课题中自己编写的使用Labview的VISA进行串行通信，实现液位控制的上位机，能实现液位报警和警示灯信息存储，示波器实时显示液位情况-The topics to write your own using Labview VISA serial communication level control of the host computer, to achieve the level alarm and warning light information is stored, the oscilloscope display real-time level situation