文档介绍：STEP7 编程常见错误
Mistakes in Programming with STEP7
Getting Started
Edition (2008 年 11 月)
摘 要
本文档主要用于讨论以下相关问题:
STEP7 编程中常见错误
常见错误的分析及避免方法
关键词
Step7;梯形图;语句表;编程;错误
Key Words
Step7;LAD;STL;Programming;Mistake
IA&DT Service & Support
Page 2-39
目
录
STEP7 编程常见错误................................................................................................1
1. 前言....................................................................................................................5
2. STEP7 编程常见的错误例子...............................................................................5
. 简单错误............................................................................................................5
. 地址超范围............................................................................................................................5
. 对指令不熟悉........................................................................................................................6
. 地址重叠................................................................................................................................6
. 循环程序错误....................................................................................................6
. 循环程序初始化....................................................................................................................7
. 循环程序执行时间................................................................................................................8
. 循环程序累加控制................................................................................................................9
. 数据类型匹配不严谨........................................................................................9
. STL指令数据类型匹配.........................................................................................................9
. 数据类型匹配与浮点数运算.........................................................................................