riorand 400w 6-60v pwm dc brushless electric motor speed controller with hall riorand <br><br><b>main board specifications: <br>product name: high-power plc 400w brushless dc motor driver with hall <br>working voltage: 6-60v <br>maximum current: rated 16a peak 20a <br>maximum power: 400w <br>overcurrent protection: yes</b> <br><br>interface description: <br>1.ma mb mc phase line output connected to the motor <br>2.5v gnd the motherboard comes with 5v power supply (available external power supply current does not exceed 50ma) <br>3.vcc gnd main power supply (external dc power supply) <br>4.sc speed pulse signal output (only leave the interface, no technical support) <br>5.direction control forward and reverse control interface (high level effective, external switch can be connected) <br>6.speed control speed control signal input (integrated potentiometer for speed control on the board can also be connected to 0-5v analog quantity to support pwm to 0-5 signal input speed control) <br>7.ha hb hc 5v gnd hall signal power input interface, generally motors with hall have corresponding 5 wires <br><br>note <br>1,debugging instructions: after receiving the driver board, first understand whether the interface can correspond to the interface of your brushless motor. <br>2,there is no fuse on the power supply circuit on the motherboard, and jianyi has its own. if the positive and negative poles of the power supply are reversed, some chips on the board will be permanently damaged (not even 2 seconds). <br>3.do not connect the motor that is obviously inconsistent with the voltage, current and power of the drive module or far away from each other, to avoid inexplicable "no point" damage.