Set the IP of RS485 TO WIFI/ETH and computer to the same network address and different node address IP:
For example, RS485 TO WIFI/ETH IP is 10.10.100.254; computer IP is 10.10.100.253
If you have not changed your IP, the shipping IP defaults to 10.10.100.254;
If you forget, you can configure the host computer tool in windows to enter the corresponding parameters to search for the device IP, as shown in the figure below: