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《Electrical Measurement & Instrumentation》 2002-06
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The remote communication of the electric energy management system based on the public switched telephone network

Lu Jun, Liu Dacheng, Liu Yanbo,Zheng Li (Department of Precision Instrument, Tsinghua University, Beijing, 100084, China)  
A remote electric energy management system based on the public switched telephone network is introduced. First the data is gathered by the data-gather-module designed with 8031 of MCS-51 single chip computer. Then the chain of the data is set up by the modem chip MSM7512BRS and MODEM. Last using the public switched telephone network as the data transmission channel, the data is transmitted to the cen-tral computer to process synthetically. One of the key techniques is the remote commu-nication between the data-gather-module and the central computer. This paper intro-duces the technique of the remote communication mainly, and the process of setting up chain of the data between the MSM7512BRS and MODEM is introduced in detail.
【Fund】: 清华大学985项目“网络化敏捷制造”资助 国家自然科学基金资助 资助号:59990740。
【CateGory Index】: TM769
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