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How to implement XTR115 4-20mA Loop

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Rikr09

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Hello, i have read about 4-20mA isolated current loop but i didnt find one wich help with my problem :( :?:

Im implementing the ckt that i attached above, but i doesnt work. I dont know why?... Is the first time that i use a chip of that class and also my first time with 4-20mA loop. The OUT wich is the input of the loop is about 430mV to 3V aprox.

Ill being waiting for your help... Thanks

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image: <a title="Circuito New.jpg" href="http://obrazki.elektroda.pl/5133865200_1360855379.jpg"><img src="http://obrazki.elektroda.pl/5133865200_1360855379_thumb.jpg" alt="Circuito New.jpg" /></a>

- - - Updated - - -

Hello, i have read about 4-20mA isolated current loop but i didnt find one wich help with my problem :( :?:

Im implementing the ckt that i attached above, but i doesnt work. I dont know why?... Is the first time that i use a chip of that class and also my first time with 4-20mA loop. The OUT wich is the input of the loop is about 430mV to 3V aprox.

Ill being waiting for your help... Thanks
 

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  • Circuito New.jpg
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  • Circuito New.jpg
    Circuito New.jpg
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