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songbo198x
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樓主  發(fā)表于: 2019-02-22 11:21
PLC在一個(gè)掃描周期里面，它的子程序是同時(shí)掃描工作的還是按順序逐個(gè)掃描的呢？
在一個(gè)掃描周期里，如果我在一個(gè)子程序里面ON了一個(gè)位，那么這個(gè)位在當前掃描周期里面，同時(shí)有兩個(gè)地方用它作為運行條件，那么同一個(gè)子程序里的位和其他子程序里的位是同時(shí)為ON的嗎？
zqszk123
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1樓  發(fā)表于: 2019-02-22 11:46
PLC的工作機制是順序的也就是單線(xiàn)程的，

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