15A 6V-90V Pulse Width Modulated PWM DC Motor Speed Controller / Regulator

This DC Motor Speed Controller controls the speed of a DC motor using a Pulse-Width-Modulated (PWM) DC voltage with a duty cycle continuously adjustable from 0%-100% with a panel-mount potentiometer which is included with the module.

The duty cycle can also be controlled by a 0-5V analog control signal in place of the potentiometer.

The motor speed controller can provide a continuous current of 15A to your DC motor or other DC load. The module includes a user-replaceable board-mounted 15A fuse to protect the motor and controller from overcurrent conditions.  

 Specifications:

• Input supply voltage: 6V – 90V DC
• Maximum output power: 1000W
• Maximum continuous output current: 15A
• Overload and short circuit protection current (fuse): 15A
• Static Current: 0.005 A ( Standby )
• PWM frequency: 15kHz
• Duty Cycle: 0%-100% continuously adjustable via the potentiometer, or with a 0-5V analog control signal
• Operating environment temperature: -20°c to 40°c
• Size (L*W*H): 64mm x 59mm x 27mm / 2.5″ x 2.3″ x 1.1″(approx)
• Net weight: 69g

 Operation:

1. Turn the potentiometer fully counter-clockwise.
2. Connect a DC power supply with a voltage between 6V and 90V at up to 15A to the + and – terminals marked Power.
3. Connect a DC motor to the + and – terminals marked Motor.
4. Control the motor speed with the potentiometer.

This speed regulator supports the use of an external DC voltage control (0V – 5V) in place of the potentiometer to control the output speed. To do so use the following steps:

• Remove the potentiometer potentiometer.
• Connect 0V ~ 5V DC control signal to the middle pin marked 0V ~ 5V.
• Connect the ground wire of 0V ~ 5V DC control signal to the pin marked GND.

 NOTES: 

1. This controller cannot be used with BRUSHLESS motors.
2. It is not reverse-polarity protected and will be damaged if connected to the supply voltage with the wrong polarity. Double-check all connections before applying power and always turn off the power supply before making any wiring changes.

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