根据列车提速的需要,ZPW-2000A得到广泛运用。现就ZPW-2000A站内发码报警问题谈一点认识。1问题提出某站办理SN(XN)方向接车进路和反方向发车通过进路(如图1),当SN(XN)外方5LQ区段有车占用(或红光带)使5LQJ↓时,主发送器不能正常工作,倒向N+1发送器工作,控制台站内发码报警。列 According to the needs of train speed, ZPW-2000A has been widely used. ZPW-2000A station now on the issue of the code to talk about a little alarm. 1 problem proposed a station for the SN (XN) direction to take the car into the road and the opposite direction through the road (Figure 1), when SN (XN) outside the 5LQ section car occupied (or red zone) to 5LQJ ↓ When, the main transmitter can not work normally, turn to N + 1 transmitter work, the control station sends yard alarm. Column