A06B-6102-H222#H520發那科驅動

1 過程通道故障：過程通道故障出現最多的是I/O卡故障。I/O卡故障一般的判斷與處理：通過系統診斷，更換通道或通過更換備用件處理，至于其內部元件老化或是其他原因造成的損壞，一般控制人員不好判斷。I/O卡的檢修一般是由廠家處理，目前的熱控檢修人員的手段還不能達到像檢修常規儀表那樣檢修。而且生產廠家的I/O卡件已制造成一體化的趨勢，這樣只能購買備件。好在這類故障只是在調試階段出現較多，正常運行中出現幾率很低。一次元件或控制設備出現故障有時不能直接被操作員發現，只有異常或報警后才通知熱控人員處理。這樣對檢修人員和運行人員的素質要求就要提高，運行人員要詳細介紹故障前后的狀態便于熱控檢修人員能夠快速、準確地處理缺陷，減少故障的擴大化，另外許多DCS廠家在產品宣傳上都支持卡件熱撥，做為控制人員，在運行中更換卡件時一定要做好安全防護措施否則會引起系統變化或負荷變化，尤其數字量卡件。

 聯系人：鄧先生
地址：武漢市東西湖區走馬嶺匯通公路港信息交易中心A3-035
座機：027-83238870
電話：18971419843
傳真:027-61537051
Q  Q:1841775317

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