How to change baud rate for RS232, RS485 and USB interface devices

The baud rate of dam series equipment (except 1600A special rate) is 9600, and the modifiable range is 2400-38400. The method of modifying baud rate is as follows:

① Use the default baud rate of 9600 to open the serial port to confirm normal communication;

② Click baud rate setting to select baud rate from the drop-down list and click setting;

③ . power on the equipment again;

④ Use the modified baud rate for communication test.

Note: the maximum baud rate of the equipment can only be modified to 38400. If 115200 baud rate is selected, the modification is invalid. At the same time, the error of writing parameters may cause the equipment to fail to communicate normally. At this time, it is necessary to return the equipment to the factory and refresh the program again.