Panametrics Aurora H2O, User Manual

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Appendix B. Aurora H2O Ethernet Operation
24 Aurora H2O User’s Manual
B.0.1 MODBUS/RTU
To change the default MB/TCP Ethernet protocol and use the MB/RTU protocol instead, follow the instructions in this
section.
Select MODBUS/RTU (MB/RTU) from the Aurora H2O menu ( Main Menu, Settings…,
Ethernet…, Protocol ).
To use Modbus/RTU over Ethernet, the Ethernet module must also be configured as
follows:
1. Log in to the web user interface. Either the root account or an operator account may be used to configure the
module.
2. Choose Serial Ports from the Configuration Menu . Verify that RealPort is selected as the Profile (see Figure 112
below).
3. Click on the Port 1 link to display the current Profile .
Figure 112: MB/RTU Serial Port 1 Profile
4. If the information displayed is not correct, change the profile as required.