I am new with DeltaV system.We have already implemented system .I just go through the hardware.I found there is VIM modules which I was thinking maybe used for Simulation of IOs.
But When I saw in detailed.I found that VIM are serial Interface Module having name (C57,C59,C61,C63).So I just confused there are also serial cards Available for communication from Emerson then why third party module has been used?
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