Ok and where does that come from?it is 18 to 32vdc
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Ok and where does that come from?it is 18 to 32vdc
Battery/Solar or mains originally
Sorry dont get it. Is there any info on the web about these power systems?Battery/Solar or mains originally
But you said its a "typical agricultural dc bus"Agricultural world tends to be very secretive, this is the world I live in and must accept
The datasheet (re the internal speed control via PWM) says "The speed command is compared with the sensed speed from SPEED FB through a transconductance error amplifier."I don't think the speed-representing -voltage actually comes out to a pin of ML4425?
..it sounds like you agree with my conjecture about "Pump suddenly running dry"...and it looks like our fears are real
I am really trying to understand exactly what you are doing, so I can understand why you are doing it the way you are trying to.
Agricultural world tends to be very secretive, this is the world I live in and must accept
Why didn't I just keep out of this thread being I knew damn well who the OP is and what he is known for?
Or use an RC filter or integrator if you want that long response time?Why more complexity? Why not feed the speed sensor signal directly to the opamp?
...you mean from the pin of the ML4425?Why more complexity? Why not feed the speed sensor signal directly to the opamp?