说明：  siemens简明编程手册（实例）——本手册是一本编程指南介绍了所有主要的编程步骤 目的是为操作者提供一些快速的帮助并帮助记忆尤其是一 些不常用的命令或提供对各种参数的快速参考指南 因此本指南的文字很少很容易理解
(siemens Condensed Programming Guide- This manual is a programming guide describes the programming steps in all the major purpose is to provide the operator with some quick help and help them remember some not commonly used in particular order or provide a quick reference guide to various parameters Therefore, very little of this guide is easy to understand text)