remote control air regulator

[wireties]

Originally Posted by Kevin Sevcik

It looks like 5V is the midpoint in the 1-145 psi range, which would be ~70 psi, so a wiring short on your analog output would put you out of spec. A bad wiring short might put it at max range and dump 120 psi into your system. With mechanical regulators, inspectors can at least be fairly confident that once they're set, they're not going to randomly change. That's not really the case with an electronically controlled regulator.

The +5V can go through a simple resistor ladder. Unless we discount the laws of physics one can't get something greater than the 60PSI setpoint from a passive control circuit. And mechanical regulators move all the time, they are not impervious to the effects of vibration whereas the electrically controlled regulator basically is not.

I'm not a strong advocate here - just playing it out, exploring the tech. I posed a Q&A, we'll see what they say.