And it USES asynchronous serial communication technology based on RS-485 electric interface as communication means. The process of sending data frames are analyzed and communication protocol was made.
并且使用了广泛应用的RS - 485电气接口的串行通讯技术作为通讯方式,文中分析了发送数据桢的过程,并制定了通讯协议。
An asynchronous serial communication protocol based on RS-232C is designed to realize the data communication between the PC and the system.
完成了基于RS - 232c标准异步串行通信协议的设计,实现了系统回波数据与PC机之间的数据交换。
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