摘要
通过对DCS和可编程逻辑控制器(PLC)系统的3种不同通讯方案的比较,介绍了在上海漕泾热电有限责任公司应用的基于过程控制的对象链接和嵌套技术(OPC)的通讯方案。
Through comparison of three different communication schemes between distributed control system(DCS) and programmable logic controller(PLC), a communication scheme based on OPC technology used for process control realized in Shanghai Caojing Thermal Power Co Ltd has been presented.
出处
《热力发电》
CAS
北大核心
2007年第9期63-65,共3页
Thermal Power Generation
关键词
DCS
PLC
OPC
上位机
以太网
DCS, PLC
OPC
upper positioned computer
ethernet
local area network~ redundancy