Platform door control system

The embodiment of the utility model discloses a platform door control system which comprises a door control unit, and an electromagnetic lock, a power supply, a motor, a central control panel, a local control box, an emergency door, an end door and a door state indicator lamp which are connected with the door control unit, the door control unit comprises a processor module, and an electromagnetic lock detection module, a power supply module, a motor driving module, an obstacle detection module, a communication module and an input and output full-isolation module which are connected with the processor module; the power supply module comprises a main power supply and a standby power supply, the processing module comprises a main processor and a standby processor, and the communication module comprises a main communication module and a standby communication module. The door control unit provided by the embodiment of the utility model adopts a modular design, and the important power supply module, the processor m