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Process device diagnostics using process variable sensor signal
Process device diagnostics using process variable sensor signal
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机译:使用过程变量传感器信号进行过程设备诊断
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摘要
A diagnostic device for use in a process control system receives a sensor signal related to a process variable of a process sensed by a process variable sensor. A signal preprocessor provides a sensor power signal output as a function of a frequency distribution of power in the sensor signal. A process condition is determined based upon the sensor power signal.
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