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 <title><![CDATA[产生新的报警，蜂鸣器响起]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875.html]]></link>
 <description><![CDATA[Latest 50 replies of 产生新的报警，蜂鸣器响起]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Fri, 17 Apr 2026 18:14:09 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2363890.html]]></link>
 <author><![CDATA[徐闻人]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 20 Jun 2023 06:42:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28] 集中报警都是这么做]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2363676.html]]></link>
 <author><![CDATA[heiheiwodeai]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 19 Jun 2023 03:34:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28] 这是简单的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2363628.html]]></link>
 <author><![CDATA[梦雨天涯]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 19 Jun 2023 01:54:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[提供的思路如下：
1.假如有128个报警，把128个报警都存到8个word变量
2.循环比较，分别把8个word变量与上一次的值作比较，如果有1个word变量与上一次不同，就置位蜂鸣器，就响起来
3.蜂鸣器每次接受新的报警，会响起来，如果按消音，就不响了，再来新的报警，继续响起来]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2363624.html]]></link>
 <author><![CDATA[奋斗的橙子]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 19 Jun 2023 01:46:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[各报警点上升沿置位，延时5s复位]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2363570.html]]></link>
 <author><![CDATA[aywolf]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 18 Jun 2023 13:37:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[解决思路如下：
if wrong_trigger and not wrong_trigger_lastsignal&nbsp;&nbsp;then
&nbsp;&nbsp;Wrong_Flag:= true;
&nbsp;&nbsp;wrong_warnning:=true;
else
&nbsp;&nbsp; wrong_warnning:=false;
end_if;

wrong_trigger_lastsignal:=wrong_trigger;

然后用wrong_warnning触发报警蜂鸣器信号。只要wrong_trigger信号 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2362997.html]]></link>
 <author><![CDATA[yyande]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 15 Jun 2023 06:27:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一次有报警上升沿自锁计时，计时中不响应任何报警，到5S后，再有新报警触发，上升沿继续响5S]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2362921.html]]></link>
 <author><![CDATA[cythyx]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 15 Jun 2023 00:31:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用每个报警上升沿，S置位蜂鸣器和报警显示，蜂鸣器每次为1时计时5秒自复位]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2362842.html]]></link>
 <author><![CDATA[zyt888]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 14 Jun 2023 07:53:54 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[方法有好几种]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2362841.html]]></link>
 <author><![CDATA[yiyang1]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 14 Jun 2023 07:45:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不知是何原因,没看到图片.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1755875#2362836.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 14 Jun 2023 07:04:19 +0000]]></pubdate>
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