修改通信中间件内部命令LCD0002，查询统计在线RTU数量，和曾上线但当前离线的RTU数量。

liurunyu

2024-10-15 035595960558208f47e605ba532544521742f2db

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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar