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1.   Product  Parameter:

Input  Signal: 

Input  Voltage: 

Max  Current  Load: 

Max  Output  Power: 

DMX512  Socket: 

Dimming  Range: 

DMX512,  RDM

5~24Vdc

8A×3CH   Max  24A

(0~40W...192W)×3CH   Max.  576W

3-pin  XLR,  RJ45,  Green  Terminal

0~100% 

1

LT-830-8A

2.   Product  Size:

DC+

DC-

CH1 CH2

CH3

NC

V+

LT-830-8A

DMX/RDM  3CH  CV  DECODER 

LT-830 8A DMX/RDM 3CH CV Decoder

-

LT-830-8A  w

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 

or RGB LED lamps.

ith  the  standard  RDM  remote  device  management  protocol,  supports  DMX512  signal 

Power Input Socket

Address 

Dip Switch

Green

 

Terminal

(with amplifier function)

 

3-pin  XLR

RJ45

A B N N N N G G

LED

 

Lamps

Connection

 

Socket

3.   Configuration  Diagram:

2

LT-830 8A DMX/RDM 3CH CV Decoder

-

4.3   DMX  Dimming  Instruction:

CH1  0-255

CH2  0-255

CH3  0-255

Each LT-830 8A DMX decoder occupied 3 DMX 

addresses when connecting the DMX console. 

-

PWM  0-100%  (LED  R)

PWM 

LED  G)

0-100%  (

PWM 

LED  B)

0-100%  (

CH1

CH2

CH3

DMX Console

DMX Decoder

 Dip Switch Operation:

4.

RDM Mode: 

The dip

 

switch

 

1

-

10 are OFF

.

FUN

=

ON

 

(the 10th dip switch=ON)

        

Self-testing Mode: 

FUN

=

OFF

 

(the 10th dip switch = OFF)

      

DMX

 

Mode: 

Setting DMX addresses with dip switch 1-9  

FUN

=

OFF

 

(the 10th dip switch

)

     

 

Mode

=OFF

DMX

 

4.1  How to set DMX address via dip switch:

E.g.1: Set Initial Address To 32.

E.g.2: Set Initial Address To 37.

E.g.3: Set Initial Address To 178.

001+004+032=37

002+016+032+128=178

4

4

4

1

1

1

1

1

1

2

2

2

2

2

2

3

3

3

3

3

3

4

4

4

4

4

4

5

5

5

5

5

5

6

6

6

6

6

6

7

7

7

7

7

7

8

8

8

8

8

8

9

9

9

9

9

9

ON

ON

ON

DIP

DIP

DIP

0

1

0

1

0

1

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

10

10

10

10

10

10

ON

DIP

ON

ON

DIP

DIP

FUN

=

ON

 

(

the

 10th dip switch = ON)

        

Self-testing Mode

4.2  Self-testing Mode

:  

1

=

on

4

=

on

7

=

on

8

=

on

9

=

on

2

=

on

5

=

on

3

=

on

6

=

on

Self-test
Function

1

-

9

=

off

Dip Switch

Static 
Black

Static 

Red

Static 

Red

Static 

Green

Static 

Green

Static 

Blue

Static 

Blue

Static 

Yellow

Static 

Yellow

Static 

Purple

Static 

Purple

Static 

Cyan

Static 

Cyan

Static
White

Static

White

7 Colors 

Jumping

7 Colors 

Jumping

7 Colors 

Smooth

7 Colors 

Smooth

[Attn]

 

When several dip switches are on, subjected to the highest switch value

.

           As the figure above shows, the effect will be 7 colors smooth at 7 speed level.

For changing effects (Dip Switch 8 9=on)

:

 

 

  /

DIP switch 1-7 is used

 

to realize 7 speed 

levels. (7=on, the fastest level)

DMX address value = the total value of (1-9), to get the place value when in “on” position, 

otherwise will be 0. 

OFF

ON

1

2

3

4

5

6

7

8

9 10

e.g., the defaulted initial address is 1, please find 

their corresponding relationships in the form.

www.ltech-led.com

warranty

5  years

Working  Temp.: 

Dimensions: 

Package  Size: 

Weight  (G.W.): 

-30

~65

L156×W78×H40(mm)

L180×W82×H48(mm)

430g

Short  circuit  /  Over  current 
auto  recovers.

Protection:

1 2 3 4 5 6 7 8 9 10

ON

DIP

40mm

78mm

156mm

146mm

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