1、基于 PLC 的车道控制机组态设计 -I- 摘 要 本文在全面讨论车道控制机技术的基础上, 深入研究了其中的控制系统结构。 从系统设计的角度出发,提出了基于 plc 的控制系统解决方案。通过组态软件 “wincc” , 设计讨论了车道控制机的软件和硬件及其组态, 并建立了控制机内外控 制部分的集成监控系统。在分析车道控制系统功能的基础上,确定了系统的整体 结构。 本文重点对车道收费流程控制方案进行了深入而详细的讨论,并提出了基于 PLC 的车道控制组态设计。通过组态软件与 PLC 的实时通信,实现了系统的实时 监测、自动控制和运行诊断。本文方案满足了系统可靠性、稳定性和时效性要求 功能,体现了
2、先进性和实用性的统一。 关键词 车道控制,WinCC,PLC Abstract On the basis of the comprehensive discussion of roadway controller technology,this paper presents a thorough study of the control system structure.From the Angle of system design,one scheme is proposed based on PLC.We discussed the design of the roadway contro
3、ller system and its software and hardware configuration through the configuration software “WinCC”.And an integrated monitoring system to monitor the systems internal and external components is established.The overall structure of the system is determined based on the analysis of the roadway control
4、ler systems function. To PLC as a tool,in-depth discussion of the driveway charging process plan has been taken.Focus on the configuration of the system,a PLC-based configuration design is proposed.The system could achieve its real-time monitoring, controlling and operation diagnosis by means of the real-time communication between the configuration software and the PLC.This scheme could meet the system reliability and stability and time-effectiveness demand function, embodies the unity of adv