RS485/422磁隔离技术与应用设计

RS485 /422 magnetic isolation technique and application design

在工业控制系统与船舶导航设备中,RS485/422作为一种高性能串行通信方式被广泛采用。以RS485/422接口隔离电路为主要研究对象,分析了传统的隔离型RS485/422接口电路,提出了采用磁隔离技术实现RS485/422接口隔离的方案,可以提高串行通信的可靠性,而且电路设计简单。

RS485/422, as a high performance serial communication mode , is widely used in industrial control systems and ship navigation equipment .RS485/422 interface isolation circuit was taken as the research subject and RS485/422 interface isolation circuits design with magnetic isolation technology was proposed after an analysis of traditional isolation circuit RS 485/422 .This solution not only improved the performance of serial communication but also simplified the design of the circuit .