基于RS-232标准实现的远距离多机主从式通信系统的设计

Design of long-distance digital communication based on RS-232

利用RS-232串行通信实现远距离多机数据通信和控制,设计原理简单,安全性高,与其他通信方式相比具有独特的优势.对系统的关键部分进行了详细说明,并根据系统的实际使用情况提出了线路铺设时应注意的问题.

RS-232 serial communication is an effective tool to carry out long-distance digital communication and remote control among many machines with simple principles and high reliability.Compared with other communicating ways,it has many unique advantages.The paper has illustrated the key components of the system in details.According to the actual service of the system,the pager has pointed out the matters needed to be paid attention to in the process of laying lines.