CHANGZHOU JKONGMOTOR CO.,LTD
Changzhou Jkongmotor Co., Ltd. Professional Stepper & Bldc Motor Manufacture in China with 15+ Years Experience. Certification: CE Rohs Reach ISO9001 ISO14001
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BLDC Driver 750W 18-50VDC 25-45A JKBLD750 for Nema34 BLDC motor
JKBLD750 brushless dc driver is suit the following three-phase sine wave power and 48V DC 750W brushless dc motor speed regulation, can provide an external potentiometer control, external analog voltage control, PC (such as PLC, SCM) PWM speed regulation, and other functions. At the same time the drive have large starting torque, quick start and brake, and positive & negative switching, combination of manual and automatic control.
Description of Brushless Dc driver:
Connection Definition of Brushless Dc driver:
| Mark | Definition |
| DC+/DC- | DC Power Input (DC24V~DC48V) |
| U,V,W | Motor Lead Wire |
| Hu,Hv,Hw | Hall Sensor Lead Wire |
| REF+ | Hall Sensor Power Supply + |
| REF- | Hall Sensor Power Supply - |
| VCC | External Potentiometer Power Supply ( Internal Power Supply Only) |
| SV | External Potentiometer ( No Connection When Adjusting Speed With Internal Potentiometer ) or Pulse Rate In Note① |
| COM | Common (Low Level/Ground) |
| F/R | Direction: Low Level/CCW High Level or No Connection/CW Note ② |
| EN | Enable: High Level/Stop Low Level/Run Note ② |
| BRK | Quick Brake: High Level/Stop Low Level/Run Note ② |
| SPEED | Speed Signal Output |
| ALARM | Alarm Signal Output |
Note①: Potentiometer/10KΩ or analog signal DC 0V~+5V (Change internal switch J1/DC0-10V).Turn off the internal potentiometer RV when using an external potentiometer to adjust the motor speed.
Note②:High level/5V (5mA)
Electrical Specifications of Brushless Dc driver:
| Parameter | Min | Rated | Max | Unit |
| Motor Hall Sensor Angle | 120°/240° | |||
| DC Power Input | 18 | 48 | 50 | V |
| Drive Current Output | 0 | 25 | 45 | A |
| Suitable Motor Speed | 0 | 20000 | rpm | |
| Hall Sensor Voltage | 4.5 | 5 | 5.5 | V |
| Hall Sensor Current | 20 | mA | ||
| External Potentiometer | 10K | Ω | ||
Pictures of Brushless Dc driver:
