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Important information about DALI

2020/10/28

Parameter

Parameter Value

Communication

Two-way communication   (feedback)

Polarity-free

The polarity (+/-) of   the DALI control line does not have to be minded

Max. count of DALI   operating devices per DALI subnet

64 +64 addresses

(64 pieces of control gear and 64 control devices connected at the same   time, assuming the bus power supply is sufficient)

Max. count of DALI   groups

16 / 32

(16 groups for control gear; 32 groups for control devices)

Max. count of DALI   scenes

16

DALI voltage

9.5 V - 22.5 V,   typical 16VDC -> Non SELV, because no galvanic isolation

DALI bus power supply

max. 250 mA (depending   on installed DALI power supply)

Max. bus current   consumption of load interface(e.g. driver)

2 mA per unit

Data transfer speed

1,200 Baud

Max. wire length

300 m for a   wire-cross-section (Q) of 1.5 mm2 (Between furthest-apart devices.   The smaller the Q, the shorter the wire length has to be)

NOTICE: A DALI power supply is always required for each DALI line.

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