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liu1984412
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樓主  發(fā)表于: 2013-12-16 08:57
一臺S7300的PLC，使用S7協(xié)議和5臺S1200plc通訊（連接ID為1,2,3,4,5）。
我在OB1組織塊里面建立了5個(gè)FB14功能塊用來(lái)讀取S1200的數據，5個(gè)FB15功能塊用來(lái)把數據寫(xiě)入S1200。
使用時(shí)發(fā)現和1,2,3,4號S1200plc讀取時(shí)正常，但是在讀取5號S1200PLC的數據時(shí)不正常，甚至讀取不到。
這是什么情況��？誰(shuí)有和多個(gè)S1200通訊的例子傳個(gè)參考一下吧，謝謝謝

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