摘要
以金属离子浓度的远程测控为目的,设计并实现了一个基于公共电话网和RS485总线的金属离子浓度远程测控网络系统.介绍了系统构成和实现.该系统通过RS-485总线和电话网与PC上位机通信,实现远距离、多厂区多节点金属离子浓度测量与控制,具有结构简单、稳定可靠、操作方便等特点,因此具有较好的应用前景.
A design and implementation method of remote measurement and control of the metal ion concentration system based on public telephone network and RS-485 bus is presented.The system structure and implementation are introduced.The system communicates with host computer by the public telephone network and RS-485 bus for remote multi-factory and multi-node measurement and control,which has characteristics of simple structure,high reliability and easy operation.This system is also proved to be a relatively well prospect.
出处
《华南师范大学学报(自然科学版)》
CAS
北大核心
2010年第3期47-49,66,共4页
Journal of South China Normal University(Natural Science Edition)
关键词
远程测控
金属离子浓度
单片机
DTMF
remote measurement and control
metal ion concentration
single-chip
DTMF