Glossary term
COV
gtbIntermediate
Also known as
Change of ValueBACnet COV
Definition
Change of Value: BACnet mechanism allowing a client to subscribe to changes in an object property. The server sends notifications only when the value exceeds a configurable increment (COV Increment), reducing traffic compared to polling.
Source
https://www.bacnet.org/Questions using this term
- The KNX standard is internationally standardised under the reference ISO/IEC 14543-3.1. System Overview · Normung
- The FDSK (Factory Default Setup Key) of a Secure device is a factory key, printed on the device as a QR code, that is used when the device is first integrated into ETS.9. KNX Secure · FDSK
- What is the principle of Constant Light Control regulation in KNX?5. Lighting Control · Constant Light Control
- A typical 3-5 year KNX maintenance contract usually includes: an annual preventive visit (PSU check, bus load, vendor firmware updates), curative intervention within 4-24 h depending on SLA, an automatic monthly backup of the ETS project, and an annual parameter review with the client.13. Project best practices · Wartungsverträge
- BACnet relies on an object-oriented model: every device exposes Objects (e.g. Analog Input, Binary Output) that contain Properties (Present_Value, Object_Name, Description, etc.).1. Architecture · Objektorientiertes Modell
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