Recorder capable of being used for equipment data bus monitoring and equipment state monitoring

The invention discloses a recorder capable of being used for equipment data bus monitoring and equipment state monitoring, which comprises an FPGA, wherein the FPGA is connected with a 429 bus, a CANbus, a multi-path discrete magnitude acquisition system, a storage system and an independent power supply, the independent power supply is designed, the CAN bus adopts a digital isolator for isolationaccess, the multi-path discrete magnitude acquisition system adopts a voltage division differential input mode, the storage system is provided with an EMMC memory, and a balanced storage hardware ICis contained in the EMMC memory; the FPGA is accessed to the 429 bus by adopting an independent receiver mounting mode, the 429 bus comprises a 429 transceiver and an optocoupler which are connected with each other, the 429 transceiver is connected with a vehicle interface, and the optocoupler is connected with the FPGA; and the 429 bus is provided with an independent power supply which is completely isolated from FPGA powe