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KNX BASIC COURSE

Figure 33: The update flag

For certain masks (System B), it is also possible to set the “Read at Init” flag: if set, the
group object will automatically send a Read Value telegram after voltage recovery to
initialise the value of the group object.

Figure 34: Configuring group addresses

3.7 Configuring group addresses

In the case of KNX, devices that should perform a specific function together are “logically
wired” via group addresses.
Group addresses can be divided into two or three levels or one can create one’s own
structuring of group addresses.

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