Hi, I was wondering how do i convert one of those solenoid pneumatic 2/2 control valves to a proportional flow pneumatic valve. I was hoping to use a range of 0-5V to determine the flow rate of the valve. I understand that there might be some electronics involved. So far what i have learned is that i use a Pulse width modulated driver and feed in the voltage into it to determine the duty cycle.
The varying duty cycle should determine how much the valve moves in or out. I am not too sure about whether this concept would work.
Can anyone help me with this?
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