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DALI 2 standard dimmers at 12 / 48 Vdc

with 1 / 2 - channels

Codes: EK-GD2-DL-1-LV, EK-GD2-DL-2-LV

DALI 2 bus dimmer with 12/48 Vdc voltage supply and 1

or 2 channels, with brightness of LED sources control and

dimmable in PWM modulation.

Description

The ekinex dimmers DALI 2 standard with 1 / 2-channels

EK-GD2-DL-1-LV and EK-GD2-DL-2-LV allow brightness

control of LED loads from 12 to 48 Vdc in constant volta-

ge, dimmable in PWM modulation.

• The 1 CH model is DALI DT6 only and equipped with a

local control device (N.O. button), connected directly to

the dedicated input, with stand-alone or status update

function on the DALI bus.

• the 2 CH model can be configured with a single DT6

output channel, 2 single DT6 channels or a single chan-

nel in TW DALI DT8 mode.

DT6 / DT8 setting for EK-GD2-DL-2-LV model is done via

local selector switch. The devices have an integrated bus

communication module DALI 2 certified.

Datasheet STEKGD2DL12LV_EN

Warning! Dimmers require the use of a power

supply in accordance with EN 61347-2-13, such

as the Mean Well mod. HLG-480H-24A.

Main functional characteristics

• Memory function configurable via DALI bus: it stores

the last brightness level, in case of power failure

• Soft switching on and off

• Brightness adjustment to full power off (dim-to-dark)

• Min. brightness level: 0.1% (1% with push for 1 CH)

• DALI-settable dimming curve: linear/logarithmic for

1CH, 2 CH, linear/quadratic/exponential for 4 CH

• On and off times settable via DALI

• Control inputs: N.O. push button (for EK-GD2-DL-1-LV

only), DALI

• Optimized output curve

• Button for mode change and / or DT6 / DT8 selection

(depending on the device version)

• Status LED (switch to stand-by after 1 min.)

Note: the 1-CH device factory default values are:

automatic detection of the local command set to

N.O. pushbutton and minimum dimming value set

to 1%.

Technical data

Inputs

• Input (constant voltage): 12 / 48 Vdc

• Supply voltage: min: 10.8 Vdc .. max: 52.8 Vdc

• Power absorbed while awaiting command: <500 mW

(for EK-GD2-DL-1-LV only)

• DALI 2 bus input compliant with IEC 62386

Outputs

• Output voltage PWM 12 / 48 Vdc

• Output current: from 0 A to 10 A for EK-GD2-DL-1-LV,

5A on each channel for EK-GD2-DL-2-LV

• Rated power @12V: 120 W

• Rated power @24V: 240 W

• Rated power @48V: 480 W

• Command supply current (EK-GD2-DL-1-LV only): 0.5

mA (for 1-10V)

• Command required max. current (EK-GD2-DL-1-LV

only): 0.1 mA (for 0-10V)

Note: values for output current and nominal power

have to be intended as maximum values, depen-

ding on the ventilation conditions. The reported

values are measured with a room temperature of

40 °C

Dimming

• "Flicker-free" PWM modulation: 2000Hz f

• PWM resolution: 16 bit

• PWM dimming range: 0.1-100% for EK-GD2-DL-1-LV,

1-100% for EK-GD2-DL-2-LV

Environmental conditions and other characteristics

• Operating temperature: -20 ° C ... + 40 ° C

• Storage temperature: - 40 ° C ... + 60 ° C

• Transport temperature: - 40 ° C ... + 60 ° C

• Maximum case temperature (t

• Relative humidity: 93% non-condensing

• Protection degree IP10 (device installed)

• Wiring: 1.5 mm

solid – 1.0 mm

• Stripping: 5.0 - 6.0 mm

• Housing in plastic material

• Device suitable for installation in flush-mounting wall

boxes

): 80 °C

stranded, 16-17 AWG