关于 PLC故障以及信息通讯 编程的例子基础资料-As well as information about the PLC fault basic data communications programming examples

PLC通信调试模拟器，有接口文件，调用接口文件可以对PLC通信、模拟编程(PLC communication debugging simulator, with interface file, calling interface file can communicate with PLC and simulate programming)