CONNECT TO THE L90
Click the Discover button. The software searches for UR devices on the computer subnet and adds any found to the
Online Window area. If a required device is not found, add it manually as outlined earlier.
3.8 Connect to the L90
There are four ways to the connect to the device, as follows:
RS232 port (outlined here)
Ethernet port (outlined here)
When unable to connect because of an "ACCESS VIOLATION," access Device Setup and refresh the order code for the
When unable to connect, ensure that the same IP address is not assigned to multiple L90 ports, for example under
Settings > Product Setup > Communications > Network.
When multiple computers are connected to a L90 device, EnerVista settings windows are not updated
automatically. They are refreshed when re-opened. If a user changes a setting on one computer, the other users
need to refresh the display by closing and opening the settings window to see the change. To ensure that current
settings are always viewed, close settings windows when not in use so that they are up-to-date when next
3.8.1 Connect to the L90 in EnerVista
For information on using the EnerVista software, see the Interfaces chapter.
To access the relay in EnerVista:
Open the Settings > Product Setup > Display Properties window as shown. The window opens with a status indicator
on the lower left of the EnerVista UR Setup window.
Figure 3-62: Discover button to detect UR devices in network
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CHAPTER 3: INSTALLATION