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 <title><![CDATA[为什么接近开关和高速计数器配合 信号灯不 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854.html]]></link>
 <description><![CDATA[Latest 50 replies of 为什么接近开关和高速计数器配合 信号灯不 ..]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Fri, 10 Apr 2026 19:57:28 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[传感器质量不行呗。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1676394.html]]></link>
 <author><![CDATA[静芳]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 16 Jun 2015 10:11:12 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[速度快了，频率高了，人的眼睛自然就看不见其闪烁。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1676358.html]]></link>
 <author><![CDATA[yexiong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 16 Jun 2015 08:12:18 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[眼见为虛罢了
呵呵]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1676236.html]]></link>
 <author><![CDATA[sanlihu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 16 Jun 2015 02:46:45 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[取决于人眼的反应速度和PLC的输入点信号灯响应速度。只要程序不丢信号就OK了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1675915.html]]></link>
 <author><![CDATA[嘉宝和程宝]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 15 Jun 2015 02:36:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[频闪过快你看不见]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1674782.html]]></link>
 <author><![CDATA[清浅半夏]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 10 Jun 2015 14:46:24 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[大侠们言之有理]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1674758.html]]></link>
 <author><![CDATA[wwwjun168]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 10 Jun 2015 14:14:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[频率太高的话，普通接近开关是反应不过来的！有专用的接近开关！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1657792.html]]></link>
 <author><![CDATA[云淡风轻2014]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Apr 2015 01:20:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我以前也遇到这问题，后来发现高速计数器是直接触发，不受周期影响]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1657712.html]]></link>
 <author><![CDATA[su199003]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 Apr 2015 13:13:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同理 比如脉衝輸出Y0 Y1都是常亮的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1657684.html]]></link>
 <author><![CDATA[西部天堂]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 Apr 2015 11:38:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是啊，频率太高]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1657616.html]]></link>
 <author><![CDATA[ny2015]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 Apr 2015 05:30:46 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1592921.html]]></link>
 <author><![CDATA[73998009]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 09 Aug 2014 01:29:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼上言之有理]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1592869.html]]></link>
 <author><![CDATA[叶落而有思]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Aug 2014 14:45:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我靠，这很容易理解啊，人眼一般十几hz的频率能看见，再快你就区分不了哦，，就相当于一直常亮了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1592855.html]]></link>
 <author><![CDATA[fxyc87]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Aug 2014 13:41:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[亮应该还有的，不过变暗了（想一个PWM控制灯的亮度吧），或超过了它的反应时间]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1462854#1592853.html]]></link>
 <author><![CDATA[king_king2]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Aug 2014 13:25:00 +0000]]></pubdate>
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