System and method for downloading application program of industrial electric vehicle driver

A system for downloading an application program of an industrial electric vehicle driver, comprising:

• a downloader, a USB/CAN bus converter and a plurality of drivers;
• wherein the downloader is connected to a production execution system and the USB/CAN bus converter, respectively, the USB/CAN bus converter has a plurality of CAN bus channels, each of the CAN bus channels comprises a plurality of nodes, and each of the nodes is provided with a driver of the plurality of drivers;
• wherein the downloader is configured to:
• sequentially scan the drivers on each node under the plurality of CAN bus channels of the USB/CAN bus converter, and obtain a serial number stored in each of the drivers;
• automatically match an application program file from the production execution system according to the serial number of each of the drivers;
• load the application program file and extract application program data from the application program file;
• create and issue a first command data frame of a data domain process to a first driver, and initialize a download identification;
• create and issue a second command data frame of upload/download mode to a second driver;
• create and issue a third command data frame of a data address record to a third driver;
• create a fourth data frame of an application program;
• create and issue a fifth command data frame of ending a data frame to a fourth driver when the application program is downloaded completely;
• create and issue a sixth command data frame of ending the data domain process to a fifth driver, and reset the download identification;
• and
• create and issue a seventh command data frame of restarting node to a sixth driver to allow the application program downloaded in the sixth driver to take effect.