廈門莫格電氣自動化有限公司
我們提供:PLC模塊,DCS卡件,ITCC卡件,AI DI AO DO模塊
網絡模塊 計數模塊 適配器模塊 CPU模塊 掃描模塊
本特利3500系列卡件 Triconex模塊 HIMA模塊 ICS卡件 GE 燃機備件 艾默生DCS備件
聯系人:雷琳
24小時銷售熱線:18050035902
Q Q : 1982497648
電話:0592-6808394
傳真:0592-6514751
地址:廈門市湖里區安嶺路1012號202之二單元
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人機接口
機組LCU配置操作面板作為人機交互的窗口。運行人員通過操作面板可以進行機組的啟、停,斷路器的分、合,有功、無功的給定等多種操作。對于操作中的錯誤或不合法的命令,LCU拒絕控制命令的執行。對合法的命令,顯示控制的過程及最終結果。在操作面板上可對機組的動作情況和當前的工作狀態以及各種電流、電壓量、溫度量、有功、無功值進行監視,LCU的這種完整的操作顯示功能使它即使脫離上位機仍能獨立運行。操作面板發生故障,不影響系統的正常運行,主機仍能對機組LCU進行監控。
2.5 診斷功能
機組LCU具有對本身的硬件及各控制單元進行全面的保護性自我檢驗功能,并根據檢驗結果采取相應的保護性措施,防止出現不良結果。LCU同時向主機報告診斷的結果,根據自診斷記錄,值班維護人員可以了解LCU裝置工作是否良好,指導處理異常情況。
2.6 通信功能
1) 機組LCU與廠級監控層的通信。通過以太網實現,通信的主要內容有:將LCU采集到的各種信息、正在執行的控制操作、內部自診斷結果即時送上主機。接受主機的時間設定值和GPS時鐘同步信號。接受主機的P、Q設定值及控制命令等。
2) 機組LCU與微機保護裝置的通信。通過RS485總線將運行狀態、報警等 信號采集并傳送到廠級監控層主機。
3) 與-設備的通信。LCU能夠通過硬布線的方式,將調速器、勵磁裝置的運行狀態、報警等信號采集并傳送到廠級監控層主機。
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