Ltech LT-903-DIP Bedienungsanleitung

LT-903-DIP

2 kinds of DMX interfaces

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Short circuit / Over current /

Overheat protection

Photoelectric

isolation

CHANNELS

Product introduction

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

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

equipment recognition, etc.

1. Designed with 3 channels output, and Max. 8A current per channel, up to 576W output

power.

Short circuit

protection

RDM Over current

protection

Photoelectric

isolation

Overheat

protection

2. 3-pin XLR, RJ45 DMX interface with photoelectric isolation, improve signal

transmission efficiency and anti-interference ability.

when a fault occurs.

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

5-Year

Warranty

E500585

RJ45

3-pin XLR

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Technical specs

LT-903-DIP

DMX512/RDM

3-pin XLR, RJ45

× 3CH Max. 576W

12 24Vdc

8A 3CH Max. 24A

(0~96W...192W)

Protection:

Working temperature:

Dimensions

Package size

Weight (G.W.)

Model

Input signal

Input voltage

Current load

DMX interfaces:

Output power:

Unit: mm

Short circuit / Overheat / Over current protection,

recover automatically.

-30°C~65°C

122×110×37mm(L×W×H)

127×123×41mm(L×W×H)

550g

110

86 37

122

110

Photoelectric isolation: Yes

Product size

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Main component description

Power

indicator

Signal

indicator

Dip switch

RJ45

3-pin XLR

DMX/RDM

input & output

DMX/RDM

input & output

12-24Vdc

input voltage

LED lamp

connection

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OFF

11 22 33 44 55 66 77 88 99 1010

ONON

OFFOFF

ONON

12345

DIP switch

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

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.

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

position, otherwise will be 0.

001+004+032=37 002+016+032+128=178

When DIP switch 1-9 are OFF, the defaulted initial DMX address is 1.

6 7 8 9 10

OFF

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OFF

12345678910

Self-testing mode

FUN=ON (the 10th dip switch=ON) Self-testing mode

1=on 4=on 7=on 8=on 9=on2=on 5=on

3=on 6=on

Self-test

function

1-9=off

DIP switch

Static

black Static

red Static

green Static

blue Static

yellow

Static

purple Static

cyan Static

white 7 color

junping 7 color

gradient

Static

red

Static

green

Static

blue

Static

yellow

Static

purple

Static

cyan

Static

white

7 color

jumping

7 color

gradient

For changing effects ( Switch 8 9=on): DIP /

DIP switch 1-7 is used to realize 7 speed

levels. (7=on, the fastest level)

[Attn] When several switches are on, subjected to the highest switch value.

As the figure above shows, the effect will be 7 color gradient at 7 speed level.

DIP

DMX dimming instruction

CH1 0-255

CH2 0-255

CH3 0-255

PWM 0-100% (LED R)

PWM LED G)0-100% (

PWM LED B)0-100% (

CH1

CH2

CH3

DMX Console DMX Decoder

Each LT-903 DIP DMX decoder occupied 3 DMX

addresses when connecting the DMX console.

E.g., the defaulted initial address is 1, please

find their corresponding relationships in the form.

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DMX

RDM

DMX

RDM

Wiring diagram

1 Connecting LED lights:

signal signal

LED

driver

12-24Vdc

RGB LED

LT-903-DIP

V+

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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-903-DIP is equipped with 2 kinds of DMX

terminals for users’ selection. The following

diagram takes 3-pin XLR as an example,

same connecting method for RJ45.

DMX signal

LT-903-DIP LT-903-DIP LT-903-DIP

PUSH

GND

DATA+

DATA-

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These 2 terminals can be connected in a mixed way.

Rj45 connected in parallel

3-pin XLR connected in parallel

Resistor

terminal

Resistor

terminal

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

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

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

Installation distance > 20mm

Vent

LT-903-DIP LT-903-DIP LT-903-DIP

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9Update time: 13/01/2021_A2

Attentions

Warranty agreement

Warranty exclusions below:

No any contract signed by LTECH.

Warranty labels and barcodes have been damaged.

Damage caused by natural disasters and force majeure.

Products with severe physical damage.

Beyond warranty periods.

Warranty periods from the date of delivery : 5 years.

Free repair or replacement services for quality problems are provided within warranty periods.

Any artificial damage caused by high voltage, overload, or improper operations.

1. Repair or replacement provided is the only remedy for customers. LTECH is not liable for any incidental

or consequential damage unless it is within the law.

2. LTECH has the right to amend or adjust the terms of this warranty, and release in written form shall

prevail.

This manual is subject to changes without further notice. Product functions depend on the goods.

Please feel free to contact our official distributors if you have any question.

1. Products shall be installed by qualified professionals.

2. LTECH products are non-waterproof (special models excepted). Please avoid the sun and rain. When

installed outdoors, please ensure it is mounted in a water proof enclosure.

3. Good heat dissipation will extend the working life of products. Please ensure good ventilation.

4. Please check if the working voltage used complies with the parameter requirements of products.

5. The diameter of wire used must be able to load the light fixtures you connect and ensure the firm wiring.

6. Before you power on products, please make sure all the wiring is correct in case of incorrect connection

that causes damage to light fixtures.

7. If a fault occurs, please do not attempt to fix products by yourself. If you have any question, please contact

your suppliers.

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