GE Multilin L90 Line Current Differential System 1-91 GETTING STARTED 1.3 ENERVISTA UR SETUP SOFTWARE110. Enter the relay slave address and Modbus port address values from the respective settings in the SETTINGS PROD-UCT SETUP COMMUNICATIONS MODBUS PROTOCOL menu.11. Click the Read Order Code button to connect to the L90 device and upload the order code. If an communications erroroccurs, ensure that the three EnerVista UR Setup values entered in the previous steps correspond to the relay settingvalues.12. Click OK when the relay order code has been received. The new device is added to the Site List window (or Onlinewindow) located in the top left corner of the main EnerVista UR Setup window.The Site Device has now been configured for Ethernet communications. Proceed to the Connecting to the L90 section tobegin communications.1.3.4 USING THE QUICK CONNECT FEATUREa) USING QUICK CONNECT VIA THE FRONT PANEL RS232 PORTBefore starting, verify that the serial cable is properly connected from the computer to the front panel RS232 port with astraight-through 9-pin to 9-pin RS232 cable.1. Verify that the latest version of the EnerVista UR Setup software is installed (available from the GE EnerVista CD oronline from http://www.gedigitalenergy.com/multilin). See the Software Installation section if not already installed.2. Select the “UR” device from the EnerVista Launchpad to start EnerVista UR Setup.3. Click the Quick Connect button to open the Quick Connect dialog box.4. Select the Serial interface and the correct COM Port, then click Connect.5. The EnerVista UR Setup software creates a site named “Quick Connect” with a corresponding device also named“Quick Connect” and displays them at the upper-left of the screen. Expand the sections to view data directly from theL90 device.Each time that the EnerVista UR Setup software is initialized, click the Quick Connect button to establish direct communi-cations to the L90 device. This ensures that configuration of the EnerVista UR Setup software matches the L90 model num-ber.b) USING QUICK CONNECT VIA THE REAR ETHERNET PORTSTo use the Quick Connect feature to access the L90 from a computer through Ethernet, first assign an IP address to therelay from the front panel keyboard.1. Press the MENU key until the SETTINGS menu displays.2. Navigate to the SETTINGS PRODUCT SETUP COMMUNICATIONS NETWORK IP ADDRESS setting.3. Enter an IP address, for example “1.1.1.1,” and select the ENTER key to save the value.4. In the same menu, select the SUBNET IP MASK setting.5. Enter a subnet IP address, for example “255.0.0.0,” and press the ENTER key to save the value.