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基于 RS485总线结构的一卡通组网方式渐渐不能适应系统扩展的需求。近年来发展起来的基于 TCP/IP 网络结构的一卡通系统的优点越来越明显。本文分析了两种结构一卡通系统的优缺点。
Based on the RS485 bus structure of the card network gradually can not adapt to the system expansion needs. The advantages of the one-card system based on TCP / IP network structure developed in recent years are more and more obvious. This article analyzes the advantages and disadvantages of two kinds of structure card systems.