Adding Modbus Serial Ied Object; Adding Data Objects Using Cross-References Function - ABB COM600 series User Manual

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3.3.4.
3.3.5.
COM600 series, Version 5.1
Modbus Serial Slave (OPC) User's Manual
To add Modbus Serial Channel object:
1. Select a Modbus Serial Slave OPC Client object and right-click it.
2. Add a Modbus Serial Channel object.
3. Rename the new object. The names of the Modbus Serial Channel objects within a
Modbus Serial Slave OPC Client must be unique.

Adding Modbus Serial IED object

After a channel object has been successfully added, continue building the structure by
adding the Modbus Serial Channel object. All the data can be connected to one device
or divided to several slave devices. Before dividing data to several slave devices, check
that the current protocol mode and the master system support the feature.
To add a Modbus Serial IED object:
1. Select a Modbus Serial Channel object.
2. Add a Modbus Serial IED object.
3. Rename the new object. The names within Modbus Serial Channel must be unique.

Adding data objects using Cross-References function

Data objects are added by dragging and dropping from an OPC server to the Modbus
Serial Slave OPC Client.
To add data objects:
1. Select a Modbus Serial IED object and right-click it.
2. Select Cross-References. The Cross-References function appears (see Figure 3.3.5-
1).
3. In the Project Explorer, select a logical node within an OPC server, from which you
want to connect the data objects to the Modbus Serial Slave OPC Client.
You can also select an upper level (server, channel, etc.)
object and drag and drop it into the Cross-References
function. All the data objects within the selected object
appear in the Cross-References function and can be con-
nected to the Modbus Serial Slave OPC Client.
4. Drag and drop the logical node into the Cross-References function. The data objects
within the logical node appear in the Cross-References function.
5. Specify the addresses that map to the data objects.
Only Coils and Holding registers can be mapped, input
status and input registers should not be used.
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