与角度控制的三轴转台通信，实现收发功能，通信时间精度在毫秒级-Triaxial angle control in communication with the turntable, send and receive function, a communication time in milliseconds precision

上位机PC与PLC实现自由口通讯，借助CVI建立交互界面，实现监控(PC and PLC realize free port communication, and establish interactive interface with CVI to realize monitoring)