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ClientComStruc.jpg
Figure 6.4.2.4-1 Example of OPC client communication structure
The OPC client object is added to the same hierarchy level as the OPC server, see Fig-
ure 6.4.2.4-1. Below the OPC client object, you can add only channel and device objects.
The data objects are linked using the Cross-References function from the servers to the
client and further to the NCC. The Cross-References function can be also used to con-
figure the parameters of the data objects.
Add the objects in the following order:
1.
OPC client object
2.
Channel/Subnetwork object depending on protocol
3.
Device object.
Configuring object properties
6.4.2.5.
After the objects have been added, configure the object properties.
To configure an object:
1.
Select an object in the object tree of the Communication structure.
2.
The object properties appear now in the Object Properties window, see Figure 6.4.2.5-
1. You can see the selected object on the left and the available properties on the
right.
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