Transcription of Extracting HART Data from Smart Instruments …
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Extracting HART Data from Smart Instruments …
Page 1 Demand Moore Reliability hart data from Smart InstrumentsAccording to the hart Communications Foundation ( ), there are more than 30 million hart -enabled Instruments installed in chemical and process plants worldwide, and nearly most process transmitters made today are hart compatible. hart -enabled transmitters, valve positioners, fl owme-ters, and other Smart devices superimpose a digital signal upon their 4-20mA process signal. The hart digital signal often contains additional process measure-ments and other variables that may include instrument status, diagnostic data , alarms, calibration values and alert messages.
Page 3 Demand Moore Reliability • www.miinet.com Extracting HART Data from Smart Instruments Monitoring Multi-dropped Instruments—HART instruments can be installed individually—where a single
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