Abstract:

Many power electronic devices adopt non-standard communication protocol, making them unable to communicate with the upper machine directly. This paper introduced a method to solve the communication problem between embedded configuration touch screen and non-standard communication protocol equipment. The method uses the script-driven development tool provided by the embedded configuration software to write the device driver of the non-standard communication protocol. Then the device driver was loaded into the embedded configuration software to realize the communication. The test results showed that the communication between embedded configuration touch screen and non-standard communication protocol equipment was correct by using the device driver, and the sampling values received by embedded configuration touch screen were right and refreshed correctly. At the same time, the instruction was sent to equipment correctly and the equipment could change its mode following the instruction.

Key words: power electronic equipment, non-standard communication protocol, embedded configuration touch screen, configuration software, script-driven development tool, device driver