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本文首先介绍了数控车间组网通讯中RS232C接口与电缆线的硬件连接,然后对点对点式网络拓扑结构和基于串口扩展卡的星型拓扑结构进行分析与比较,从而得出数控车间串行通信连接系统的最佳方案。
This paper firstly introduces the hardware connection of RS232C interface and cable in CNC workshop network communication, and then analyzes and compares the point-to-point network topology and the star topology based on the serial port expansion card to get the serial communication connection The best solution for the system