分布式I/O系统在工业现场的应用  

Application of Distributed I/O System in Industrial Field

作　　者：张涛 Zhang Tao(BGRIMM Technology Group,Beijing 100160)

机构地区：[1]矿冶科技集团有限公司,北京100160

出　　处：《中国仪器仪表》2023年第8期32-35,共4页China Instrumentation

摘　　要：针对当前工业现场多种形式的分布式I/O系统,以工程设计经验及现场应用实践为基础,介绍了定制型分布式I/O系统、标准型分布式I/O系统、各种总线协议的分布式I/O系统、总线阀岛控制单元I/O系统等应用较为成熟的方案;通过对各分布式I/O系统方案优、缺点的分析,指出了各系统的适用场景及设计时的注意事项,并提出了未来分布式I/O系统在硬件及软件功能上的发展趋势。For various types of distributed I/O system in industrial field,based on the engineering experience and industrial application practices,some mature applicated plans such as customized distributed I/O systems,standard distributed I/O systems,distributed I/O systems of various bus protocols,and I/O systems of bus valve terminal control units etc.are introduced.Advantages,disadvantages of each distributed I/O system are analyzed for each system plan,and point out applicable condition for each plan and items needing attention in design,and the development trends of distributed I/O system in hardware and software function in the future are also proposed.

关 键 词：分布式I/O系统 现场总线 通信 工业应用 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]