Question
Which component in a KNX bus device separates the DC supply voltage from the AC information (data) voltage?
Answer
B — The transformer-IC
Correct: The transformer-IC in the bus device separates the DC supply voltage from the AC information voltage.
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An error or unclear wording? Report this questionAll proposed choices (exam context)
- A.A shield connected to protective earth
- B.The transformer-IC✓
- C.A choke located inside each bus device
- D.The application interface
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