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 <title><![CDATA[plc y0 脉冲端用数字万用表测量电压2.3V]]></title>
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 <author><![CDATA[biaogege520]]></author>
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 <author><![CDATA[从这走过]]></author>
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 <pubdate><![CDATA[Tue, 25 Nov 2025 01:08:42 +0000]]></pubdate>
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 <description><![CDATA[PLC坏了给修好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1787808#2534085.html]]></link>
 <author><![CDATA[zhengtiguo]]></author>
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 <pubdate><![CDATA[Fri, 31 Oct 2025 06:17:52 +0000]]></pubdate>
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 <description><![CDATA[接个示波器更直观]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1787808#2534013.html]]></link>
 <author><![CDATA[余成成]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 31 Oct 2025 01:26:44 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第4楼夜空会飞的鱼于2025-10-24 09:18发表的&nbsp;&nbsp;:

&#160;&#160; 发脉冲 接到PLC的高速计数看
[/quote]
这样把问题搞复杂了，首先你要改接线，然后判断接线是否正常，其次，你高速计数器要了解并且会用。这不是查问题的思路，这是训练的和学习的思路。一般生产设备需要查问题越快越好。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1787808#2533046.html]]></link>
 <author><![CDATA[sunzengli]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 24 Oct 2025 04:30:26 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用楼主zhengtiguo于2025-10-20 08:07发表的 plc y0 脉冲端用数字万用表测量电压2.3V :
用万用表测电压方式，能准确判断，是否正常发脉冲？现在电机也不转，
[/quote]
&nbsp;&nbsp; 发脉冲 接到PLC的高速计数看]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1787808#2533006.html]]></link>
 <author><![CDATA[夜空会飞的鱼]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 24 Oct 2025 01:18:06 +0000]]></pubdate>
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 <description><![CDATA[应该是正常的，脉冲的平均电压是2.5V，没有示波器的情况下，可以大致判断一下。如果频率很高，接继电器恐怕不行，测试不出来。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1787808#2533002.html]]></link>
 <author><![CDATA[sunzengli]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 24 Oct 2025 01:08:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第1楼honggun于2025-10-20 08:22发表的&nbsp;&nbsp;:
接个继电器，看看是否吸合
[/quote]



谢谢，接个继电器试试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1787808#2532290.html]]></link>
 <author><![CDATA[zhengtiguo]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Mon, 20 Oct 2025 00:53:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[接个继电器，看看是否吸合]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1787808#2532282.html]]></link>
 <author><![CDATA[honggun]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Mon, 20 Oct 2025 00:22:30 +0000]]></pubdate>
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