Question

What is the 'device descriptor type 0' of a KNX device?

KNX BasicLearnKNX Bus DevicesMedium
Answer

D — Another name for the mask version, identifying the system-software profile

Correct: The system-software profile is identified by a mask version, also called device descriptor type 0.

Source

KNX Basic Course Documentation — 2 — p. 126

All proposed choices (exam context)
  1. A.The KNX serial number assigned in the factory
  2. B.The individual address of the device
  3. C.The manufacturer code of the application program
  4. D.Another name for the mask version, identifying the system-software profile
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Last updated: 19 May 2026

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