1784-SD1現貨AB

某些干擾是可以預知的，如PLC的輸出命令使執行機構（如大功率電動機、電磁鐵）動作，常常會伴隨產生火花、電弧等干擾信號，它們產生的干擾信號可能使PLC接收錯誤的信息。在容易產生這些干擾的時間內，可用軟件*PLC的某些輸入信號，在干擾易發期過去后，再取消*。

采用冗余系統或熱備用系統

某些控制系統（如化工、造紙、冶金、核電站等）要求有極高的可靠性，如果控制系統出現故障，由此引起停產或設備損壞將造成極大的經濟損失。因此，僅僅通過提高PLC控制系統的自身可靠性是滿足不了要求。在這種要求極高可靠性的大型系統中，常采用冗余系統或熱備用系統來有效地解決上述問題。

聯系人：黃曉飛(銷售工程師) 
移動電話:18030263579 
固話:0592-6895320 
QQ：2472574325

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1784-SD1現貨AB

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