GE Power Management
MM2 Motor Manager 2 8-5
8 MM2PC
®
SOFTWARE 8.3 CONFIGURATION
8
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
®
will notify when it has established
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