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zxw
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樓主  發(fā)表于: 2011-01-07 17:19
今天我在做實(shí)驗的時(shí)候，用KEPSERVER讀取S7-200PLC的數據。當我編寫(xiě)好程序下載到PLC里（比如簡(jiǎn)單的自鎖程序，M0.0 為啟動(dòng)點(diǎn)  M0.1為停止點(diǎn)   Q0.0為輸出），并且在KEPSERVER中建好標簽后，我想要的是在KEPSERVER中對啟動(dòng)的標簽寫(xiě)入“1”，PLC的Q0.0有變化，但是我在做的時(shí)候實(shí)際沒(méi)有動(dòng)作；當我對輸出標簽直接寫(xiě)入“1”的時(shí)候，PLC的Q0.0有動(dòng)作。請問(wèn)這問(wèn)題出在哪里呢？？？？謝謝了�。。。。�！

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