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针对铁路站场车辆防溜作业的现状,设计了一种基于PLC的车辆防溜系统。该系统采用西门子公司S-300系列的PLC,并通过工业以太网实现PLC与上位机之间的通信,从而实现对到发场各股道的防溜制动器的自动控制、状态监测及故障保护。文中对系统的结构、原理及软硬件设计方法作了详细介绍。
Aiming at the present situation of anti-slip operation of railway station yard, a PLC-based vehicle anti-slip system is designed. The system uses Siemens S-300 series PLC, and through the Industrial Ethernet PLC and the host computer communication between the hair in order to achieve the stock market anti-slip brake automatic control, condition monitoring and fault protection. The article describes the system structure, principles and hardware and software design methods.