Ltech LT-904 User manual

LT-904

8 bit / 16 bit

CHANNELS Short circuit / Over current protection

2 kinds of DMX interfaces

www.ltech-led.com

6. With fast self-testing function.

8. 16bit (65536 levels) / 8bit (256 levels) grey level optional.

7. High/low frequency PWM for optional

5. With short circuit protection and over current protection, as well as warning function

when fault.

2. Easy operation with digital display and the touch buttons.

1. Designed with 4 channels output, and Max. 6A current per channel, up to 576W output

power.

3. Support 2 kinds of DMX ports: 3-pin XLR, RJ45.

Short circuit

Protection

RDM Over current

Protection

RJ45

3-pin XLR

warranty

5 years

Product Introduction:

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4. With RDM remote management protocol, the operations can be completed via the

RDM master console, such as parameters browsing & setting, DMX address setting,

equipment recognition, etc.

0 0 6

Technical Specs:

Product Size:

Unit: mm

LT-904

DMX512/RDM

3-pin XLR, RJ45

×4CH

Max. 576W

12 24Vdc

6A 4CH Max. 24A

(0~72W...144W)

8bit (256 levels) / 16bit (65536 levels)

Protection:

Working Temp.:

Dimensions

Package Size

Weight (G.W.)

Model

Input Signal

Input Voltage

Current Load

DMX Interface:

Output Power:

Grey Level

Short circuit / Over current

-30℃~65℃

L122×W110×H37mm

L127×W123×H41mm

550g

110

86 37

122

110

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Main Component Description:

Power

indicator

Signal

indicator

12-24Vdc

Power input

LED lamps

connection

Digital

display

Dip

switch

Digital display

Screen

Hig Smooth

Low Std

30S off

Enable

PWM Hz DIM

Digital display will enter the locked mode

without operating after 15 seconds.

Dip switch

Bit

Long press “M” key to unlock.

Short press “M” key to switch numbers.

Press “ ””v” key to adjust value.

RJ45

3-pin XLR

DMX/RDM

input & output

DMX/RDM

input & output

8 8 8

0 0 6

4 5

www.ltech-led.comwww.ltech-led.com

DMX

RDM

DMX

RDM

Wiring Diagram:

1 Connecting LED lights:

Signal Signal

LED

Power Supply

12-24Vdc

DMX

console

2. DMX console onnectionc :

DMX signal DMX signal

12-24Vdc 12-24Vdc 12-24Vdc

Resistor

terminal

An amplifier is needed if more than 32 decoders are connected ,

signal amplification should not be more than 5 times continuously.

or use overlong signal line

If the recoil effect occurs because of longer signal line or bad line quality, please try to

connect 0.25W 90-120Ω terminal resistor at the end of each line.

LT-904 is equipped with 2 types DMX

terminals for users’ selection. The following

diagram takes 3-pin XLR as an example,

same connecting method for RJ45.

RGBW LED

DMX signal

LT-904

LT-9 04 LT-904 LT-9 04

PUSH

GND

DATA+

DATA-

V+

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These 2 terminals can be connected in a mixed way.

RJ45 Connected in Parallel

3-pin XLR Connected in Parallel

Terminal

Resistor

Terminal

Resistor

3. The connection diagram of 2 kinds of DMX/RDM terminals:

Installation Attention : please reserve enough ventilation distance between decoders (>20mm),

be sure not to block the vent, or will affect lifetime of decoder for .poor heat dissipation

Installation distance > 20mm

Vent

LT-9 04 LT-904 LT-9 04

Update Time: 2018.08.20_A0

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