Question
How is bus access organised in KNX TP?
Answer
C — Decentralised: there is no central master/slave controller and each device accesses the bus itself
Source
KNX Basic Course Documentation — 8 — p. 49
All proposed choices (exam context)
- A.A central master polls each device in turn
- B.A token is passed between devices in a fixed order
- C.Decentralised: there is no central master/slave controller and each device accesses the bus itself✓
- D.The power supply assigns each device a fixed time slot
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