Question
A functioning KNX bus device principally consists of three interconnecting parts: a bus coupling unit (BCU), an application module (AM) and an application program (AP).
Answer
True
The source states a functioning bus device principally consists of these three interconnecting parts.
Preparation tip
Remember the trio: BCU + application module + application program.
Source
KNX Basic Course Documentation — 1.1 — p. 123
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