Eaton INDGW-X2, User Manual

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Settings
Contextual help of the web interface – 131
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3.7.6.6 Troubleshooting
Modbus communication doesn't work
Symptoms
Communication doesn't work
Possible cause
Incorrect communication parameters.
Verify that the communication parameters are set to the desired settings.For Modbus TCP configuration refer to the section
Contextual help>>>Settings>>>Modbus>>>Modbus TCP .
For Modbus RTU configuration refer to the section Contextual help>>>Settings>>>Modbus>>>Modbus RTU .
RS-485 communication lines are reversed
For two-wire networks refer to the section Installing the Network Management Module>>>Wiring the RS-485 Modbus RTU
terminal>>>Two-wire networks .
For four-wire networks refer to the section Installing the Network Management Module>>>Wiring the RS-485 Modbus RTU
terminal>>>Four-wire networks .
If the Modbus Card is the last device installed in the network chain or the length of the network cable is excessive,
termination needs to be enabled.
Verify the termination settings and refer to the section
Installing the Network Management Module>>>Wiring the
RS-485 Modbus RTU terminal>>>Configuring the termination .
3.7.6.6.1 For other issues
3.7.7 Certificate
3.7.7.1 Pairing with clients
Refer to the section Servicing the Network Management Module>>>Configuring Modbus to get configuration
and testings information.
For details on other issues, see the Troubleshooting section.
For details on pairing instructions, follow the link pairing instructions in the tile or see the Servicing the Network
Management Module
>>>Pairing agent to the Network Module
section.