A computer serial port communication system using laser beam as a carrier is proposed, with the emphasis on its hardware composition and software design consideration.
报道了一种以激光为载波通过计算机串口实现计算机之间通信的实验装置。重点介绍了该系统的硬件构成及软件设计方案。
Some techniques of serial communication are presented, including isolation protection of computer port, relationship between communication speed and distance, and so on.
并提出串口通信需要考虑的问题，包括计算机端口隔离保护、通信速率与距离的关系等。
How to implement serial communication between S7-200 PLC and computer based on free port mode was described in detail in the paper.
详细介绍了在自由口模式下S7 - 200 PLC与计算机实现串行通信的方法，重点介绍了通信协议及其实现方法，并给出了编程实例。
应用推荐