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FREQUENCY BACKGROUND ON A STRUCTURE OF A STRUCK-IN-DRUCK REFORM.
FREQUENCY BACKGROUND ON A STRUCTURE OF A STRUCK-IN-DRUCK REFORM.
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机译:桶装卡车改革结构的频率背景。
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摘要
A current-to-pressure (I/P) converter provides an output pressure as a function of the magnitude of a variable input DC current. The I/P converter includes a pressure sensor which produces a feedback signal representative of the output pressure. Based upon the feedback signal and the magnitude of the input DC current, an electrical control signal is produced which controls a device for varying the output pressure. The I/P converter also includes a circuit for generating a time-varying signal which is sent back over the current loop wires through which the input DC current flows. The time-varying signal provides an indication of whether the I/P converter is functioning properly. This permits diagnosis of possible causes of control system malfunctions without having to inspect the I/P converter itself.
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