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 <title><![CDATA[step7 定时循环控制问题求教。]]></title>
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 <description><![CDATA[Latest 50 replies of step7 定时循环控制问题求教。]]></description>
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 <description><![CDATA[思路没毛病]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1689757#2152524.html]]></link>
 <author><![CDATA[13930228124]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 02 Nov 2020 11:32:12 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第1楼cvlsam于2020-10-26 10:25发表的&nbsp;&nbsp;:
使用比较指令
=1 时 断开所有梯形图
=2 时 给定时器赋值120 ,2 
=3时&#160;&#160;给定时器赋值600, 10
然后用2个定时器作闪烁回路.
.......
[/quote]
学废了[s:21][s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1689757#2151310.html]]></link>
 <author><![CDATA[镜子里的人]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 27 Oct 2020 07:55:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[thank !]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1689757#2151088.html]]></link>
 <author><![CDATA[hbjy]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 26 Oct 2020 10:15:49 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[使用比较指令
=1 时 断开所有梯形图
=2 时 给定时器赋值120 ,2 
=3时&nbsp;&nbsp;给定时器赋值600, 10
然后用2个定时器作闪烁回路.

好像上述流程适合所有PLC,西门子没用过其他品牌应该用过了,编程思路是通用的. [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1689757#2150960.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 26 Oct 2020 02:25:10 +0000]]></pubdate>
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