摘要
本文介绍了CAN总线的特性,并吸取当今先进的电站设计思想,在分析相关技术文献、资料的基础上,利用先进的嵌入式控制技术,PLC技术及现场总线通信技术等进行系统设计,给出了一种基于CAN总线的水电站自动化监控系统。与传统的水电站自动化监控系统相比,该方法改传统方法中将现场综合电量装置、保护装置及温度巡检装置通过RS485总线接到工控机上为将这些装置与PCC相连,通过PCC联到上位监控系统,使得整个现地单元自成一个独立的系统层次。增加了系统的稳定性和可靠性。避免了系统数据的丢失,同时简化了系统的结构,节约了系统硬件成本,更加利于资金不足的地区自建小型水电站。
A hydraulic power plant automatic monitor system based on CAN_ us is proposed in this paper. The system connects the field comprehensive electric parameter device, the protection device and the temperature-inspection device with PCC, rather than through RS485 with the industrial control computer. This approach makes the whole field unit integrated a self-governed system hierarchy, improves the stability and reliability of the system ,avoids the lose of system data, simplifies the structure of the system, and saves the cost of hardwares.
出处
《微计算机信息》
2004年第1期17-18,共2页
Control & Automation
