PWM 9V - 60V DC Motor Speed Controller (20A Pulse Drive Board) with Forward/Reverse and Adjustable Speed Switch
Key Specifications:
- Input Voltage: DC 9-60V
- Output Voltage: Linear under load
- Max Output Current: 20A
- Continuous Power: Up to 1200W
- Speed Regulation Type: Current-based
- Speed Control: Via potentiometer (linear adjustment)
- Speed Range: 0-100%
- Control Frequency: 25kHz
- Supports Forward and Reverse Motor Rotation: Yes
- Compatible Motors: DC brush motors only (not suitable for brushless motors).
- Dimensions: 92mm (L) × 52mm (W) × 36mm (H)
- Net Weight: 155 grams
- Mounting Information:
- Centre-to-centre mounting hole distance: 104mm (4 inches).
- Potentiometer mounting hole diameter: 7mm.
Important Notes:
- Input Power: Only connect to DC power; connecting to AC will damage the controller.
- Motor Compatibility: Suitable for DC brush motors; not for brushless motors or speed regulation of reduction motors.
- Direction Change: Avoid changing the motor's rotation direction when operating at high speeds.
- Cooling Requirement: For continuous usage, ensure proper cooling of the module, especially for motors drawing currents within 5A.
- Not a Power Source: The controller adjusts motor speed and is not designed to function as a standalone voltage regulator.
- Testing: Speed control adjustments won't reflect on a multimeter if no motor is connected.
Wiring Instructions:
- Red Wire: Positive power supply
- Black Wire: Negative power supply
- Blue Wire: Motor positive terminal
- Green Wire: Motor negative terminal
This controller is versatile and reliable for DC motor applications, provided the specified guidelines are followed to avoid damage or suboptimal performance.
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