Description
我是用MODBUSBUS RTU的方式通讯方式连接3块电表，每块电表单独上电通讯的话，都可以正确显示数值在画面上，但3块或2块表同时上电的话，就只有一块表能有正确的数值显示。另外2块表也不提示通讯错误，但画面上显示的数值变成了0.都搞不清是哪里的问题了
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