【摘要】 介绍了基于LonWorks现场总线的油罐测控系统 ,包括系统总体结构、现场总线测控节点硬件和软件设计及监控计算机的功能实现。相对于DCS和PLC构成的测控系统 ,该系统具有可靠性高、实时性好、测量精度高、控制性能好、成本低、易于扩展等特点。更多还原

【Abstract】 This paper introduces the design and implement of a LonWorks fieldbus based Hydrostatic Tank measurement and control system,including the overall structure of the control system,the hardware and software design of fieldbus measure and control nodes and the design of monitoring and optimization level.Comparing with the systems based on DCS or PLC,this system features high reliability,good real time characteristic,high measurement precision,good control performance,lower cost and easy to expand.更多还原