---
title: General Brushless Motor Wiring Method C - EURARI
description: Brushless motor wiring method C explained: connection diagram, lead functions and commissioning notes for BLDC motors. Wiring guide from EURARI.
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This document introduces the general wiring method C, applicable to the Ø16, Ø36, and Ø42 series of slotted brushless motors.

 | Connection mode C |  |
|---|---|

 | Pin NO. | SIGN AL | I/O | Specification | Remark |
|---|---|---|---|---|
| 1 | Vcc | IN | DC 12V(Operating range:8.5V-15V) | Red wire , motor power supply |
| DC 24V(Operating range:8.5V-24V) |

 | 2 | FG | VOH | OUT |  | Yello w wire , this is the open collector   output (NPN),which can detect the rotation speed using the FG output according to the phase shift |
|---|---|---|---|---|---|
| VOL | 0 ~ 5.0V |
| Signal current | Min1.5V |
| Output pulse | Max 0.6V |
| 3 | CW&CCW | Input voltage | IN | 1.5V≤U≤5.0V, at5V | White wire, CCW / CW Select |
| VIH | 0.6V max | CCW , High=CCW |
| VIL | 3mA max | CW , Low= CW |
| 4 | GND |  | IN | 6 pulse,can be customized | Black wire ,Ground |
| 5 | PWM | Input voltage | IN | 0 ~ 50V | Blue wire |
| VIH | Min 1.5V | Motor stop,High =stop |
| VIL | Max 0.6V | Motor running low=start |
| PWM frequency | Advised 20kHz ~ 30kHz |  |
| 6 | BRAKE | Input voltage | IN | 0 ~ 5.0V | Green wire |
| VIH | Min 1.5V | Motor start ,High=start |
| VIL | Max 0.6V | Motor stop,low=stop |
| 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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