Glossary term
ACK
communicationIntermediate
Also known as
Acknowledgment
Definition
Positive acknowledgement sent by the receiver of a correctly received telegram. Link-layer mechanism that lets the sender know whether its telegram was received.
Questions using this term
- In an installation predating 2018, a maximum of 64 sensors, actuators, line couplers and backbone couplers can be connected to a TP main line.2. TP Topology · Offizielle Musterprüfung 4
- The emergency lighting of a building CANNOT be driven by KNX alone: it must comply with dedicated standards (NF EN 1838, EN 50172) that require a self-contained system with a backup battery.5. Lighting Control · Sicherheitsbeleuchtung
- A standard KNX end-of-works deliverable typically includes the .knxproj project file, printed documentation (topology, Group Address table, electrical schematics), functional-test reports, user training, and a separate .knxkeys keyring file when KNX Secure is used.13. Project best practices · Projektdokumentation
- RGB control via KNX is typically performed with 3-byte colour telegrams (DPT 232.600).5. Lighting Control · Beleuchtung & Beschattung
- BACnet defines standardised BackupAndRestoreFile services that let a BMS save and restore the full configuration of a device (parameters, programming, mappings) in case of hardware replacement.7. Backup & Restore · Konfigurations-Backup
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