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Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch
Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch
Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch
Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch
Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch
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Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch
Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch
Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch
Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch
Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch

Motor Speed Controller, DC 5V-36V 3-Phase Brushless Motor Speed Control CW CCW Reversible Switch

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Product Description

Governor Wiring Diagram and Parameters
1. Electrical Performance Specifications of Governor
Voltage Range
DC 5V - 28V
Rated Current
MAX 2A
To control motors with greater current, connect the motor power line directly to the power supply, bypassing the governor.
PWM Output Frequency
0 - 100KHz
Analog Voltage Output
0 - 5V
Temperature Range
Working: -10℃ to 70℃
Storage: -30℃ to 125℃
Driver Board Size
60mm x 40mm
Length: 60mm | Width: 40mm
2. Governor Wiring & 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). Default is high level upon power on.
7
Analog voltage output (0~5V). This interface is suitable for accepting analog voltage speed regulation motor.
8
PWM1 reverse output. Suitable for motors accepting PWM speed regulation where speed is inversely proportional to the duty cycle.
9
PWM2 forward output. Suitable for motors accepting PWM speed regulation where speed is proportional to the duty cycle.
10
Motor feedback signal input.
Important Setup Notes:
  • The output signal changes of the three interfaces (5 to 9) are adjusted by the potentiometer.
  • FG/FG*3 Jumper: Set based on the actual motor feedback times. Without a jumper cap, it defaults to single times FG. With a jumper cap, it changes to 3 times FG*3.
  • The same logic applies to the CW/CCW configuration.
3. Governor Parameter Settings
(1) Frequency Setting
Press and hold touch switch 1 before power-on. Power the governor board and wait for the screen to display "FEQ:20K" before releasing the button. Touch switch 1 to reduce the value, or touch switch 2 to increase. The factory default is 20KHz.
(2) Number of Poles Setting
Before power-on, press and hold both touch switch 1 and touch switch 2 simultaneously. Power the governor board and wait until the screen displays "number of poles: 1 polarity" before releasing. Touch switch 1 to decrease and touch switch 2 to increase. Configure this to match the motor's designed pole number. Factory default is 1 pole.
(3) Feedback Setting
The FG/FG*3 pin is used as the feedback multiplier. It should be configured according to whether the motor uses single times FG or three times FG. Adding the jumper cap sets it to 3 times FG, while leaving the jumper cap off configures it to single times FG.
(4) Direction Setting
The CW/CCW pin configures the initial direction state when the motor direction control line is suspended. Add a jumper cap for CCW operation, or leave it off for CW operation.
Main Display Interface:
The main screen displays four key metrics: Input Voltage, Speed, Frequency, and Duty Cycle. The speed parameter relies on correct FG/FG*3 and pole number configurations to display accurately.
4. Governor Precautions
Warning: Power Polarity Protection
The positive and negative power supplies of the governor must be connected strictly in accordance with the instructions. Do not reverse the connections, as this will prevent operation and permanently damage (burn out) the governor.
Warning: Port Voltage Limits
Ports 5 through 9 must not be subjected to input voltages exceeding 5V.
Motor Compatibility
The governor is designed exclusively to match motors equipped with the corresponding control interfaces detailed in these instructions.
Frequently Asked Questions (FAQ)
Q1: What is the input voltage range and rated current for this governor?
The governor operates within a DC 5V to 28V range and supports a maximum rated current of 2A. For motors demanding higher current, bypass the governor by connecting the motor power line directly to the power supply.
Q2: How do I adjust the PWM frequency output?
Press and hold touch switch 1 before powering on, then power the board. Release the button when "FEQ:20K" appears. Adjust the value down using switch 1 or up using switch 2. The default factory setting is 20KHz.
Q3: How do I configure the feedback multiplier for my motor?
Configure the feedback multiplier using the FG/FG*3 jumper cap. Remove the jumper cap for single times FG feedback, or install the jumper cap for 3 times FG feedback (FG*3), depending on your motor's design specifications.
Q4: What will happen if I reverse the positive and negative power inputs?
Reversing the positive and negative power inputs will cause the governor to fail immediately and will burn out the internal circuitry. Strict adherence to the wiring diagram is required.
Q5: Can the control ports handle higher signal voltages?
No, ports 5 through 9 (including rotation control, brake control, analog voltage, and PWM outputs) are rated for low-level signals and must never exceed a 5V input.
Q6: How do I change the initial direction state of the motor?
Use the CW/CCW pin to define the default startup direction when the control line is suspended. Apply a jumper cap to configure CCW mode, or keep it capless for CW mode.

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