Two different types routes for midway return operation during shunting in 6502 relayinterlocking for station are illustrated.
简述6502电气集中车站调车转线作业所形成的两种不同类型的中途返回进路。
2
Therefore it is necessary to perfect the existing relay equipment based on the rule of fault-safety in order to achieve the function of railway signal computer-based interlocking control system.