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get power from 4-20mA signal line

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cdcll

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I need help for how to get 24V/2mA from 4-20mA signal line, any recommendations and experiences are welcome.
 

You probably wouldnot get a full 24v, but I have seen circuits getting about 8 volts from this line. It also depends how much the loop of 4-20ma is powered up with.
 

hello

AD company have several AN on this,you can see the data sheet of AD*693 for lo0p p0wered m/a lo0p.

NS also have several AN on this subject.

bye
 

4 mA max

The current drawn must be lower than 4 mA unless the data you are sending over the line will never be a value represented by low currents.
 

Found somewhere on the net

Schematic foud somewhere on the net ...
 

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