Answer / amit patil

YES ALL INTYRENSIC SAFE TRANSMITTERS R BOUNDED WITH ZENSER
BARRIERS BECAUSE THESE R HAZARDOUS SIGNALS COMMING FROM THE
FIELD, SO TO AVOID ANY DANGEROUS EFFECT TOWARDS THE PANNEL
SIDE BARRIERS R USED THESE R SO THAT IF MORE CURRENT IS
COMMING FROM YHE FIELD THEN THE BARRIER BECOMES OPENE TO B
SAFE FOR PANEL SIDE.

Answer / suresh

For safety of DCS input card. Possibility for short circuit or high current came from field so berrirer working as fuse it will get open so current not pass to card.because card

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