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 <title><![CDATA[高速计数中断]]></title>
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 <description><![CDATA[Latest 50 replies of 高速计数中断]]></description>
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 <description><![CDATA[今天有空就为楼主做了个实验......用S7224XP的....1秒可以达到100次完成没问题....附上程序
TITLE=程序注释&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*****I0.3&lt;------&gt;Q0.1,I0.2&lt;---------&gt;Q0.0,I0.4&lt;----------&gt;Q0.2
BEGIN
Network 1 
LD&nbsp;&nbsp;&nbsp;&nbsp; SM0.1
LD&nbsp;&nbsp;&nbsp;&nbsp; M0.0 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479018#1645133.html]]></link>
 <author><![CDATA[kyy80]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 11 Feb 2015 02:12:42 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第4楼gwm422于2015-02-09 08:56发表的 &#160;
松下的plc有高速计数功能置位输出
[/quote]主要是扫描周期要短，执行的指令周期尽量小。国产的20次每秒还行。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479018#1644847.html]]></link>
 <author><![CDATA[薛立军]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 09 Feb 2015 06:03:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[松下的plc有高速计数功能置位输出]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479018#1644787.html]]></link>
 <author><![CDATA[gwm422]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 09 Feb 2015 00:56:55 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[应该行.....226]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479018#1644696.html]]></link>
 <author><![CDATA[kyy80]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Feb 2015 03:23:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第1楼kyy80于2015-02-08 10:25发表的&#160;&#160;:
大多数PLC都可以....西门子200最方便....
[/quote]问了西门子的技术说1秒五十次扫描跟不上。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479018#1644686.html]]></link>
 <author><![CDATA[薛立军]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Feb 2015 02:28:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[大多数PLC都可以....西门子200最方便....]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1479018#1644684.html]]></link>
 <author><![CDATA[kyy80]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Feb 2015 02:25:24 +0000]]></pubdate>
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