<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Still_unknown的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/still_unknown</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; still_unknown]]></copyright><item><title><![CDATA[Wincc中子画面切换]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/156362930</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/156362930</guid><author>still_unknown</author><pubDate>Sun, 28 Dec 2025 20:27:06 +0800</pubDate><description><![CDATA[wincc画面中画面切换]]></description><category></category></item><item><title><![CDATA[wincc通过VB脚本读取父画面中的数据]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/130048056</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/130048056</guid><author>still_unknown</author><pubDate>Sun, 09 Apr 2023 21:40:03 +0800</pubDate><description><![CDATA[wincc多层画面调用]]></description><category></category></item><item><title><![CDATA[西门子S1500和三菱QPLC的TCP通讯]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/130019333</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/130019333</guid><author>still_unknown</author><pubDate>Fri, 07 Apr 2023 20:45:24 +0800</pubDate><description><![CDATA[西门子S1500和QPLC外置以太网TCP通讯实现]]></description><category></category></item><item><title><![CDATA[通过SCL读取多个模块的温度值保存到目的DB块中]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/118916869</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/118916869</guid><author>still_unknown</author><pubDate>Mon, 19 Jul 2021 23:33:59 +0800</pubDate><description><![CDATA[FUNCTION_BLOCK FB111

// Block Parameters
VAR_INPUT
  // Input Parameters
StartAddr:INT; //起始通道地址
ChlNumber:INT; //要读却数据的个数
Ratio:REAL; //系数
BuffAddr:ANY; //目的地址
ptr AT BuffAddr :ARRAY[0..4] OF WORD;//解析ANY数据类型
END_VAR

VAR_IN_OUT
  // I/O Parameter...]]></description><category></category></item><item><title><![CDATA[两路选择开关scl实现]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/118400077</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/118400077</guid><author>still_unknown</author><pubDate>Thu, 01 Jul 2021 23:06:31 +0800</pubDate><description><![CDATA[当select=0的时候，将input_real1送到OutReal中；

当select=1的时候，将input_real2送到OutReal中.

源程序如下

FUNCTION FC35 : VOID

TITLE = 'mulp_Select'
//
// 两路选择基本功能
//
VERSION: '1.0'
AUTHOR: wxl
NAME: Name
FAMILY: Family


// Block Parameters
VAR_INPUT
  // Input Parameters
In..]]></description><category></category></item><item><title><![CDATA[西门子Step7的AT指令示例]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/117827558</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/117827558</guid><author>still_unknown</author><pubDate>Fri, 11 Jun 2021 22:10:45 +0800</pubDate><description><![CDATA[读取系统时间，解析时间

FUNCTION_BLOCK FB12

TITLE = 'Block Title'
//
// 用AT指令解释输入DATE_AND_TIME类型变量
//
VERSION: '1.0'
AUTHOR: Author
NAME: Name
FAMILY: Family

// Block Parameters
VAR_INPUT
  // Input Parameters
DateInpt:DATE_AND_TIME;
ptr AT DateInpt:ARRAY[0..5] O..]]></description><category></category></item><item><title><![CDATA[电机星三角启动SCL源程序]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/117791720</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/117791720</guid><author>still_unknown</author><pubDate>Thu, 10 Jun 2021 21:31:31 +0800</pubDate><description><![CDATA[FUNCTION_BLOCK FB50

// Block Parameters
VAR_INPUT
  // Input Parameters
Cbr:BOOL;
Start:BOOL;
StartTimSp:TIME;
ChargeTimSp:TIME;

END_VAR

VAR_IN_OUT
  // I/O Parameters
END_VAR

VAR_OUTPUT
  // Output Parameters
NetRelay:BOOL;//主接触器
StarRelay:BOOL;...]]></description><category></category></item><item><title><![CDATA[step7中用scl将2个byte组成一个字]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/117406935</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/117406935</guid><author>still_unknown</author><pubDate>Sun, 30 May 2021 22:27:42 +0800</pubDate><description><![CDATA[FUNCTION_BLOCK FB13

