In normal operating conditions, on-vehicle ATC system shall keep the Emergency Braking Relay (EBR) system on.In emergencies, EBR relay shall be disconnected to stop the vehicle.

• 车载ATC系统在正常情况下需保持紧急制动继电器（EBR）在得电状态,如要进行紧急制动时,以紧急制动继电器接点断开作为触发紧急制动要求。