RBC设备与多个子系统相连接,通过进行信息的传递和交互,来达到控制列车的目的,是CTCS-3级列控系统中重要的组成部分。RBC的接口能力是其在铁路沿线配置中的重要因素。本文利用已经成熟且逻辑分析能力强的Petri网技术,构建了RBC与其它系统接口的连接过程及信息传递关系的模型,清楚地说明了RBC的接口能力,为RBC的布置方案提供了重要依据。 RBC equipment connected to multiple subsystems, through the transmission of information and interaction, to achieve the purpose of train control, CTCS-3 train control system is an important part. RBC’s interface capability is an important factor in its configuration along the railway. This paper builds the model of the connection process and information transmission relationship between RBC and other system by using the mature and powerful logic analysis Petri net technology. It clearly illustrates the RBC’s interface capability and provides an important basis for the arrangement of RBC.