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2310036294
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樓主  發(fā)表于: 2016-10-10 22:00
DP上面的箭頭表示進(jìn)和出兩邊，與主站在哪里有關(guān)嗎，
主站可不可以放在DP 連線(xiàn)的兩頭，就是放在通信線(xiàn)的終端，
放在中間頁(yè)可以嗎
做DP通信線(xiàn)，主站從站擺位置  與DP通信線(xiàn)有什么法則嗎
vdadiv
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1樓  發(fā)表于: 2016-10-11 00:39
基本上,頭尾兩端接箭頭進(jìn),電阻撥到on
,中間都是一進(jìn)一出,前站出給後站進(jìn),主從站依軟件設定,接線(xiàn)順序位置沒(méi)分別,

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