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czg1127
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樓主  發(fā)表于: 2013-03-15 17:50
做程序時(shí)要把一個(gè)輸入數據乘以1000后再給PLC，用了一個(gè)觸摸屏的內部變量。但是沒(méi)有停電保持功能，斷電后數據就沒(méi)了。是不是要在什么地方設置��？
sjm213
有小知識，無(wú)大學(xué)問(wèn)。
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1樓  發(fā)表于: 2013-03-16 11:30
西門(mén)子屏的內部變量沒(méi)有斷電保持功能，需要使用外部變量（PLC的變量）才行
czg1127
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2樓  發(fā)表于: 2013-03-20 21:28
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