Rockwell Automation AADvance Controller Configuration Guide - Manual (Page 203)

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 The identity of the serial or Ethernet port you intend to use.
The AADvance Workbench provides separate editors for the Modbus master objects
and for their slave links. In each editor, you will navigate between tabbed pages to
reach the various configuration settings. Click Apply to save your settings before you
leave a tabbed page.
Note: If you alter the settings and omit to click Apply before you try to navigate
away from them, the Workbench prompts you to save your changes. Click Yes.
About the Modbus Master Bus
The controller accesses its Modbus master functionality through a single Modbus
Master Bus. You have to configure the AADvance Workbench to use the Modbus
Master Bus with an application. After you have done this, the AADvance Workbench
has a graphical display to show you the relationships between your Modbus objects.
Insert the Modbus Master Bus
You have to insert the Modbus Master Bus before you can define Modbus Master
objects and their Modbus Slave link objects.
To insert the Modbus Master Bus do the following:
1) Select the Equipment tab on the Project tree view.
2) Right-click on 9110 Processor and select Insert Modbus Master Bus.
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The Workbench inserts the Modbus Master Bus below the 9110 Processor.
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You can now create a Modbus Master object.
The structure of the master objects and their slave link objects in relation to the
Modbus Master Bus looks like this.