Question
By how much can sleep mode reduce a KNX RF-Multi device's energy consumption?
Answer
C — Up to 80 % for fast channels and up to 99 % for slow channels
Correct: sleep mode saves up to 80 % on fast channels and up to 99 % on slow channels, the device being woken periodically to receive.
Source
KNX Basic Course Documentation — 3.2 — p. 145
All proposed choices (exam context)
- A.Up to 99 % for both fast and slow channels
- B.Up to 99 % for fast channels and up to 80 % for slow channels
- C.Up to 80 % for fast channels and up to 99 % for slow channels✓
- D.Up to 50 % for fast channels and up to 70 % for slow channels
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