Question

When was System 1 technology introduced, and what is its status today?

KNX BasicLearnKNX Bus DevicesMedium
Answer

C — With the first generation of KNX devices in 1991; it is still part of the KNX Standard

Correct: System 1 came with the first KNX device generation in 1991 and remains part of the KNX Standard.

Source

KNX Basic Course Documentation — 3.1 — p. 127

All proposed choices (exam context)
  1. A.In 1991, but it has since been removed from the KNX Standard
  2. B.In the late 1990s, together with System 2 and System 7
  3. C.With the first generation of KNX devices in 1991; it is still part of the KNX Standard
  4. D.With ETS6.1.1, as the newest profile
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