Control circuit of switching station

The utility model discloses a control circuit of a switching station. The device comprises a CPU, an Ethernet MAC controller, a serial port communication interface circuit, an SPI-to-serial port circuit, a 4G wireless communication circuit, a broadband carrier communication circuit, a low-power-consumption wireless communication circuit, a switching value input circuit, a switching value output circuit, an analog quantity acquisition circuit, a local debugging interface circuit, a function expansion interface circuit and a power supply circuit, the Ethernet communication interface is connectedwith the CPU through an Ethernet MAC controller. The serial port communication interface circuit is connected with the CPU through the SPI-to-serial port circuit; and the rest circuits are connectedwith the CPU. According to the control circuit of the switching station, the circuit structure is reasonable, the functions are diversified, and the hardware requirements for centralized detection andcentralized management of