PC monitoring system based on RS485 communication composed by Intellectual power instrument and industrial control instrument with communication terminal were introduced.
介绍了一种应用带通讯口的智能仪表和工控机，组成的基于RS485通讯的微机监测系统。
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Secondly, with the aid of developed 4TP-single-terminal-port transform device, capacitance value of single-terminal-port capacitor is measured by 4TP impedance instrument.