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puck0313
級別: 略有小成
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樓主  發(fā)表于: 2011-04-29 14:55
今天調試一個(gè)程序，將程序輸入PLC后，通過(guò)操縱外部設備，發(fā)現沒(méi)有輸出，查看程序后看到，我的PLC的內部輔助繼電器的點(diǎn)輸出為空心狀態(tài)，導致輸出無(wú)效，不知道是何原因導致的
  
王春茂
咖啡貓
級別: 網(wǎng)絡(luò )英雄

精華主題: 1 篇
發(fā)帖數量: 846 個(gè)
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注冊時(shí)間: 2008-05-14
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1樓  發(fā)表于: 2011-04-29 16:21
檢查有沒(méi)有重復輸出
本人已換手機號碼為13929895518，舊號碼將停用

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