介绍了电动机变频调速系统与VB通信界面的开发,实验证明,具有较好的实时性和正确的数据传输能力,同时具有较好的实用性和教学价值.%The paper introduces the development of the interface between frequency speed control system of motor and VB communication. The experiment proves that good real-time performance and accurate date transmission capability as well as values of application and teaching exist in the system.
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