PML3720 is a intelligent meter integrated with analysing,controlling and measuring function.The hardware and software of PML3720 is analysis in detail.Meanwhile a new type of electric energy monitoring system based on PML protocol is proposed.%PML3720是一种集分析、控制、测量于一体的智能仪表,深入分析其硬件及其配套的软件,并提出了一种基于PML3720的PML协议构成的新型电能质量监测系统。
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