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樓主  發(fā)表于: 2011-04-05 20:11
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哪位大哥能告訴我MT8000軟件中  多狀態(tài)切換開(kāi)關(guān) 中tv  cv cv2 sd  代表什么東西  謝謝
wfb610
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1樓  發(fā)表于: 2011-04-05 20:17
tv是定時(shí)器，cv是計數器，sd是數據寄存器
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2樓  發(fā)表于: 2011-04-06 12:12
tv  cv是PLC內部存儲定時(shí)器 計數器的設定值和當前值的字元件，PLC程序中使用的t  c一般是定時(shí)器和計數器的位元件
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