TRICONEX 2658-卡件

用A-B ControlLogix雙CPU的PLC控制器實現(xiàn)的熔鹽爐自動系統(tǒng)，已于2001年底開始成功運行于中鋁業(yè)河南分公司，運行情況良好，滿足了一水硬鋁管道化溶出氧化鋁生產(chǎn)線的工藝要求。

我們的體會是，ControlLogix雙CPU冗余控制的軟件方式實現(xiàn)是一種經(jīng)濟(jì)、有效的方法，它成本支出不大，卻能使系統(tǒng)的可靠性大大提高。
另外，雙CPU冗余控制時，如何利用Map命令，只將具有主控制權(quán)的CPU數(shù)據(jù)通過ControlNet網(wǎng)傳送給其他控制設(shè)備，是值得進(jìn)一步研究的。
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