RS485工业控制网络的设计  

作　　者：韩路平[1] 骆丹妮 

机构地区：[1]西安石油大学电子工程学院,陕西西安710065

出　　处：《工业控制计算机》2017年第11期32-33,共2页Industrial Control Computer

摘　　要：介绍了基于RS485通信的上下位机两主多从的网络设计,以工控机作为上位机,以MSP430单片机组成的系统作为从机,用e VC++开发上位机通信模块,完成上位机与下位机的通信组网,给出了硬件设计和软件设计,对遇到的问题进行了分析并给出了解决办法。测试结果表明在现场和机房都能够完成对机器的控制,达到了提高控制系统整体稳定性可靠性的目的。This paper introduces the upper and lower computer based on the RS485communication of the two main and more from the network design to IPC as the host computer to MSP430single-chip system as a slave,with eVC++development PC communication module to complete the host computer and the next crew communication network,gives the hardware design and software design,the problems encountered in the analysis and gives a solution.The test results show that the scene and the engine room are able to complete the control of the machine,to improve the control system as a whole Stability of the purpose of reliability.

关 键 词：RS485 同步定时 通信网络 总线控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]