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chenpingyg
機械是柱石,電氣是靈魂.
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樓主  發(fā)表于: 2015-03-04 22:05
一條生產(chǎn)線(xiàn)上有若干個(gè)電機，在上位機畫(huà)面上繪制出了相應的流程圖。畫(huà)面上的每條皮帶的顏色與實(shí)際的電機狀態(tài)保持一致。例如：電機正常運行的時(shí)候用綠色表示，電機隔離開(kāi)關(guān)關(guān)閉了用黃色表示，電機空開(kāi)跳閘了用紅色表示。
然后在有兩個(gè)指示燈，分別是隔離開(kāi)關(guān)報警，空開(kāi)報警。當任何一個(gè)電機的隔離開(kāi)關(guān)報警的時(shí)候，相應的皮帶顯示黃色，隔離開(kāi)關(guān)指示燈亮起。用西門(mén)子的PLC怎么編程呢？
自己的事情自己做.
zhoufall
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1樓  發(fā)表于: 2015-03-04 22:12
    空開(kāi)只有開(kāi)和關(guān)  如何報警   特殊的空開(kāi)？
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