Chapter 3 Setting
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Group A
Controller 1
Controller 2
Controller 4
Controller 5
Controller 6
Controller 3
PC
Group B
Figure 3-1 An example of multicast group configuration
In multicast, controllers can be grouped as shown in the example of Figure 3-1.
Controllers 1, 2, 4, and 5 belong to Group A, and Controllers 3, 5, and 6 belong
to Group B.
In this example, multicast addresses are set as follows:
Multicast addresses in Group A ……225.224.0.1
Multicast addresses in Group B ……225.224.0.2
By doing this, the controllers can be grouped by registering them as follows:
Controllers 1, 2, 4……225.224.0.1
Controllers 3, 6…………225.224.0.2
Controllers 5……………225.224.0.1 and 225.224.0.2
The setting above allows messages to be passed to the controllers that belong
to the group simultaneously.
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