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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

Governor Wiring and Controls Diagram
⚡1. Electrical Performance Specifications of Governor
Voltage Range: DC5V-28V.
Rated Current: MAX 2A. (To control the motor with greater current, the motor power line must be directly connected to the power supply, not through 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).
⚙️2. Governor Wiring and Internal Function Description
1 Governor, motor power supply positive input.
2 Governor, motor power input negative.
3 The positive output of the power supply of the motor.
4 Negative output of the power supply of the motor.
5 High and low level output of positive and negative rotation control. High level 5V, low level 0V, controlled by touch switch 2 (F/R), default is high level.
6 High and low level output of brake control. High level 5V, low level 0V, controlled by touch switch 1 (BRA), power on default is high level.
7 Analog voltage output (0~5V). This interface is suitable for accepting analog voltage speed regulation motor.
8 PWM1 reverse output. This interface is suitable for motors that accept PWM speed regulation, where the speed is inversely proportional to the duty cycle.
9 PWM2 forward output. This interface is suitable for motors that accept PWM speed regulation, where the speed is proportional to the duty cycle.
5-9 The output signal changes of these three interfaces are adjusted by the potentiometer.
10 Motor feedback signal input.
Note: FG/FG*3 should be based on the actual motor feedback times whether to add a jumper cap. No jumper cap is a single times FG; an added jumper cap is 3 times FG*3. The same applies for CW/CCW.
🛠️3. Governor Parameter Settings
  • Frequency Setting: Press and hold touch switch 1 before power-on and do not release. Power the governor board. Wait until the screen displays "FEQ:20K", then release the button. Touch switch 1 to decrease, and touch switch 2 to increase. Adjustable frequency to the specified frequency; factory default is 20KHz.
  • Number of Poles Setting: Before power-on, hold down touch switch 1 and touch switch 2 simultaneously. Power the governor board and wait until the screen displays "number of poles: 1 polarity", then release the buttons. Touch switch 1 to decrease, and touch switch 2 to increase. The adjustable pole number is the pole number designed for the motor; factory default is 1 pole.
  • Feedback Setting: The FG/FG*3 pin sets the feedback multiple based on whether the motor feedback multiplier is single times FG or three times FG. Adding the jumper cap sets it to 3 times FG, while removing the cap sets it to single times FG.
  • Direction Setting: The CW/CCW pin determines the initial direction state of the motor. This is configured based on whether the motor runs CW or CCW when the direction control line is suspended. CCW requires the skip cap added; CW is without the skip cap.
  • Main Screen Display: The active screen displays four main parameters: input voltage, speed, frequency, and duty cycle. The speed must be properly configured (FG/FG*3 and pole number) to display correctly.
⚠️4. Governor Precautions
Important Power Warning: The positive and negative power supply of the governor must be connected exactly in accordance with the instructions and must not be reversed. Otherwise, the governor will fail to work and will burn.
  • The governor must be used to match a motor featuring the compatible control interfaces described above.
  • Ports ⑤ through ⑨ must not access a voltage exceeding 5V.
Frequently Asked Questions (FAQ)
Q1: What are the input voltage and rated current limits for this governor?

A1: The governor operates within a voltage range of DC 5V to 28V, with a maximum rated current of 2A. If you need to control a motor requiring higher current, the motor's power line must bypass the governor and connect directly to the power supply.

Q2: How do I change the PWM frequency setting?

A2: Press and hold touch switch 1 before powering on the board. Once the screen displays "FEQ:20K", release the button. You can then use touch switch 1 to decrease the frequency and touch switch 2 to increase it. The default setting is 20KHz.

Q3: How do I set the number of motor poles on the governor?

A3: Hold down both touch switch 1 and touch switch 2 simultaneously before powering on. Once the screen shows "number of poles: 1 polarity", release the buttons. Use switch 1 to decrease and switch 2 to increase the value to match your motor's design poles.

Q4: What is the purpose of the FG/FG*3 jumper cap?

A4: The FG/FG*3 pin sets the motor feedback multiplier. With no jumper cap, the governor reads a single times FG. Adding the jumper cap changes the feedback rate to 3 times FG.

Q5: What happens if I reverse the positive and negative power input?

A5: Reversing the positive and negative connections will prevent the governor from operating and will permanently burn the device. Always double-check connections according to the instructions before applying power.

Q6: What is the maximum voltage permitted for control ports 5 through 9?

A6: Control ports ⑤, ⑥, ⑦, ⑧, and ⑨ cannot accept any voltage input exceeding 5V. Exceeding this limit may damage the governor board.

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