GE 239 Instruction Manual page 98

6 239PC SOFTWARE
3. If 239PC cannot establish communication with the relay, the following message will be displayed.
4. Click on Yes to edit the 239PC communication settings. This will display the COMMUNICATION/
COMPUTER window shown below.
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5. Set Slave Address to match the relay address setpoint.
6. Set Communication Port # to the COM port where the relay is connected.
7. Set Baud Rate to match the relay baud rate setpoint.
8. Set Parity to match the relay parity setpoint.
9. If using the GE Multilin F485 converter, leave the Control Type setting as is.
10. Set Startup Mode to "Communicate with relay".
11. Click the ON button to communicate with the relay and 239PC will notify when communications
have been established with the relay. If it fails to communicate, check the following:
• Ensure that the settings above match the relay settings.
• Ensure the COM port setting matches the COM port being used.
• Ensure the hardware is connected correctly as shown in Figure 6–1: TYPICAL COMMU-
NICATIONS SETUP on page 6–1.
• Ensure the RS485 cable polarity is correct and connected to the correct relay terminals.
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Courtesy of NationalSwitchgear.com
239 Motor Protection Relay
6 239PC SOFTWARE
GE Multilin