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Topic: EBM 230v Fan controlled by PWM (Read 154 times) previous topic - next topic


Hi Gents

I have a Fan from EBM RG148 which is 230v but the electronics are 4 wire to drive the fan which are 24v GND Tach and PWM, i have done a sketch to drive the PWM using ESP32 but i have hit a wall with the Circuit to drive the PWM, i have read about 0-10v to drive the fan but the one i have is different, i have uploaded a picture of the only diagram the manufacturer as sent me, i have asked them for part numbers which im waiting for a response, can someone help me on this issue regards Dave   

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