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Delivering Efficiency with Pulse Width Modulation

Connector Geek
Connector Geek is Dave in real life. After three decades in the industry, Dave still likes talking about connectors almost as much as being a Dad to his two kids. He still loves Lego too. And guitars.


September 2, 2016 14:10

I notice that this controller box has four different control methods for adjusting the fan speed.

1/ Use an external thermistor to measure the temperature and control the PWM duty, set the target equipment temperature on the control knob
2/ Have no sensor and just manually control the PWM duty from 0 to 100% using the control knob and setting the DIP switch to IA internal adjustment
3/ Connect an external 10K potentiometer to control the speed directly
4/ Connect an external variable 0 to 5V power supply to and change the voltage to adjust the speed

Multi-function PWM fan control all in one unit.

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