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StepperOnline BLD-515C User Manual
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StepperOnline BLD-515C User Manual

Brushless dc motor driver
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User Manual
BLD-515C
Brushless DC Motor Driver
©2023 All Rights Reserved
Address: 15-4, #799 Hushan Road, Jiangning, Nanjing, China
Tel: 0086-2587156578
Web: www.omc-stepperonline.com
Sales: sales@stepperonline.com
Support: technical@stepperonline.com
Read the operating instructions carefully before putting the driver into operation with power

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Summary of Contents for StepperOnline BLD-515C

  • Page 1 User Manual BLD-515C Brushless DC Motor Driver ©2023 All Rights Reserved Address: 15-4, #799 Hushan Road, Jiangning, Nanjing, China Tel: 0086-2587156578 Web: www.omc-stepperonline.com Sales: sales@stepperonline.com Support: technical@stepperonline.com Read the operating instructions carefully before putting the driver into operation with power...

  • Page 2: Specifications

    BLD-515C BLDC Brushless Driver Introduction The BLDC driver is a closed-loop speed driver, which adopts the latest type of IGBT and MOS power devices. It uses the Hall signals of a DC brushless motor after frequency multiplication to achieve closed-loop speed control. The control loop has a PID speed regulator, making the system control stable and reliable, especially in low-speed conditions where maximum torque can always be achieved.
  • Page 3 BLD-515C BLDC Brushless Driver 2.3 Mechanical Specifications (Unit: mm [1inch=25.4mm]) Dimension: 151x97x48mm 2.4 Safety Precautions Do not measure or touch any components without housing while operating This product is powered by a DC power supply. Please confirm that the positive and negative poles of the power supply are correct before powering on.
  • Page 4 BLD-515C BLDC Brushless Driver 3. Terminal and Signal 3.1 Power Input Terminal Name Description 12~48VDC input GND input 3.2 Motor Input Terminal Name Description BLDC motor A phase BLDC motor B phase BLDC motor C phase Hall sensor A phase input...

  • Page 5: Functions And Usage

    Sensorless control mode STEPPERONLINE drivers can be used for sensorless brushless motors. But it should be noted that since our brushless driver is mainly used for our brushless motor with sensors, its built-in program is also used for motors with sensors.

  • Page 6: Communication Method

    BLD-515C BLDC Brushless Driver When using a brushless driver to drive a sensorless motor, it is necessary to use software to set the sensorless starting torque according to the parameters of the motor. When the speed control voltage is below 0.3V, the motor will stop.Therefore, the minimum speed of the motor is approximately 5% of the rated speed, which is 150rpm.
  • Page 7 BLD-515C BLDC Brushless Driver Driver name Read-only device $8003 1008H 0x3032 High half word identification Hardware version, Read-only device $8004 1009H 0x2E30 Low half word identification Hardware version high Read-only device $8005 1009H 0x5630 half a word identification Software Read-only device...
  • Page 8 BLD-515C BLDC Brushless Driver brake) The second byte: Bit 0: Control mode (1: internal, 0: external) Bit 1: speed way (1: internal, 0: external) Bit 2: feeling without feeling (1: feeling, 0: no feeling) Bit 3: open loop (1: open loop, 0: closed...
  • Page 9 BLD-515C BLDC Brushless Driver Speed closed Read and write $8112 6201 SPEED_I=0x200 loop parameters variable Speed closed Read and write $8113 6202 SPEED_D=0 loop parameters variable Read and write $8114 6203 Excursion factor SPEED_C=0x50 variable The PWM Read and write...
  • Page 10 BLD-515C BLDC Brushless Driver Note: After modifying the parameters, it is necessary to write FFFFH to the address 81FF in order for the system to save the modified parameters. Otherwise, default parameters will be restored after power loss. 485 communication example:...
  • Page 11 BLD-515C BLDC Brushless Driver 5.1 Driver Failure When there is an overvoltage or overcurrent fault inside the driver, the driver enters the protection state, and then the driver will automatically stop working and the motor also stops. The red light on the driver starts to flash, and the number of flashes corresponds to different fault phenomena.