The server needs to be physically plugged into a network via a standard ethernet cable (RJ45).
The Internet settings of the SDG Plug and Play ScadaTM Server can be set from any other (Windows) PC on
the same physical network segment by running the pnpsetip.exe program that came with the server. If you
run the program, all the MAC addresses of all Plug and Play Scada servers will appear in the dropdown,
allowing you to set their IP-s, Subnets and Gateways.

pnpsetip is a small windows program that you can download here
It allows you to set the IP of any PnPScada server on the subnet.
Run it and click on Refresh

In the dropdown, you will be given a list of all the MAC Addresses of recognised PnPScada servers on the current subnet.
If you have multiple PnPScada servers on the subnet, try to isolate your server so you can determine the correct MAC Address.
Enter your IP, gateway and netmask.
If you don't have a gateway, leave the field empty.
Then click set.
Your server should be set to the new IP settings in about 10 seconds.
You can ping and browse your server to determine if it has changed to the new settings.

This is to change your pnpscada server ip address