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研究实现水电气表智能计费系统远程通信的方法,介绍了通信网络的结构,给出了RS-485通信接口电路图和Visual Basic通信程序.
The method of realizing remote communication of water meter smart metering system is studied. The structure of communication network is introduced. The circuit diagram of RS-485 communication interface and Visual Basic communication program are given.