Question
In the common 3-level group address convention, what does the MAIN group represent?
Answer
B — The floor number
Correct: In the common convention the main group is the floor number.
Source
KNX Basic Course Documentation — 3.2.1 — p. 34
All proposed choices (exam context)
- A.The functional domain (lighting, heating, ...)
- B.The floor number✓
- C.The individual load
- D.The area of the topology
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