VB与PLC串行通信在喷嘴性能检测中的应用

The application of serial communication between VB and PLC in performance test for engine nozzle

介绍了串行通信在上位机和FX2N系列PLC通信中的应用,并利用Visual Basic的MSComm控件完成实时监控程序。该系统简单、实用,应用于发动机喷嘴性能试验器中,取得良好的效果。对其他工业监控系统有一定的借鉴价值。

Serial communication between host computer and FX2N series PLC is introduced, and a real time supervising procedure is performed by MSComm control system which makes use of Visual Basic. The system is simple and practicable, it has been applied successfully to performance test-bed of engine nozzle. It also has certain reference value to other monitor and control system.