小型铁路专用线业务微机控制和管理系统的设计与实现

Design and Implementation of the Control and Management Operation System for Compact Type Railroad Customizing Line

介绍用微机(PLC)控制铁路专用线的道岔和信号机的原理、方法、连锁逻辑编程步骤和技巧以及业务管理系统的实现，分析了系统安全性问题以及采取的措施。

This paper introduces the fundamentals and the methods of the crossing road and the signal machine, which belong to the customizing line controlled by PLC microcomputer. It also presents the logical interlock programming steps and techniques, as well as the implementation of the operation management system. Meanwhile, it analyzes the system security problems and the solutions to them.