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METHODS AND DEVICE FOR CONDUCTING PERFORMANCE TESTS OF PNEUMATIC SIGNAL AMPLIFIERS
METHODS AND DEVICE FOR CONDUCTING PERFORMANCE TESTS OF PNEUMATIC SIGNAL AMPLIFIERS
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机译:进行气动信号放大器性能测试的方法和装置
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摘要
Methods and apparatus for conducting in-service testing of a pneumatic signal amplifier are disclosed. In response to a test initiation signal, a processor of a valve controller operatively coupled to the pneumatic signal amplifier supplies a pressurized control fluid to an inlet of the pneumatic c signal amplifier. The processor determines a first pressure value corresponding to an inlet pressure of the pressurized control fluid at the inlet of the pneumatic signal amplifier, and further determines a second pressure value corresponding to an outlet pressure of the pressurized control fluid at an outlet of the pneumatic signal amplifier. The processor determines a ratio value between the first and second pressure values and determines whether the ratio value satisfies a threshold. In response to determining that the ratio value satisfies the threshold, the processor generates a notification indicating that the pneumatic signal amplifier is functional.
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