Feature: Duty Cycle adjustable: 0%-100% The digital display the duty ratio Dimension: 97*42*24mm Net weight: approx 57g Item Include: 1 x 6- 30V DC Motor Speed Controller Note: Before you attempting to wire the controller, make sure power is off. Do not reverse postive and negative power loads, to change motor direction ,interchange the pssitive and negative wires of motor. Operating instruction: 1. Connect wires refer to the "wiring diagram" ,as the last picture shows. 2. Turn on the power, and adjust the potentiometer. 3. The LED display displays the PWM output duty cycle. 4. Push the key, the controller closed, push it again, the controller open.
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