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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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  • 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 Data high bit Driver name Read-only device $8003 1008H 0x3032 30 H identification High half word High bit 2E H Read-only device Hardware $8004 1009H 0x2E30 of data identification version, Low half Data high Read-only device...
  • Page 8 BLD-515C BLDC Brushless Driver Data high bit Communication Read and write $8104 1007 1000 03 H variable frequency Data Low E8 H Data high bit The CAN 00 H Read and write $8105 1017H Data low bit variable heartbeat time...
  • Page 9 BLD-515C BLDC Brushless Driver The first Accele byte: rat ion First byte: High bit C8H Acceleration and 6105: deceleration of data Read and write $810B deceleration 10/s Decele Second byte: variable settings second ra tion Acceleration Data Low C8H byte:...
  • Page 10 BLD-515C BLDC Brushless Driver Data high- Current closed- order 00H $8119 6208 loop parameter 0-FFFFH Read-only variable Data low bit 00 H Data high bit urrent closed- 00 H $811A 6209 loop parameter 0-FFFFH Read-only variable Data low bit 20 H...
  • Page 11 BLD-515C BLDC Brushless Driver Motor running $8208,$ 6305 and turning Read-only variable 8209 position Port speed $820A regulation Read-only variable voltage $820B 6306 supply voltage 1 value=0.1V Read-only variable Current current $820C 6307 Read-only variable protection value Segmented $820D 6308...
  • Page 12 BLD-515C BLDC Brushless Driver RS485 communication terminal definition: Function 6 Control status bit and working mode bit address Low bit of data (control bit status) hexadecimal binary system 01 (forward start) 00 (natural shutdown) 04 (brake shutdown) 03 (Reverse) 00 (External IO Port Control)
  • Page 13 BLD-515C BLDC Brushless Driver Index Sub-Index Parameter Name notes Setting Range factory setting number Data high bit 00 Site Address (Frame Reading or 1006 0-250 writing Data low bit 01 H Communication Reading or 1007 1000 3E8 H frequency writing...
  • Page 14 BLD-515C BLDC Brushless Driver Data high-order Overvoltage alarm Reading or 02 H 6109 0-FFFFH point writing Data Low 58 H Data high bit 00 Under voltage alarm Reading or 610A 0-FFFFH point writing Data low 55 H Data high bit 00...
  • Page 15 BLD-515C BLDC Brushless Driver Counter for the number of node status read only 6301 queries CAN communication query for actual motor speed (taking 3000RPM as an example): 1. Send command to query actual speed: 40 02 63 00 00 00 00 002. Obtained data: 43 02 63 00 B8 0B 00 00 3.
  • Page 16 BLD-515C BLDC Brushless Driver 4F 08 63 00 01 00 00 00 00 Motor stall alarm, red light flashing once 4F 08 63 00 02 00 00 00 00 Excessive current alarm, red light flashing twice 4F 08 63 00 04 00 00 00 00 Motor Hall fault,...
  • Page 17 BLD-515C BLDC Brushless Driver 0F (with Hall open loop mode inside) 0B (internal no Hall open loop mode) 0C (with external Hall open loop mode) 08 (external no Hall open loop 7.2 Example of automatic upload instructions: 7.2.1 Power on notification...
  • Page 18 BLD-515C BLDC Brushless Driver 7.2.6 Return data 0BB8H=3000 3000 * Communication setting pole number/motor actual pole number=actual speed, i.e. motor actual speed 3000RPM Return to CS command Index number Subindex Return to low Index high actual high character number actual speed...

  • Page 19: Drive Failure

    BLD-515C BLDC Brushless Driver 9 Drive failure When there is an overvoltage or overcurrent fault inside the drive, the drive enters a protection state and will automatically stop working When the machine stops, the red light on the driver flashes, and the number of flashes corresponds to different fault phenomena.
  • Page 20 BLD-515C BLDC Brushless Driver If the motor suddenly gets stuck during operation, there may be foreign objects causing blockage. Clean up the foreign objects. Replace the motor to see if the driver can still run again. 6 time Peak current alarm 3．The drive is damaged, it is recommended to return to...

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