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 <title><![CDATA[光电开关求助？]]></title>
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 <description><![CDATA[我这用的是西门子s7-300PLC，流水线包装机，想在线上的光电开关上加上一个计数功能。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1425951#1435844.html]]></link>
 <author><![CDATA[guang886622]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 12:46:09 +0000]]></pubdate>
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 <description><![CDATA[小几十块钱买个欧姆龙的计数器， 累加减小都有， 用光电开关的输出信号给中继， 再把想要的计数信号通过中继 给过去就成了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1425951#1435784.html]]></link>
 <author><![CDATA[cloudyang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 10:52:15 +0000]]></pubdate>
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 <description><![CDATA[用M8013&nbsp;&nbsp;触点&nbsp;&nbsp;计数器计数]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1425951#1435756.html]]></link>
 <author><![CDATA[yzyuanxiang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 08:48:09 +0000]]></pubdate>
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 <description><![CDATA[有些PLC用了别的功能后不给再用，你就并输入点呗。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1425951#1435755.html]]></link>
 <author><![CDATA[静芳]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 08:36:13 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第4楼fzy2279于2013-04-25 13:13发表的&nbsp;&nbsp;:
比如。X0为光电开关的输入&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;X0------------------------------------C0&nbsp;&nbsp;&nbsp;&nbsp;K0&nbsp;&nbsp;&nbsp;&nbsp;就为光电开关的次数
[/quote]
不好意思，西门子的还正在入门阶段，三菱的没接触过呢，不过谢谢 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1425951#1435686.html]]></link>
 <author><![CDATA[guang886622]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 05:28:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[比如。X0为光电开关的输入&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;X0------------------------------------C0&nbsp;&nbsp;&nbsp;&nbsp;K0&nbsp;&nbsp;&nbsp;&nbsp;就为光电开关的次数]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1425951#1435681.html]]></link>
 <author><![CDATA[fzy2279]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 05:13:59 +0000]]></pubdate>
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 <description><![CDATA[怎样修改呢？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1425951#1435675.html]]></link>
 <author><![CDATA[guang886622]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 04:58:51 +0000]]></pubdate>
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 <description><![CDATA[要修改PLC内部程序的，光电开关一个输入信号，再设置一个输出信号外接一个计数器就好]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1425951#1435672.html]]></link>
 <author><![CDATA[画地为牢]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 04:44:46 +0000]]></pubdate>
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 <description><![CDATA[要修改PLC程序啊，亲 还要看你这个开关的对象和你需要的“计数”有没关系]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1425951#1435668.html]]></link>
 <author><![CDATA[catfree]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 04:39:16 +0000]]></pubdate>
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