CHAPTER 3: INSTALLATION CONNECT TO THE L90L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL 3-5932. Click the Discover button. The software searches for UR devices on the computer subnet and adds any found to theOnline Window area. If a required device is not found, add it manually as outlined earlier.Figure 3-59: Discover button to detect UR devices in network3.8 Connect to the L90There are four ways to the connect to the device, as follows:• RS232 port (outlined here)• RS485 port• Ethernet port (outlined here)• LANWhen unable to connect because of an "ACCESS VIOLATION," access Device Setup and refresh the order code for thedevice.When unable to connect, ensure that the same IP address is not assigned to multiple L90 ports, for example underSettings > Product Setup > Communications > Network.3.8.1 Connect to the L90 in EnerVistaFor information on using the EnerVista software, see the Interfaces chapter.To access the relay in EnerVista:1. Open the Settings > Product Setup > Display Properties window as shown. The window opens with a status indicatoron the lower left of the EnerVista UR Setup window.When multiple computers are connected to a L90 device, EnerVista settings windows are not updatedautomatically. They are refreshed when re-opened. If a user changes a setting on one computer, the other usersneed to refresh the display by closing and opening the settings window to see the change. To ensure that currentsettings are always viewed, close settings windows when not in use so that they are up-to-date when nextaccessed.
