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 <title><![CDATA[x020 x021 都被按下什么情况]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297.html]]></link>
 <description><![CDATA[Latest 50 replies of x020 x021 都被按下什么情况]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Sat, 16 May 2026 17:50:05 +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[没输出&nbsp;&nbsp;当你松开的时候可能是y0亮&nbsp;&nbsp; 也可能是y1亮&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1270278.html]]></link>
 <author><![CDATA[邓340827]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 19 May 2012 13:35:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没输出啊。除非你将X021该为常开,Y0有输出并保持。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1270264.html]]></link>
 <author><![CDATA[wangkeming07]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 19 May 2012 13:05:39 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主出的题，有意思 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1269117.html]]></link>
 <author><![CDATA[k78047489]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 18 May 2012 00:35:29 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主&nbsp;&nbsp;怎么停止啊？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1269021.html]]></link>
 <author><![CDATA[只要结果]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 May 2012 14:48:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这是两个互锁的起停电路，关件是你能不能同时按下，同时按下是没反应的（小于一个周期），不同时的话，先按下的动作，后按下的不动作。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1268990.html]]></link>
 <author><![CDATA[zcdq6579]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 May 2012 14:11:06 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[无输出]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1268931.html]]></link>
 <author><![CDATA[andy陈]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 May 2012 12:50:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[机械按钮的东东放在PLC触点里讨论，有意义吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1268910.html]]></link>
 <author><![CDATA[hanqin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 May 2012 12:19:45 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[真的什么情况都没有]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1268876.html]]></link>
 <author><![CDATA[ssh-hy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 May 2012 11:27:32 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[考人呀，试一下不就知道了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1268711.html]]></link>
 <author><![CDATA[始终如一]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 17 May 2012 07:35:39 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要看原来Y0与Y1是什么状态，
如果如是接通的，则同进按下的后果就是全部断开
如果如是断开的，则没有任何反映]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1263786.html]]></link>
 <author><![CDATA[新闻联播]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 May 2012 01:51:10 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[没有什么输出 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1263590.html]]></link>
 <author><![CDATA[jingaoshu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 09 May 2012 13:22:27 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[31楼不要误导新人，先扫描输入再执行输出，这里任何扫描周期都不会有输出！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1263556.html]]></link>
 <author><![CDATA[cwxok]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 09 May 2012 12:34:33 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:57]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1263407.html]]></link>
 <author><![CDATA[海滨01]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 09 May 2012 08:34:33 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[X020 X021同时被按下时，在第一个扫描周期内Y0接通，下一过扫描周期内Y1接通，第三个扫描周期以后无任何输出。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1263395.html]]></link>
 <author><![CDATA[yjhdlp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 09 May 2012 08:26:43 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同时按下理论上是没有输出的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1263368.html]]></link>
 <author><![CDATA[wowman]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 09 May 2012 07:56:17 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[仿真过了,没有什么意义,]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1258446.html]]></link>
 <author><![CDATA[fuguoqiang12]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 May 2012 16:02:49 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[两个点，在实际基本上没有同时按下的可能。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1257271.html]]></link>
 <author><![CDATA[scxclzyzb]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Apr 2012 12:42:54 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[整点对大家有用的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1257270.html]]></link>
 <author><![CDATA[华祥机电]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Apr 2012 12:41:07 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[呵呵楼主太有才了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1257234.html]]></link>
 <author><![CDATA[bocc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Apr 2012 11:54:17 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[没什么情况&nbsp;&nbsp; 先按谁谁行动]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1257219.html]]></link>
 <author><![CDATA[林423]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Apr 2012 11:29:00 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[象互锁，都按下，断开输出点，没输出]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1254581.html]]></link>
 <author><![CDATA[eb545]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 Apr 2012 08:42:21 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[的确没意义]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1254502.html]]></link>
 <author><![CDATA[李想]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 Apr 2012 05:51:11 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第20楼gx19810719于2012-04-24 22:04发表的&nbsp;&nbsp;:
无聊的人才发无聊的贴
[/quote]
你不无聊&nbsp;&nbsp; 还回复这么无聊的贴&nbsp;&nbsp;&nbsp;&nbsp;没有素质的~~~·]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1254437.html]]></link>
 <author><![CDATA[老大很悲伤]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 Apr 2012 04:07:29 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[毫无意义]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1254309.html]]></link>
 <author><![CDATA[liubing3620]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 Apr 2012 01:19:11 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[无聊的人才发无聊的贴]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1254137.html]]></link>
 <author><![CDATA[dylan0719]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Apr 2012 14:04:19 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[看留言，我晕！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1253958.html]]></link>
 <author><![CDATA[sff0928]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Apr 2012 10:03:30 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1253918.html]]></link>
 <author><![CDATA[六月半夏]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Apr 2012 08:53:21 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[没有任何反应，只有输入点指示灯亮]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1253789.html]]></link>
 <author><![CDATA[静芳]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Apr 2012 05:09:27 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[都没有输出啊！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1253730.html]]></link>
 <author><![CDATA[fredxia]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Apr 2012 03:54:30 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[本来用的就是互锁，同时按下去没有反应]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1373297#1253674.html]]></link>
 <author><![CDATA[spiffy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Apr 2012 02:42:40 +0000]]></pubdate>
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