TITLE = 'Block Title'
//
// 将两个byte和并成一个word
//
VERSION: '1.0'
AUTHOR: Author
NAME: Name
FAMILY: Family

// Block Parameters
VAR_INPUT
  // Input Parameters
ByteL:BYTE;
ByteH:BYTE;
END_VAR

VAR_IN_OUT
  // I/O Parameters
END_VAR

...]]></description><category></category></item><item><title><![CDATA[STEP7的SCL编程9*9乘法表]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/117406188</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/117406188</guid><author>still_unknown</author><pubDate>Sun, 30 May 2021 22:14:45 +0800</pubDate><description><![CDATA[FUNCTION_BLOCK FB2


TITLE = 'mul9_9'
//
// Block Comment...
//
VERSION: '1.0'
AUTHOR: wjn
NAME: Name
FAMILY: Family
(*

输出9*9乘法表及所有乘法的和

*)
// Block Parameters
VAR_INPUT
  // Input Parameters
Start { S7_m_c := 'true' }:BOOL;
Stop { S7_m_c := 'true' }:BO..]]></description><category></category></item><item><title><![CDATA[wincc中面板实例和画面窗口示例]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/116082535</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/116082535</guid><author>still_unknown</author><pubDate>Sat, 24 Apr 2021 10:23:11 +0800</pubDate><description><![CDATA[wincc中的面板实例制作

1.wincc中画面编辑器中--》文件--》新建面板类型，默认名称是NewFpt1，编辑新建1静态文本框1、输入输出域1、静态文本框2



2.编辑--》组态面板类型



3.在组态面板类型中，添加需要的属性，添加相关的事件，这些属性和事件将在面板实例中显示



4.调用面板类型，选择面板实例，在弹出的选择对话框中选择之前编辑的画面类型，输入相关参数和变量





一个面板实例对应一个控制对象。

wincc中通过VB脚本改变画面窗口变量前缀

1.创建画面窗口，编辑画]]></description><category></category></item><item><title><![CDATA[计算电机线速度参数计算]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/106572505</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/106572505</guid><author>still_unknown</author><pubDate>Fri, 05 Jun 2020 16:30:57 +0800</pubDate><description><![CDATA[利用python写的一个小软件，最近一直做流水线，使用西门子PLC读写变频器速度，PLC给变频器写入和读取的速度参数计算公式如下：
Rel=16384/(电机转速/减速比3.14辊筒直径)
电机很多时，计算量很大，写了这个小软件，方便计算。
软件运行界面如下

通过pyinstaller打包生成了可执行文件。

原代码如下：

...]]></description><category></category></item><item><title><![CDATA[Python通过snap7读取300PLC数据---仿真实现]]></title><link>https://blog.youkuaiyun.com/still_unknown/article/details/106161465</link><guid>https://blog.youkuaiyun.com/still_unknown/article/details/106161465</guid><author>still_unknown</author><pubDate>Sat, 16 May 2020 16:50:53 +0800</pubDate><description><![CDATA[Python通过snap7读取300PLC数据—仿真实现
电脑上Step7 5.6、python3.6、python_snap7-0.11、NetToPLCsim Version: 1.2.4.0
1.python中安装方法这里就重复了，网上有很多资料。
2.下载NetToPLCsim软件。NetToPLCsim是一款用于仿真硬件PLC地址模拟器，相当于一个桥梁，Python通过NetToPlCsim可以读写到Step7的Plcsim。软件如下图所示，点击add或modify填写本机的IP地址和仿真PLC的]]></description><category></category></item><item><title><![CDATA[autotool]]></title><link>https://blog.youkuaiyun.com/Still_unknown/article/details/4140408</link><guid>https://blog.youkuaiyun.com/Still_unknown/article/details/4140408</guid><author>Still_unknown</author><pubDate>Thu, 30 Apr 2009 17:36:00 +0800</pubDate><description><![CDATA[autotool能够自动生成Makefile文件，㈠如果你是root用户登陆，在/root目录下建立项目，用autoscal后生成的configure.scan内容如下：#                                               -*- Autoconf -*-# Process this file with autoconf to produce a ]]></description><category></category></item></channel></rss>