The Virdi ACU connection is configured as follows:

1. In the ACU IP field, enter the IP address of the controller.
   
2. In the ACU Subnet field, enter the subnet mask of the controller.
3. In the ACU Gateway field, enter the controller gateway.
4. Set the Dynamic IP checkbox if the controller operates in a network with the DHCP protocol.
5. In the Server IP field, enter the IP address of the ACFA PSIM Server.
6. In the Server port field, enter the port of the ACFA PSIM Server.
7. Click the Apply button to apply the settings.