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LMBLD1100 Brushless DC Motor Driver

● It can be connected with an external speed display board JKBL01, showing
the speed, set drive parameters;
● It has double speed closed current design with low speed torque and
smooth operation;
● It has high speed output with the maximum speed of 10000rpm / min;
● The speed control mode is an external PWM speed and
external potentiometer speed;
● It has have EN, DIR,X1 signal control side;
● It can output FG signals (optoelectronic isolation, gate output);
● It can output ALM signals for the user to detect (optoelectronic isolation, gate output);
● It has over-current, overvoltage, under voltage, fan control and Hall Sensor phase error, motor stalling and other protection functions;
Availability:
Quantity:
  • LMBLD1100

  • LeanMotor

  • 10 Pcs

Description:

 LMBLD1100 is the latest high-tech product of our company, for the field of medium power motor drive. It uses a large-scale integrated circuit to replace the original hardware, so it has higher performance of anti-jamming and fast response ability. It is suitable for all the low voltage three-phase brushless DC motors with peak current below 5A and low voltage AC80V-250V(boards show AC80V-220V) ,whether the motor driver with Hall or not. It is widely used in knitting equipment, medical equipment, food packaging machinery, electric tools and a series of electrical automation control area .


Features:

● It can be connected with an external speed display board JKBL01, showing the speed, set drive parameters;
● It has double speed closed current design with low speed torque and smooth operation;
● It has high speed output with the maximum speed of 10000rpm / min;
● The speed control mode is an external PWM speed and external potentiometer speed;
● It has have EN, DIR,X1 signal control side;
● It can output FG signals (optoelectronic isolation, gate output);
● It can output ALM signals for the user to detect (optoelectronic isolation, gate output);
● It has over-current, overvoltage, under voltage, fan control and Hall Sensor phase error, motor stalling and other protection functions;





Brushless DC Motor Driver Description:

BrandLeanmotor
ModelLMBLD750
Driver TypeDC Brushless Motor Driver
DC / AC
DC
Suitable Motor3-Phase DC Brushless motor
Input Voltage18VDC - 52VDC 
Output CurrentMax 25A
Hall signal voltage5V
Hall drive current 20mA
Motor speed range
0rpm - 20000rpm
External potentiometer10kΩ
Control methodOpen and closed loop control
JKBLD750 DC brushless driver is suitable for speed regulation of three-phase DC brushless motors with power below 750W and voltage 48V, 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 18V to 52V and power less than 750W.


Electrical Specifications

ParameterMinTypicalMaxUnit
Voltage Input DC 184852
V
Output current--25A
Motor speed range0-20000RPM
Hall signal voltage--5V
Hall drive current-20-MA
External potentiometer-10-


Environmental  indicators:

Heat Sinking MethodNatural cooling or forced cooling
AtmosphereAvoid dust, oil stains, and corrosive gases
Operating Temperature+10℃ ~ +50℃
Ambient Humidity80% RH (non-condensing)
Vibration Resistance5.7m/s² maximum
Storage Temperature0℃ ~ +60℃


Port Signal Description:

Signal  categoryTerminalFunctional Description
Control  signalPUL+

Pulse frequency input positive pole

PUL-

Pulse frequency input negative electrode.

BRKWhen 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
VCC


External potentiometer interface


Hall signalREF+


Hall Sensor Signal Power Supply +

HUHall Sensor signal HU.
HVHall Sensor signal HV.
HWHall Sensor signal HW.
REF-


Hall Sensor Signal Power Supply -

Motor  connectionWMotor line W phase
VMotor line V phase
UMotor line U phase

Power  connection
DC+Power supply positive electrode (25-52VDC)
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 :

JKBLD750


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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