过程控制多机串行通信网络与接口

Network and Interface of Serial Communication with Several Single-Chip Computer for Process Control

本文结合环形网络结构、总线网络结构和通信标准，分析、介绍各接口电路的设计特点和访问控制方式。

In this paper, the design characteristics of each interface circuit and access control mode are analysed and introduced in association with loop network construction and bus network construction and serial communication standard.