Quote:
Originally Posted by mach4
I agree that it is either on or off. If it's not a PWM signal what allows the heat to be something other than full heat or no heat? I was under the impression that by varying the duty cycle you would control the heat. I was also under the impression that the rate was very slow, on the order of a few HZ.
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Historically, the notion has been put forth that there is a high frequency modulation that holds the monovalve in a somewhat steady position between open and closed. Obviously, that is not what you were suggesting, so it looks like we are in agreement about the basic operation of the monovalve.