本文主要论述了在520mm 热连轧带钢生产线中,人机界面组态软件InTouch 8.0 的设计思想和使用Visual Basic 编程实例。首先概要对Intouch 组态软件进行了简要介绍,其次介绍了热轧生产线自动化系统的组成和配置,最后对系统采用组态软件Intouch 进行的设 计及使用VB 进行的编程做了详细介绍。 关键词: 热连轧机组自动化系统,组态软件InTouch,Visual Basic Abstract: This paper mainly discuss the program and the application of the Intouch 8.0 and Visual Basic in the Guangdong Hongde 520mm hot mill control system. Firstly introduce the intouch 8.0. Then show the constitute of the hot mill automation control system . At last it give the detail information of the design and programming of the Intouch 8.0 and Visual Basic . Key words: Hot mill automation control system, Intouch , Visual Basic