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Ltech D4A Manual
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Ltech D4A Manual

Constant voltage 4 channel dmx/rdm decoder
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Constant Voltage 4 ChannelDMX/RDM Decoder
Standard DMX/RDM interfaces; Set addresses via the digital display and buttons.
RDM protocol; Browse parameters and change DMX addresses via a RDM master
or via the mobile APP .
DMX mode and customized mode can be switched.
PWM frequency options: 300/600/1200/1500/1800/2400/3600/7200/10800/
14400/18000Hz.
16bit (65536 levels)/8bit (256 levels) gray scale optional.
Two dimming mode options: standard and smooth dimming.
Set 1/2/3/4 DMX channel output.
. P rovide 10 lighting effects, 8 speed levels of dynamic modes, and 255 brightness levels.
Set screen timeout, LCD screen always on, and screen turning off after 30s of inactivity.
Short circuit, over-temperature, over-current protection and auto recovery.
D4A has green terminal DMX interfaces, D4B has RJ45 DMX interfaces.
Product Parameters
Model
D4A
Input Signal
DMX512,RDM
Input Voltage
12-48V
OutputType
Constant Voltage
Output Current
8A×3CH 6A×4CH Max.24A
OutputVoltage
4×(12-48V)
288W@12V 576W@24V 864W@36V 1152W@48V
Output Power
Dimming Range
0-100%
DMX Signal Port
Green terminal
Working Temp.
-25℃-55℃
CE, EN 55015: 2019/A11: 2020, EN IEC 61000-3-2:2019+A1: 2021, EN 61000-3-3: 2013+A1: 2019+A2: 2021, EN 61547-1: 2021
Safety & Emc
FCC Part 15 Class B
Dimensions
L175×W46×H30mm
L187×W52×H36mm
Package Size
Weight(G.W.)
325g±5g
Protection
Short circuit, over temperature, over current protection, auto recovery.
Product Size
Unit: mm
D4B
D4B
RJ
45
175mm
165mm
1
D4A
16
bit
46mm
30mm

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Summary of Contents for Ltech D4A

  • Page 1 . P rovide 10 lighting effects, 8 speed levels of dynamic modes, and 255 brightness levels. Set screen timeout, LCD screen always on, and screen turning off after 30s of inactivity. Short circuit, over-temperature, over-current protection and auto recovery. D4A has green terminal DMX interfaces, D4B has RJ45 DMX interfaces. Product Parameters Model...
  • Page 2 Main Component Description Wire diameter: 1.0-2.5 (18-12AWG) Digital display Strip length:6-7mm Output LED-W Output LED-B DMX IN Output LED-G Output LED-R Output LED+ DMX OUT Power input+ Power input- Settings buttons Wire diameter: 1.0-2.5 (18-12AWG) Wire diameter: 1.5-4.0 (16-10AWG) Strip length:7-8mm Strip length:7-8mm Digital display: Access Configuration: Long press the M button for more than 2s.
  • Page 3 OLED Display Interface DMX decoder mode Long press M and∨ button simultaneously. When the screen displays “L-1”, it enters the DMX decoder mode. Long press M button for 2s to enter the menu. 1. DMX address settings Press ∧ or ∨ button to set the DMX address. DMX address range: 001~512 2.
  • Page 4 Customized mode Long press M and ∨ button simultaneously. When the screen displays “L-2”, it enters the customized mode. Long press M button for 2s to enter the menu. Custom Mode Interface 1. Lighting effects Short press M button to switch the menu to “E”. Press ∧...

  • Page 5: Load Parameters

    Address setting table C-1( Dimming ) Mode C-2(CT/CT2) C-3(RGB) C-4(RGBW) Channel 1 Channel 2 Channel 3 Channel 4 Load Parameters At different PWM frequencies and different voltages, the max. load current and the total power of each channel vary. Before you do the wiring,please strictly follow the load parameters in the table below to operate.
  • Page 6 D4A Wiring Diagram 24V+ console Constant voltage power supply 12-48V 24V+ Constant voltage power supply 12-48V D4B Wiring Diagram 24V+ console Constant voltage power supply 12-48V 24V+ Constant voltage power supply 12-48V Dimming LEDs CT/CT2 LEDs Dimming mode mode RGB LEDs...
  • Page 7 D4A, D4B can work with the address editor that complies with standard RDM protocol. It is recommended to use LTECH's RDM editor (model WiFi-RDM01), which can achieve more functions such as remote browsing and parameter setting. Wiring diagram as below:...

  • Page 8: Warranty Agreement

    RDM editor App interface instruction 1.Download the App, setting the D4A, DAB parameters dimming range after well connecting the RDM editor, more details, please check the manual of WiFi-RDM01. 2.Well installation of products first, then working with WiFi -RDM01 to realize setting parameters and firmware upgrade by App.

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