In the project , the low - layer computer works not only as a web server but a database server . by setting and programming in the low - layer computer , the user with authority can browser and control the situation of the compressors without installing any client software and caring where he is . in the network security , the system uses four password authorities which keep the safety of the system 该系统下位机结合了web服务器与数据库服务器，在下位机端进行web服务器端、数据库服务器端的设置和编程，采用b / s结构，获得授权的操作人员无需安装任何客户端的软件就能够在厂内任意一台联网并装有浏览器的电脑上对空压机房的监控数据进行浏览，并能远程控制空压机的启停状态。
