AnsweredAssumed Answered

Is it possible to make an Optically isolated plus a Loop Power HART-RS232 Modem?

Question asked by patelvijay12007 on Oct 2, 2013
Latest reply on Oct 4, 2013 by DerrickH

I came across a loop powered HART modem

 

http://www.analog.com/static/imported-files/circuit_notes/CN0267.pdf

 

Also I came across An Isolated HART modem

 

http://www.analog.com/en/circuits-from-the-lab/CN0321/vc.html

 

Is it possible to combine the two of them so that we do not Need external Power , also the communication remains isolated?

Outcomes