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xiejiale
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樓主  發(fā)表于: 2019-01-23 12:03
怎么理解西門(mén)子系統的軟元件呢、和三菱的有什么區別和相同例如  三菱的M D 對應西門(mén)子的那些元件、??我就是搞不明白,西門(mén)子好像是不一樣。S300好像是以字節來(lái)表示的。8位的。
xiejiale
級別: 探索解密
精華主題: 0
發(fā)帖數量: 25 個(gè)
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下載積分: 647 分
在線(xiàn)時(shí)間: 10(小時(shí))
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1樓  發(fā)表于: 2019-02-17 10:35
圖片:
我想用威綸通觸屏改變s7-300的T0的時(shí)間設定值,那么,S7300的程序應該怎樣寫(xiě)?下面的寫(xiě)法正確嗎?我可以在人機那里新增一個(gè)輸入按鈕設為DBW1用來(lái)該變數值嗎?就是不明白西門(mén)子的DB和三菱的D元件是不是一樣的,我想可以用MW0來(lái)做變量,但是好像不夠我用啊,才2百多個(gè)。怎么理解西門(mén)子300系列的數值元件各位大哥

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