本资源是在VC环境中开发的基于图形编程的可编程控制器，即软PLC软，具有梯形图，助记符和功能块的实现，编程过程有VC的串口通讯，画图，编译，工具栏，菜单，文件的保存于打开能多种功能。-This resource is developed in VC environment based graphical programming programmable controllers, namely soft PLC soft, with a ladder, mnemonic and realize t