Ltech LT-840-6A Instructions

LT-840-6A
DMX/RDM 4CH CV DECODER
LT-840-6A w ith the standard RDM remote device management protocol, supports DMX512 signal bi-directional
communication, achieves remote management of reading and writing DMX address (DMX master controller must
recognize the RDM protocol). Equipped with DMX standard 3-pin XLR, RJ45, green terminal interface. Realize
0-100% dimming or different lighting effect; workable with single color, bi-color, RGB or RGBW LED lamps.
1. Product Parameter:
LT-840-6A
Input Signal:
DMX512, RDM
Input Voltage: 5~24Vdc
Current Load: 6A × 4CH Max. 24A
Output Power:
(0~30W...144W) × 4CH Max. 576W
DMX512 Socket:
3-pin XLR, RJ45, Green Terminal
2. Product Size:
78mm
146mm
156mm
3. Configuration Diagram:
Green Terminal LED Lamps
(with amplifier function) Connection Socket
Power Input Socket
LT-840 6A DMX/RDM 4CH CV Decoder -
warranty
5 years
Dimming Range:
0~100%
Protection:
Short circuit / Over current
Working Temp.: -30 ~65
℃ ℃
Dimensions:
L156 × W78 × H40(mm)
Package Size:
L180 × W82 × H48(mm)
Weight (G.W.):
445g
40mm
Address 3-pin XLR RJ45
Dip Switch
1
Dip Switch Operation:
4.
0
1 2 3 4 5 6 7 8
1
DIP 4
0
1 2 3 4 5 6 7 8
1
DIP 4
0
1 2 3 4 5 6 7 8
1
DIP 4
4.1 How to set DMX address via dip switch:
FUN = OFF (the 10th dip switch
DMX address value = the total value of (1-9), to get the place value when in "on" position, otherwise
E.g.1: Set Initial Address To 32.
1 2 3 4 5 6 7 8 9
DIP ON
4.2 Self-testing Mode:
FUN=ON (the 10th dip switch = ON)
- 1 9=off 1=on
Dip Switch
Self-test Static Static
Black Red
Function
3 4 5 6 7 8 9 10
1 2
Static
Static Static
Green Yellow Cyan
Static Static Static
Red Blue Purple
When several dip switches are on, subjected to the highest switch value.
[Attn]
As the figure above shows, the effect will be 7 colors smooth at 7 speed level.
4.3 DMX Dimming Instruction:
A B N N N N G G
Each LT-840 6A DMX decoder occupied 4 DMX -
addresses when connecting the DMX console.
E.g., the defaulted initial address is 1, please find
their corresponding relationships in the form.
OFF
RDM Mode: The dip switch 1-10 are OFF.
9 10
ON
ON
OFF
DMX Mode: FUN = OFF (the 10th dip switch = OFF)
9 10
Setting DMX addresses with dip switch 1-9
ON
ON
OFF
Self-testing Mode: FUN = ON (the 10th dip switch = ON)
9 10
ON
ON
= OFF ) DMX Mode
E.g.2: Set Initial Address To 37. E.g.3: Set Initial Address To 178.
OFF
OFF
10
1 2 3 4 5 6 7 8 9 10
ON DIP ON ON
001+004+032=37
Self-testing Mode
2 on = 3 on = 4 on = 5 on = 6 on =
Static Static
Static Static Static
Purple Cyan
Green Blue Yellow
OFF
ON For changing effects (Dip Switch 8 9 = on):
DIP switch 1-7 is used to realize 7 speed
levels. (7 = on, the fastest level)
7 Colors
Jumping
Static
7 Colors
White Smooth
DMX Console
CH1 0-255
CH2 0-255
CH3 0-255
CH4 0-255
2
LT-840-6A DMX/RDM 4CH CV Decoder
will be 0 .
OFF
1 2 3 4 5 6 7 8 9 10
ON
DIP ON
002+016+032+128=178
7 on = 8 on = 9 on =
Static 7 Colors 7 Colors
White Jumping Smooth
/
DMX Decoder
CH1 PWM 0-100% (LED R)
CH2 PWM 0-100% ( LED G)
CH3 PWM 0-100% ( LED B)
CH4
PWM 0-100% ( LED W)
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