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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


Also I came across An Isolated HART modem


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