Glossary term
DPT
dptBasics
Also known as
Datapoint Type
Definition
Semantic typing of data transmitted on the KNX bus. Format `m.nnn`: family (1 to 251+) + sub-type (precise semantics). Standardised in KNX Specifications Vol. 3/7/2.
Questions using this term
- DPT 1.001 (Switch) and DPT 1.008 (UpDown) have the same bit length and the same binary structure; only their semantic meaning differs.3. Bus Devices · DPT (Datapoint Types)
- The ETS Bus Monitor displays telegrams at the raw frame level, whereas the Group Monitor presents them filtered and formatted at the Group Address level.8. Diagnostics · Monitoring-Werkzeuge
- Activating Data Secure on a Group Address adds a per-telegram overhead (authentication and encryption) that reduces the usable application payload.9. KNX Secure · Data-Secure-Overhead
- The KNX Basic theoretical exam is open-book: candidates may consult their PDF or paper course documentation during the test.10. Exam Meta · Prüfungsregeln
- DPT 20.102 (HVAC Mode) encodes the four standard modes - Comfort (1), Standby (2), Economy (3) and Building Protection (4) - and is applied as a cascade from the currently active mode.4. HVAC Control · HVAC-Modi
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