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6.3.3 Incorrect protocol selection
Ethernet-Serial Passthrough supports the Passthrough or Modbus TCP Gateway protocols. Set the XIO for
the Modbus TCP Gateway protocol only if the RMC communication application is setup as a Modbus TCP
client. Otherwise, use Passthrough. Mismatch in protocol configuration prevents communication.
To verify or configure the correct protocol:
Figure 6-19: Configure Protocol
6.3.4 Mismatched serial communication parameters
If the configuration corrections in the previous sections do not resolve the communication failure, verify or
correct the serial communication parameters.
To verify or configure serial communication parameters: