Research and Application of V/F-based Intelligent Multiplex Data-collecting System & Serial Communication

Jia Guixi、 Li Hongfeng、 Qi Wei

Strategic Study of CAE ›› 2004, Vol. 6 ›› Issue (11) : 58-62.

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Strategic Study of CAE ›› 2004, Vol. 6 ›› Issue (11) : 58-62.

Research Report

Research and Application of V/F-based Intelligent Multiplex Data-collecting System & Serial Communication

Jia Guixi、 Li Hongfeng、 Qi Wei

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Abstract

This system can collect and check temperatures. It uses AD620 amplifier to magnify signals, LM331 voltage-frequency transformer to transform electricity quantity in the A/D transforming part, and 80C51 chip to collect and store data to communicate with PC by using Visual Basic6.0 language. This paper also offers the data from the Meijiang District to which the system is applied.

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voltage-frequency transformer LM331 / Visual Basic6.0 / serial communication

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Jia Guixi,Li Hongfeng,Qi Wei. Research and Application of V/F-based Intelligent Multiplex Data-collecting System & Serial Communication. Strategic Study of CAE, 2004, 6(11): 58‒62