基于ZigBee的485信号传输系统设计  

Design of 485 signal transmission system based on ZigBee

作　　者：李毅[1] 罗建[1] 马宇锋[1] 郭少琨[1] 

机构地区：[1]西北工业大学航海学院,西安710072

出　　处：《国外电子测量技术》2010年第3期60-63,共4页Foreign Electronic Measurement Technology

摘　　要：设计了一个基于ZigBee技术的485信号无线传输组网系统,着重介绍了系统的无线接口硬件的设计,针对RS485网络主要应用于工业现场,采用了宽输入的双电源隔离供电,并对485信号进行了光电隔离处理,极大地提高了485电路通信的可靠性,保证了系统稳定运行。采用VB.NET语言编写了无线传输网络的管理软件,在ZigBee模块的透明操作模式下可实现对网络的管理与控制。The paper designed a wireless transport network system for 485 signal based on ZigBee,with the emphasis on the design of wireless interface hardware,in view of RS485 network is mainly used for industrial field,using a isolation double power supply of wide input,and processing the 485 signal with electro-opticalisolation,which greatly improved the reliability of communication for 485 circuit and ensured the stable operation of the system.VB.NET language is used in the wireless transport network management software,under a transparent operation mode of ZigBee module,the management and control to the network could be realized.

关 键 词：RS485 无线组网 ZIGBEE 光电隔离 

分 类 号：TN925[电子电信—通信与信息系统] TP27[电子电信—信息与通信工程]