6ES7331-7PF00-0AB0
6ES7331-7PF01-0AB0
6ES7331-7PF10-0AB0
6ES7331-7PF11-0AB0
6ES7331-7RD00-0AB0
6ES7331-7SF00-0AB0




 

診斷報(bào)文
 

可能的故障原因

無外部負(fù)載電壓
 
.模塊無 L+ 負(fù)載電壓
 

組態(tài)/參數(shù)化錯(cuò)誤
 
.傳輸?shù)侥K的參數(shù)不正確
 

共模錯(cuò)誤
 
.輸入（M-）之間的UCM 電壓差和測(cè)量回路（MANA）的參考電壓過高

斷路
 

.傳感器回路的電阻過高

.模塊和傳感器之間的連接線出現(xiàn)斷路

.通道未切換（開）
 

低于測(cè)量范圍的下限
 
.輸入值低于正常范圍，可能因故障所至 - 量程為 4 至 20 mA，1 至 5 伏：

傳感器極性接反；

量程選擇錯(cuò)誤

- 其它量程：

量程選擇錯(cuò)誤

高于測(cè)量范圍的上限
 
.輸入值超出量程
 

模擬量輸出模塊








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