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syking1234
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樓主  發(fā)表于: 2009-07-05 22:05
現有一FX2N,用于控制制冷機組運行。個(gè)人有個(gè)想法,就是在機組故障時(shí),報警后把各個(gè)報警點(diǎn)自動(dòng)在程序里記錄(包括時(shí)間、報警的開(kāi)關(guān)點(diǎn)等),等拿到筆記本后再在程序里找剛才觸發(fā)報警的記錄(因上位機不能改寫(xiě),所以沒(méi)辦法把報警點(diǎn)做上去),這樣能做的出來(lái)嗎???
怎么在PLC里取時(shí)間和日期???
cvlsam
富士低壓,POD(觸摸屏),PLC專(zhuān)賣(mài)
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1樓  發(fā)表于: 2009-07-05 22:07
1、可以,無(wú)問(wèn)題,報警記錄程序可以使用變址方式建立數據表格。

2、PLC里取時(shí)間與日期?請讀取系統寄存器D8013~D8019的數據。

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