Interface circuit used between beacon encoder and interlocking machine

The invention discloses an interface circuit used between a beacon encoder and an interlocking machine, relates to the technical field of railways and circuits, and mainly aims to enable the interface circuit to identify a coming train mode and improve the running safety of a train. According to the main technical scheme, an interface circuit comprises a lighting relay, a train signal relay, a turnout positioning indication relay and a turnout anti-position indication relay; the first end of the lighting relay is connected with the interlocking machine through the first interface cabinet, and the second end is connected with the first end of the train signal relay, the first end of the turnout positioning indication relay and the first end of the turnout anti-position indication relay. The second end of the train signal relay, the second end of the turnout positioning indication relay and the second end of the turnout anti-position indication relay are connected with a beacon encoder through a second interfac