【摘要】 以PLC控制器组成的机务段内信号机控制系统能自动检测道岔搬动位置 ,并以此为依据显示股道连通情况 ,指示和控制信号机工作状态 ,以及故障显示和报警。该系统具有可靠性高 ,易于集中管理和操作方便灵活等特点。更多还原

【Abstract】 This system is able to automatically detect the switching of nails in locomotive maintenance sections, display nail linkage, control signal lamp status and give off an alarm when trouble arises. The advantages are many such as high reliability, centralized control, operational convenience, and so forth.更多还原