Abstract：The TY JL-I type station computer interlocking system is a newly improved system which consists of two parts i. e. the micro-computer system and the relay circuit. This system has the interlocking function for the realization to guarantee the safety of train operation and the car shunting. Furthermore，the system has also the function of single~coupler humping and continuous humping- The characteristic of the system is reliable， it is a computer interlocking system with safety against failure， perfect functions and convenient operation. The system s structure， hardware composition and interface design are introduced mainly in this paper.
2000, Vol. 17 
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