30kHz  
Note:
1、Vcc and  GND   can  not   be  used interchangeably.
2、Please switeh CW/CCW after the motor is fully stopped. In order to avoid any damage.
3、How to  start the motor: Red wire connect to the positive, black and white wires connect to  the GND.If CCW direction: Connect white wire to low level power; If CW direction: Connect both  black、 white and  orange wires to  low level power.

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