Question
In KNX TP, which logical state is represented by current being drawn (signal voltage present) on the line?
Answer
A — Logical 0
Correct: During logical state 0 there is signal voltage and current is drawn on the line.
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An error or unclear wording? Report this questionAll proposed choices (exam context)
- A.Logical 0✓
- B.Logical 1
- C.Neither state draws current; both are coded purely by a voltage level
- D.Both 0 and 1 draw the same current
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