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xtay
求學(xué)者，靜心致遠！
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樓主  發(fā)表于: 2021-08-09 16:46
捷哥？是什么神一般的操作才會(huì )出現下圖情況？
設備是某某自動(dòng)化公司的。。。
專(zhuān)注自動(dòng)化應用  歡迎同行加入！
281969148
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1樓  發(fā)表于: 2021-08-09 17:36
不會(huì )是輸入端跟接地短接了吧？
樓主留言：
輸入端部分電壓會(huì )超過(guò)24V到50V不等，估計鐵線(xiàn)槽某些信號線(xiàn)與市電因絕緣層破皮導致波動(dòng)�。�！

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