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以开发新风机组温度测控系统为例，介绍了用ＶＢ和ＦＣ５１开发的ＩＢＭＰＣ微机与单片机间进行通信的具体实现技术，讨论了采用高级语言实现测控系统通信的软硬件、通信协议等。
Taking the temperature measurement and control system of fresh air unit as an example, this paper introduces the implementation technology of communication between IBMPC microcomputer and MCU developed by VB and FC51, and discusses the software, hardware and communication protocol of high - level language for the communication of measurement and control system.