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<channel>
 <title><![CDATA[1500PLC-SCL上升沿方法]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079.html]]></link>
 <description><![CDATA[Latest 50 replies of 1500PLC-SCL上升沿方法]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[不用那么麻烦
M0.0：=M0.1 AND NOT M0.2 ;
M0.2：=M0.1 ;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2167017.html]]></link>
 <author><![CDATA[weihua840811]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 15 Jan 2021 06:48:07 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[神操作，值得借鉴，鼓掌赞成 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2164284.html]]></link>
 <author><![CDATA[拂云客]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 01 Jan 2021 07:42:26 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[神操作，值得借鉴，鼓掌赞成]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2122629.html]]></link>
 <author><![CDATA[zhxx@26]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 01 Jun 2020 14:42:15 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[300的PLC SCL没有边沿检测指令才要这样编程，1200和1500有这个边沿检测指令就没有必要这样编啦，这只是入门级一个编程方法而已，搞清楚PLC扫描周期就能看懂啦！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2122593.html]]></link>
 <author><![CDATA[qing222lian]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 01 Jun 2020 10:26:19 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[A&nbsp;&nbsp; I0.0
FP&nbsp;&nbsp; M0.0
S&nbsp;&nbsp;&nbsp;&nbsp;Q0.0
上升沿&nbsp;&nbsp;

A&nbsp;&nbsp;I0.1
FN&nbsp;&nbsp;M0.1
R&nbsp;&nbsp;Q0.1

STL&nbsp;&nbsp;编程]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2117105.html]]></link>
 <author><![CDATA[请叫我老六]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 06 May 2020 08:34:58 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[IF&#160;&#160;&#160;&#160;I0.0 =0 AND&#160;&#160;&#160;&#160; M0.0&#160;&#160; THEN
MD4:=MD4+1;
END_IF;
M0.0:=I0.0;

下降沿&nbsp;&nbsp;SCL编程]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2117102.html]]></link>
 <author><![CDATA[请叫我老六]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 06 May 2020 08:27:39 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[IF&#160;&#160;&#160;&#160;I0.0&#160;&#160;AND&#160;&#160; NOT&#160;&#160;M0.0&#160;&#160; THEN
MD4:=MD4+1;
END_IF;
M0.0:=I0.0;

上升沿&nbsp;&nbsp; SCL编程]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2117101.html]]></link>
 <author><![CDATA[请叫我老六]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 06 May 2020 08:26:35 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[Signal_Now:=Signal; //记录本周期值
Signal_Up:=Signal_Now AND NOT Signal_Last; //取上升沿
Signal_Down:=NOT Signal_Now AND Signal_Last; //取下降沿
Signal_Last:=Signal; //记录上周期值]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2116948.html]]></link>
 <author><![CDATA[relax_xi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 05 May 2020 12:37:57 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[另附下降沿方法

FC功能块如下：
In：In_trig;
Out: Out_trig;
In Out: temp;

if&nbsp;&nbsp;#temp and not #In_trig
then&nbsp;&nbsp;#Out_trig :=1;
else
#Out_trig:=0;
end_if;
#temp:=In_trig;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2110993.html]]></link>
 <author><![CDATA[learainy]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 06 Apr 2020 05:11:05 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[系统有边沿检测功能块。

另外，上升沿只要2行代码，不需要IF语句。

Good Luck~]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1680079#2110819.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 05 Apr 2020 05:50:29 +0000]]></pubdate>
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