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樓主  發(fā)表于: 2018-06-22 09:51
西門(mén)子S7-300  PLC的profinet設備掉線(xiàn)或者分布式IO設備（以太網(wǎng)）掉線(xiàn)，怎么通過(guò)編程檢測到掉線(xiàn)？
應該在哪個(gè)OB塊里編程？
最好有實(shí)際例子說(shuō)明下，謝謝
烏龜船長(cháng)
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1樓  發(fā)表于: 2018-06-22 17:36
引用
引用第2樓guolibin于2018-06-22 10:34發(fā)表的  :
FB125，FB126 DP/PN診斷功能塊

正解

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