The realization of cyclic serial port communication based on LabVIEW

The paper firstly introduces the communication interface protocol between train positioning system and vehicle security computer (VSC), which is used in the development of semi-physical simulation system for high-speed maglev traffic. And then the paper expands the realization of Master-Slave cyclic serial port communication programs with industrial personal computer (IPC) as system simulation machine and LabVIEW2013 as the development tool. It is proved that the realized programs can satisfy the requirements in the protocol and guarantee the stability and reliability of communication.