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 <title><![CDATA[求助如何将开关量变成实时显示]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811.html]]></link>
 <description><![CDATA[Latest 50 replies of 求助如何将开关量变成实时显示]]></description>
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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[学习下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1199053.html]]></link>
 <author><![CDATA[lms870601]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Jan 2012 03:08:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1199045.html]]></link>
 <author><![CDATA[luozhiguo200]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Jan 2012 02:48:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[方法还是很多的！ [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1198998.html]]></link>
 <author><![CDATA[sport1988]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Jan 2012 01:51:27 +0000]]></pubdate>
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 <description><![CDATA[直接在旋扭开关上加一个表盘，把旋扭一端当做指针就可以了解到开关的状态了（不太精确），简单经济 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1198993.html]]></link>
 <author><![CDATA[王春杰]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Jan 2012 01:22:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以加一个滑动电阻]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1198929.html]]></link>
 <author><![CDATA[wananjushi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Jan 2012 14:15:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第8楼zhangli019于2012-01-06 14:25发表的&nbsp;&nbsp;:
流量表显示吧，流量表信号反馈过去就可以了
[/quote]
如果管道里面没有介质，但阀门打开了，请问开启度是多少?[s:26][s:26][s:21][s:55][s:55][s:59]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1194696.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jan 2012 07:30:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[流量表显示吧，流量表信号反馈过去就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1194658.html]]></link>
 <author><![CDATA[zhangli019]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jan 2012 06:25:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[时间控制，检测一下从开到关，从关到开的时间分别是多少，然后用时间来估计阀门的位置。
反正，你这个要求显示的位置也不需要那么准确。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1194654.html]]></link>
 <author><![CDATA[spc_cll]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jan 2012 06:18:09 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[加一个电子尺]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1194597.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jan 2012 05:00:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有更专业的执行器控制电动阀,可输出模拟量信号]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1194596.html]]></link>
 <author><![CDATA[zzj111000]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jan 2012 04:58:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[比例阀？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1194566.html]]></link>
 <author><![CDATA[]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jan 2012 03:29:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电控的取其电信号,配数显表.就可以在外面目视阀门的相对开关量的大小.给设备管理带来比较方便]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1194539.html]]></link>
 <author><![CDATA[zhujiyuan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jan 2012 02:48:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[阀门开关的轴上加装一个绝对值的编码器就行了，用PLC读取，在触摸屏上显示。绝对准确。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1194467.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 05 Jan 2012 23:24:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不就是开和关两种状态吗？就两种位置，哪来有其他位置？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-134811#1194457.html]]></link>
 <author><![CDATA[rockyhuo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 05 Jan 2012 15:46:30 +0000]]></pubdate>
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