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What Is The Difference Between A Hart Patch Card And A Field Terminal Assembly? |
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Answer» Answer :A field terminal assembly is a DCS component where field SIGNALS are terminated. In a DCS using analog transmitter signals but smart remotely CONFIGURED transmitters field signals from barriers are first BROUGHT to a HART patch panel. From here the analog signals are wired to the DCS field termination assembly or I/O card. The digital signals are wired to the HART multiplexes who extract the digital information and provide TWO way communication path between smart instruments and a computer running suitable software. |
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