GE MOTOR MANAGER 2 Instruction Manual page 139

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8 MM2PC SOFTWARE
4. Ensure the computer is properly connected to the RS232/485 converter and the transmit and
DTR indicators on the front flash when the software attempts to communicate with the MM2. If
the indicators do not flash, the RS232/485 converter may not be connected to the correct com-
munications port. Serial communication ports on a computer are usually 9 or 25-pin male con-
nectors. Ensure that the RS232/485 converter box is connected to the correct computer port.
5. Click on the ON button to communicate with relay. MM2PC
communication link with the relay. If it fails to communicate check the following:
• review the settings above to ensure they match the relay settings
• the COM Port setting matches the COM Port being used
• the hardware connection is setup as in Figure 2–6: RS485 TERMINATION on page 2–7.
• the RS485 wire polarity is correct and is connected to the right terminals
Once the communication has been established click OK to return to the main screen
GE Power Management
MM2 Motor Manager 2
8.3 CONFIGURATION
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will notify when it has established
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