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LMBLD300 V2 300W Open And Closed Loop Brushless DC Driver

● Acceleration/deceleration time setting
● Motor pole pair selection
● Open/closed loop control
● Built-in potentiometer RV speed control
● External potentiometer speed control
● External analog signal speed control
● PWM speed control
● Pulse frequency speed control
● Maximum current output setting
● Motor blocking torque holding
● Alarm indication
● Restarting
Availability:
Quantity:
  • LMBLD300 V2

  • LeanMotor

  • 10 Pcs

Description:

LMBLD300 V2 brushless DC driver is suitable for speed regulation of three-phase brushless DC motors with power below 300W, and it can provide external potentiometer speed regulation, external analog voltage speed regulation, and upper computer (PLC, microcontroller, etc.) PWM speed regulation. At the same time the driver has a large torque start, fast start and braking, forward and reverse switching, manual and automatic speed control. It is suitable for DC brushless motors with voltage from 14V to 56V and power less than 300W.


Features:

  • Acc/Dec time setting

  • Alarm indication

  • Pole-pairs selection

  • Built-in RV Speed setting

  • Open/closed loop control

  • External potentiometer speed setting

  • Max output current P-sv setting

  • External analog signal speed setting

  • Motor stall torque maintenance

  • PWM speed setting

  • Restart


Brushless DC Motor Driver Description:

BrandLeanmotor
ModelLMBLD300 V2
Driver TypeDC Brushless Motor Driver
DC / AC
DC
Suitable Motor3-Phase DC Brushless motor
Input Voltage14VDC - 56VDC 
Output CurrentMax 15A
Hall signal voltage5V
Hall drive current 12mA
Motor speed range
0rpm - 20000rpm
External potentiometer10kΩ
Control methodOpen and closed loop control
JKBLD300 DC brushless driver is suitable for speed regulation of three-phase DC brushless motors with power below 300W, and it can provide external potentiometer speed regulation, external analog voltage speed regulation, and PWM speed regulation of upper computer (PLC, microcontroller, etc.), etc. At the same time, the driver has large torque starting, fast starting and braking, forward and reverse switching, and manual and automatic speed regulation. At the same time the driver has a large torque start, fast start and braking, forward and reverse switching, manual and automatic speed control. It is suitable for DC brushless motors with voltage from 14V to 56V and power less than 300W.


Electrical Specifications

ParameterMinTypicalMaxUnit
Voltage Input DC 144856
V
Output current--15A
Motor speed range0-20000RPM
Hall signal voltage--5V
Hall drive current12--MA
External potentiometer-10-


Environmental  indicators:

Heat Sinking MethodNatural cooling or fan-forced cooling
AtmosphereAvoid dust, oil stains, and corrosive gases
Operating Temperature+10℃ ~ +50℃
Ambient Humidity90% RH (non-condensing)
Vibration Resistance5.9m/s² maximum
Storage Temperature0℃ ~ +50℃


Port Signal Description:

Signal  categoryTerminalFunctional Description
Control  signalBRKWhen the BRK terminal and COM terminal are disconnected or high-level input, the motor brake stops, and when short circuited or low-level input, the motor runs.
EN

When the EN terminal and COM terminal are disconnected or high-level input, the motor slowly stops, and when short circuited or low-level input, the motor runs.

F/R

When the F/R terminal and COM terminal are disconnected or high-level input, the motor rotates forward, and when short circuited or low-level input, the motor reverses.

COM

Common port (OV reference level).

SV① External potentiometer speed setting input; ② External analog voltage input terminal  ③ PWM speed setting input
Hall signalREF+DC brushless motor Hall signal grounded.
HUDC brushless motor Hall signal HU.
HVDC brushless motor Hall signal HV.
HWDC brushless motor Hall signal HW.
REF-DC brushless motor Hall signal grounded.
Motor  connectionWMotor line W phase
VMotor line V phase
UMotor line U phase

Power  connection
DC+Power supply positive electrode (12-30VDC)
DC-Power supply negative electrode 

Output

signal

SPEED

Output a pulse frequency that matches the operating speed of the motor. The motor speed can be calculated using SPEED-OUT. The calculation formula is:

N (rpm)=(F/P) × 60/3 

F: Output pulse frequency (Hz); P: Number of motor poles; N: Motor speed

ALMThe output signal of the motor or drive control fault signal is normally 5V, and in the event of a fault, it is 0V.


Digital BLDC Motor Driver Dimension :

JKBLD300 V2


57/60 BLS Series BLDC Motor Driver Manual:





1, Q: The motor does not turn and no holding torque:

     A: ① check whether the power line is connected to the wrong voltage is too low, need to increase the voltage or correct the power line

         ② check whether the motor wiring is correct, if not correct motor wiring. Check if the motor wiring is correct, if not, correct the motor wiring.

         ③ Whether the enable signal is valid, resulting in the motor does not work.

         ④ Is the subdividing parameter correct?

         ⑤ Is the current parameter correct?


2、Q:Motor does not rotate but has holding torque:

      A: ① The phase sequence of motor wires is wrong, need to swap any two wires.

          ② Pulse signal input is wrong, need to check the pulse wiring.


3、Q: The motor torque is too small:

      A: ① Phase current setting is too small, need to set the phase current corresponding to the motor.

          ② acceleration is too fast, reduce the acceleration value

          ③ motor blocking, need to rule out mechanical problems

          ④ drive and motor mismatch, need to replace the appropriate drive


4、Q:Motor steering error:

      A: ① motor line phase sequence is wrong, need to swap any two wires

          ② motor line has a broken circuit, check and connect the right


5、Q:The alarm indicator light is on:

     A: ① Is the motor wire connected incorrectly

         ② Whether there is over-voltage and under-voltage conditions

         ③ Motor or driver is damaged


6、Q:Motor acceleration blocking:

     A: ① short acceleration time

         ② motor torque is too small

         ③ Low voltage or current


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