Question
How are data and supply carried on the KNX TP bus pair?
Answer
A — The AC data voltage is superimposed onto the DC supply voltage on the same pair
Correct: The AC data is superimposed onto the DC supply voltage on the same wire pair.
Source
KNX Basic Course Documentation — 10 — p. 51
All proposed choices (exam context)
- A.The AC data voltage is superimposed onto the DC supply voltage on the same pair✓
- B.Data uses one wire pair and the DC supply uses a separate pair
- C.The supply is an AC voltage and the data is a DC voltage
- D.Data and supply take turns in time on the same wires
Full bank
Keep going with the full KNX Basic bank
Keep going with the full KNX Basic bank: unlimited timed mock exams, detailed answers, history. From €9 (one-time payment).
See pricing — from €9 →Want more?
See the 9 other KNX Basic practice questions
Related questions
- ETS is available in four versions. Which statement is correct?1. KNX System Arguments · advantages-and-ets
- ETS Lite is limited to projects with how many products, and is primarily intended for whom?1. KNX System Arguments · advantages-and-ets
- What does the "backward compatibility" of KNX mean in practice?1. KNX System Arguments · advantages-and-ets
- In which year was the KNX Association established, and what was it initially called?1. KNX System Arguments · history-and-standardization
- In 1999 the EIBA merged with two other European associations. Which ones?1. KNX System Arguments · history-and-standardization