一群菜鸟，真正的PLCSIM有65页，没有中文的翻译。我曾经想翻译一下了，但英文水平有限，没干成。给你们看看目录：
产品综述 ..................................................................................................................1

导言.........................................................................................................................................................................1
快速启动............................................................................................................................................................... 4
与真实S7 PLC的不同点..................................................................................................................................... 6
S7-PLCSIM 主窗口 ............................................................................................................................................ 8
CPU操作模式................................................................................................... .................................................... 9
CPU 指示器........................................................................................................................................................ 10
内存区 ................................................................................................................................................................ 10

基本任务..................................................................................................................11

启动仿真.............................................................................................................................................................. 11
使用帮助.............................................................................................................................................................. 12
打开模拟PLC ................................................................................................................................................... 14
打开一个设置 .................................................................................................................................................... 15
选择扫描模式选项................................................................. .......................................................................... 16
改变CPU操作模式 ........................................................ .............................................................................. 17
使用滑块控制.......................................................................................... ...........................................................19
使用S7-PLCSIM调试你的程序........................................................ ............................................................... 20
在你的程序中使用中断OB块 ......................................................................................................................... 21
修改你的硬件配置..............................................................................................................................................22
下载修正过的配置 ........................................................................................................................................... 23
复位CPU内存 ................................................................................................................................................... 23
复位定时器.......................................................................................................................................................... 23
使用符号寻址 .................................................................................................................................................... 24
组态MPI地址.......................................................................................................................................................24
使用录制/重放 ................................................................................................................................................... 25
故障处理提示.....................................................................................................................................................26
监视扫描周期......................................................................................................................................................28
保存一个设置 .................................................................................................................................................... 28
保存模拟PLC.......................................................................................................................................................29
关闭模拟PLC.......................................................................................................................................................30
结束仿真会话 .................................................................................................................... ............................... 30

视图对象 ................................................................................................................31

S7-PLCSIM视图对象.........................................................................................................................................31
CPU视图对象 .................................................................................................................................................... 32
ACCU和状态字视图对象 ................................................................................................................................ 32
块寄存器视图对象.............................................................................................................................................. 32
堆栈视图对象.......................................................................................................................................................33
输入变量视图对象 ...................................................................................................................... ..................... 33
输出变量视图对象.............................................................................................................................................. 34
位内存视图对象 ........................................................................................................ ....................................... 34
定时器视图对象 ................................................................................................................................................ 35
计数器视图对象.................................................................................................................................... ..............35
普通变量视图对象...............................................................................................................................................36
竖直位变量视图对象.......................................................................................................................................... 36
错误和中断OB块....................................................................................................37
概述.....................................................................................................................................................................37
硬件中断 （OB40-OB47）........................................................... ....................................................................38
I/O 冗余错误 （OB70） ............................................................ ........................................................................ 39
CPU 冗余错误 （OB72） .................................................................. ............................................................... 40
OB72 故障标识 （错误代码） .......................................................................................................................... 41
通讯冗余错误 （OB73） .................................................................................................................................... 42
定时错误 （OB80） ............................................................................................................................................ 43
诊断中断（OB82） ................................................................. ........................................................................... 44
插/拔模块中断 （OB83）......................................................... . ........................................................................ 46
优先级错误（OB85） .......................................................................................................................................... 47
机架故障 （OB86） ............................................................................................................................................ 48
参考信息..................................................................................................................51
S7-PLCSIM工具条.............................................................................................................................................51
S7-PLCSIM 菜单 .............................................................................................................................................. 52
文件菜单 ........................................................................................................................................................... 53
编辑菜单............................................................................................................................................................. 55
视图菜单 ............................................................................................................................................................ 56
插入菜单..............................................................................................................................................................57
PLC 菜单..............................................................................................................................................................58
执行菜单...............................................................................................................................................................59
工具菜单 ............................................................................................................................................................ 61
Window菜单 ...................................................................................................................................................... 62
帮助菜单 ............................................................................................................................................................ 63
帮助按钮...............................................................................................................................................................63
S7-PLCSIM数字量的数据格式......................................................................................................................... 64
故障处理提示 ................................................................................. .................................................................. 65

以后少唧唧歪歪。