Answer / ayaz

this is a pressure transmitter loop for only monitoring pressure transmitter is primary element for monitoring on dcs is called pressure transmitter loop.

Answer / suresh agravst

First field transmitter to junction box than junction box to barrier than barrier to DCS or PLC in put card. Controller is integrate part of PLC than controller decode the input value and give order final control element through output card

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where the use of direct action control valve?

2 Answers  

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what is principal of pressure transmitter?

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