发明授权
US5384712A Energy monitoring system for a plurality of local stations with snapshot polling from a central station 失效
用于具有来自中心站的快照轮询的多个本地站的能量监视系统

Energy monitoring system for a plurality of local stations with snapshot
polling from a central station
摘要:
A PC computer monitors the energy consumed at a plurality of local stations placed behind the electrical meter of the utility company for individual billing of the local users, a bidirectional communication line being used therebetween. A command from the PC computer causes at each station the totalized energy to be stored, and thereafter the PC computer derives individually the results for separate estimations and central billing.
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