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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
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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 Specifications

1. Electrical Performance Specifications of Governor

Voltage & Current Parameters
  • Voltage Range: DC5V-28V
  • Rated Current: MAX 2A. To control the motor with greater current, connect the motor power line directly to the power supply, bypassing the governor.
Signal & Temperature Limits
  • PWM Output Frequency: 0 ~ 100KHz
  • Analog Voltage Output: 0 - 5V
  • Working Temperature: -10℃ to 70℃
  • Storage Temperature: -30℃ to 125℃
  • Driver Board Size: Length 60mm X Width 40mm

2. Governor Wiring & Internal Function Description

Power and Control Lines
  • ① Input Power Positive: Governor & motor power supply positive input.
  • ② Input Power Negative: Governor & motor power input negative.
  • ③ Output Power Positive: Positive output of the motor power supply.
  • ④ Output Power Negative: Negative output of the motor power supply.
  • ⑤ Rotation Control (F/R): High/low level output of positive/negative rotation control (High 5V, Low 0V). Controlled by touch switch 2; default is high level.
  • ⑥ Brake Control (BRA): High/low level output of brake control (High 5V, Low 0V). Controlled by touch switch 1; power-on default is high level.
Analog & Signal Outputs
  • ⑦ Analog Voltage Output (0~5V): Suitable for motors accepting analog voltage speed regulation.
  • ⑧ PWM1 Reverse Output: Suitable for motors accepting PWM speed regulation; speed is inversely proportional to the duty cycle.
  • ⑨ PWM2 Forward Output: Suitable for motors accepting PWM speed regulation; speed is proportional to the duty cycle.
  • ⑥-⑨ Signal Modulation: Output signal changes of these interfaces are adjusted via the potentiometer.
  • ⑩ Feedback Signal Input: Motor feedback signal input.
  • Note: FG/FG*3 jumper cap addition defines single or 3x times feedback multiplier. The same mechanism applies to CW/CCW.

3. Governor Parameter Settings

  • Frequency Setting: Press and hold touch switch 1 before powering on, then power the governor board. When the screen displays "FEQ:20K", release the button. Use touch switch 1 to decrease and touch switch 2 to increase the value. Factory default: 20KHz.
  • Poles Number Setting: Hold down both touch switch 1 and 2 before powering on. Power the board, wait for "number of poles: 1 polarity" to appear, then release. Use touch switch 1 to decrease and touch switch 2 to increase the pole count. Factory default: 1 pole.
  • Feedback Setting: The FG/FG*3 pin sets the feedback multiple. Add the jumper cap for 3x FG, remove it for single FG feedback.
  • Direction Setting: The CW/CCW pin sets the initial motor direction. Add the skip cap for CCW, remove it for CW.
  • Main Display: The active screen displays the input voltage, speed, frequency, and duty cycle. Speed requires correct configuration of FG/FG*3 and poles.

4. Governor Precautions

Important Operation Instructions
  • The positive and negative power supplies must be connected accurately according to the manual instructions. Reverse connection will burn the governor.
  • The governor must be used with motors that match the control interface specifications specified above.
  • Ports ⑤ through ⑨ must never exceed an input voltage of 5V.

Frequently Asked Questions (FAQ)

Q1: What is the input voltage range supported by this governor?
A: The governor supports an input voltage range of DC5V to DC28V.
Q2: How do I handle motors requiring a current greater than the 2A rated limit?
A: For motors requiring higher current, connect the motor power line directly to the external power supply instead of routing it through the governor.
Q3: What are the consequences of reversing the input power polarity?
A: The power supply must be connected correctly. Reversing the positive and negative terminals will damage and burn out the governor.
Q4: How can I change the PWM frequency and default settings?
A: Hold touch switch 1 before powering on the board. Once the display shows "FEQ:20K", release the button and use switch 1 to decrease or switch 2 to increase the frequency.
Q5: How do I configure the motor's speed feedback signal?
A: Set the feedback multiplier via the FG/FG*3 pin. Inserting a jumper cap sets the multiplier to 3x FG, while leaving the jumper cap off configures it for a single FG.

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