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4-20 mA Current Loop Isolation

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dkrzy

dkrzy

Electrical
May 24, 2005
1
We are adding a 4-20 mA output and was wondering if there is a common practice to ground isolation. Is it standard for the transmitter to isolate ground or the receiver or is it common practice to not isolate the grounds at all?
 
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Isolation improves common mode noise rejection. Stay isolated if possible.
 
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