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疑問解答 Answer and Question 當前位置:主頁 >疑問解答

 

如何通過終端的485口抄表收發指示燈判斷終端抄表故障?

 

具體判斷如下:
 
發送燈 接收燈 故障說明 故障判別及處理
不閃爍 不閃爍 終端未進行啟動抄表命令 在抄表地址、電表類型正確的前提下,終端處理板有問題,需更換。
閃爍 不閃爍 終端發了抄表命令,但電表未回答 1、抄表地址不正確;
2、電表類型不正確;
2、電表口有故障;
3、接線存在問題;
閃爍 閃爍 終端發了抄表命令電表也回答了 終端電表之間通信的配合上有問題,需提供同類型電表找出原因后解決。

 

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