● 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

Digital BLDC Motor Driver Dimension :

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产品编号 BLD300 V2

General description

Description:

BLD300 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

Driver Specification

Model	BLD300 V2
Driver Type	DC Brushless Motor Driver
DC / AC	DC
Suitable Motor	3-Phase DC Brushless motor
Input Voltage	14VDC - 56VDC
Output Current	Max 15A
Hall signal voltage	5V
Hall drive current	12mA
Motor speed range	0rpm - 20000rpm
External potentiometer	10kΩ
Control method	Open 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

Parameter	Min	Typical	Max	Unit
Voltage Input DC	14	48	56	V
Output current	-	-	15	A
Motor speed range	0	-	20000	RPM
Hall signal voltage	-	-	5	V
Hall drive current	12	-	-	MA
External potentiometer	-	10	-	KΩ

Environmental indicators:

Heat Sinking Method	Natural cooling or fan-forced cooling
Atmosphere	Avoid dust, oil stains, and corrosive gases
Operating Temperature	+10℃ ～ +50℃
Ambient Humidity	90% RH (non-condensing)
Vibration Resistance	5.9m/s² maximum
Storage Temperature	0℃ ～ +50℃

Port Signal Description:

Signal category	Terminal	Functional Description
Control signal	BRK	When 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).
	SV	① External potentiometer speed setting input; ② External analog voltage input terminal ③ PWM speed setting input
Hall signal	REF+	DC brushless motor Hall signal grounded.
	HU	DC brushless motor Hall signal HU.
	HV	DC brushless motor Hall signal HV.
	HW	DC brushless motor Hall signal HW.
	REF-	DC brushless motor Hall signal grounded.
Motor connection	W	Motor line W phase
	V	Motor line V phase
	U	Motor line U phase
Power connection	DC+	Power supply positive electrode (12-30VDC)
Power connection	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
Output signal	ALM	The output signal of the motor or drive control fault signal is normally 5V, and in the event of a fault, it is 0V.