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为了采集多个AI系列温控仪表的温度信号,该文介绍了Lab Windows/CVI的串口轮询设计方案、AIBUS通信协议、系统硬件连接以及软件功能实现,设计了一种基于AIBUS通信协议和虚拟仪器Lab Windows/CVI的温度测试系统。该系统组态简单,可靠性好,在实际应用中取得了较好的测试效果。
In order to collect the temperature signals of several AI series temperature control instruments, this paper introduces the serial port polling design of LabWindows / CVI, the AIBUS communication protocol, the system hardware connection and the realization of the software functions. A software design based on AIBUS communication protocol and virtual Instrument Lab Windows / CVI temperature test system. The system configuration is simple, reliable, and achieved good test results in practical applications.