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Configuring the Bridge
35
Figure 15 Example: TCP/IP to Modbus Plus Mapping
Use your Tab key to select the MB+ Mapping table. Use your cursor ‘arrow’ keys,
Page Up, and Page Down to scroll through the table. F2 displays Help.
3.6.2 Entry Example: MB+ Mapping Table
In Figure 15, entry MBP_3 shows an example of custom routing to the Modbus
Plus path 35.10.0.0.0. In this example, incoming TCP.IP messages containing
dest_idx value 3 will cause the bridge to index into table location 3, and to use
these contents for routing the message to Modbus Plus. Messages will be routed
through a Bridge Plus node at address 35 on the local Modbus Plus network, and
forwarded to a destination node at address 10 on a second network.
3.6.3 Saving the Mapping
When you finish setting up the mapping fields for your application, press Escape.
You will be prompted:
Write files to disk?
Enter Y to save the configuration. Two files will written into the bridge’s root
directory. The TCP/IP configuration will be written to the file C:\WATTCP.CFG.
The MB+ and TCP address mapping tables will both be written to C:\RTE.CFG.
You can now use the bridge in your application.