业控制软件开发总，日志是非常重要的一个方面，不仅能够记录用户下发的操作指令，还要求能够记录通讯的某些源代码，这样对于事故日志分析和设备故障查找有重要的作用-Control software development industry in total, the log is a very important aspect, not only can record the user s operating instructions issued, also requested records of