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Home > Coreless dc motor > DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
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DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V
DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V

DC BLDC Motor LCD Speed Controller PWM Controller 12V 24V Adjustable PWM Motor Speed Regulator 12V 24V

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Product Description

📊 Electrical Performance Specifications
  • Voltage range: DC5V-28V.
  • Rated current: MAX 2A (To control motors with higher current, connect motor power lines directly to the power supply, bypassing the governor).
  • PWM output frequency: 0~100KHz.
  • Analog voltage output: 0-5V.
  • Working temperature: -10℃ to 70℃.
  • Storage temperature: -30℃ to 125℃.
  • Driver board size: 60mm (L) x 40mm (W).
Governor Wiring Diagram
🔌 Governor Wiring & Internal Functions
1. Positive input for governor and motor power supply.
2. Negative input for governor and motor power supply.
3. Positive output of the motor power supply.
4. Negative output of the motor power supply.
5. F/R Control: High/low level output for rotation control (High 5V, Low 0V). Managed by touch switch 2; default is High.
6. Brake Control: High/low level output (High 5V, Low 0V). Managed by touch switch 1; default is High on power-up.
7. Analog Voltage Output (0~5V): Suitable for motors accepting analog voltage speed regulation.
8. PWM1: Reverse output; speed is inversely proportional to the duty cycle.
9. PWM2: Forward output; speed is proportional to the duty cycle.

Note: Signal changes for interfaces 7-9 are adjusted via the potentiometer.

10. Motor feedback signal input.
Note on Jumpers: FG/FG*3 should be configured based on motor feedback. No jumper cap = single FG; with jumper cap = 3x FG. Similar logic applies to CW/CCW settings.
⚙️ Parameter Settings

1. Frequency Setting: Hold touch switch 1 before power-on. Release when "FEQ:20K" appears. Use switch 1 to decrease and switch 2 to increase. Default: 20KHz.

2. Pole Number Setting: Hold both switch 1 and 2 before power-on. Release when the pole number screen appears. Use switch 1 to decrease and switch 2 to increase. Default: 1 pole.

3. Feedback Setting: Set the FG/FG*3 pin jumper according to your motor's feedback multiplier. Jumper added = 3x FG; No jumper = Single FG.

4. Direction Setting: Use the CW/CCW pin to set the initial state. CCW requires a jumper cap; CW is without a cap.

Main Display: The screen displays Input Voltage, Speed, Frequency, and Duty Cycle. Ensure FG and Pole settings are correct for accurate speed display.
⚠️ Precautions
1. Ensure positive and negative power connections are correct. Reverse connection will burn the governor.
2. Use only with motors matching the specified control interface.
3. Do not exceed 5V on the control signal ports (5-9).
❓ Frequently Asked Questions (FAQ)
What is the input voltage range for this governor?
The governor supports a wide DC voltage range from 5V to 28V.
What should I do if my motor requires more than 2A of current?
The governor is rated for a maximum of 2A. If your motor requires more current, you should connect the motor's power line directly to the power source rather than through the governor board.
Can I adjust the PWM frequency?
Yes, the PWM output frequency is adjustable from 0 to 100KHz. The factory default setting is 20KHz.
How do I change the motor direction at startup?
Initial direction is set using the CW/CCW jumper pins. Adding a jumper cap sets it to CCW, while leaving it off sets it to CW.
Is there a brake control feature?
Yes, there is a brake control interface (High/Low level). It is controlled by touch switch 1 and defaults to a High level (5V) upon power-up.
What happens if I reverse the power supply polarity?
Reversing the positive and negative power supply will cause the governor to fail and will likely burn out the internal circuitry. Always check connections before powering on.

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