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过程控制实验是过程控制工程课的重要教学环节,触摸屏HMI(Human Machine Interface,人机界面)简单易用,功能强大,非常适合用于工业环境,应用非常广泛。文中重点介绍了威纶通HMI在过程控制实验装置的应用,譬如HMI的界面设计,编写宏指令实现PID控制等。实验装置培养和增强了学生的实际工作能力与解决实际问题的能力。
Process control experiment is an important teaching process in process control engineering. The HMI (Human Machine Interface) is easy to use and powerful. It is very suitable for industrial environment and is widely used. The paper mainly introduces the application of Wei Lun Tong HMI in the process control experiment equipment, such as the interface design of HMI and the compilation of macros to realize the PID control. Experimental devices train and enhance students’ practical ability to work and solve practical problems.