Above Circuit
With ADC/DAC
https://www.instrumentationtoolbox.com/2012/03/basics-of-4-20ma-current-loop.html
https://www.futurlec.com/BurrBrown/XTR116UApr.shtml
Above Circuit
https://www.instrumentationtoolbox.com/2012/03/basics-of-4-20ma-current-loop.html
https://www.futurlec.com/BurrBrown/XTR116UApr.shtml