Glossary

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DALI

Digital Addressable Lighting Interface (DALI), worldwide standard protocol for lighting control interfacing systems, whose data exchange protocol is compliant with IEC 62386. DALI is a ZVEI (Zentralverband Elektrotechnik- und Elektronikindustrie e.V. trademark.

Datapoint (DPT)

The datapoints (shortly DPT) are a standard encoding of the data transmitted on the bus KNX via telegrams. Thanks to the definition of a datapoint system, the information exchange among KNX devices of different manufacturers is guaranteed.

Decentralized bus system

Bus system in which the functions are controlled locally by single bus devices without the need of a central unit

Delégo

ekinex® system which allows to control and monitor a domotic plant using a mobile device (smartphone and tablets) equipped with Apple iOS or Android operating system

Destination address

Group address of one or more KNX devices which receive a telegram

Dew point

Temperature value at which water vapor reaches the saturation point

Dimming

Process that allows the regulation of the brightness emitted by lighting sources. Dimmers are widely used to increase lighting comfort and save energy, realising lighting systems dependent e.g. on available daylight or presence or movement of people

DMX

Standard (DMX512) for asinchronous serial transmission of digital data between controllers, devices and accessories for the light industry, approved by ANSI (American National Standards Institute) and supported by ESTA (Entertainment Services and Technology Association).