这个组件的访问测试项目，您可以进行初步的访问的测试，免去了您写测试程序的麻烦，这个项目是和三菱，西门子PLC的访问写在一起的。(This component's access test project, you can carry out preliminary access test, free you from the trouble of writing test program, this project is written together with Mitsubishi, Siemens PLC access.)