Ltech LT-912-OLED User manual

www.ltech-led.com

LT-912-OLED

Dimming curve: 0.1~9.9

Short circuit / Over current / Overheat protection

OLED display

8 bit / 16 bit

CHANNELS

3 kinds of DMX interfaces Photoelectric

isolation

E500585

Product introduction

Gamma value

DMX value

Output

brightness

Photoelectric

isolation

100%

2.5 3.5

6.5

1.0

0.8

0.9

1.5

255

Short circuit

protection

5-pin XLR RJ45 RDM Over current

protection

Display

6. With firmware upgrade function.

8. With power-on state management and fast self-testing function.

5. With the operations can be completed via the

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

settings, equipment recognition, etc.

RDM remote management protocol,

4. 5-pin XLR, RJ45 and green terminal DMX interface with photoelectric isolation, improve

signal transmission efficiency and anti-interference ability, the green terminal also

has signal amplifier function.

2. Easy operation with OLED screen and touch buttons.

1. Designed for Hi-power multiple channels application, 12 channels output, and Max.

4A current per channel, up to 1152W output power.

3. 3 kinds of optional modes available: DIM, CT, RGB.

when a fault occurs.

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

10. Available for standard, linear, LOG or customize 0.1-9.9 dimming curve.

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9. 16bit (65536 levels) / 8bit (256 levels) grey level available.

Overheat

protection

180

156

122

110

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Product size

Unit: mm

Technical specs

LT-912-OLED

DMX512/RDM

12~24Vdc

4A × 12CH Max. 48A

(0~48W...96W) × 12CH Max. 1152W

5-pin XLR, RJ45, green terminal

DIM/CT/RGB

0.1~9.9, standard, linear, LOG

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

Yes

Short circuit / Overheat / Over current protection,

recover automatically.

-30°C~65°C

180×122×39mm(L×W×H)

193×127×41mm(L×W×H)

730g

Model :

Input signal :

Input voltage :

Current load :

Output power :

DMX interfaces :

Control modes :

Dimming curves :

Grey level :

Photoelectric isolation :

Protection:

Working temperature :

Dimensions :

Package size :

Weight (G.W.) :

5-Year

Warranty

E5 0 05 8 5

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Main component description

OLED screen

Power

indicator

Signal

indicator

RJ45

5-pin XLR

12-24V

Power input

Green terminals

(with signal amplifier function)

DMX/RDM input & output

Green terminals

LED lamp connection

DC1 DC2

Max. 24A

DMX: Hz: High

Mode: RGB 8bit

Curve: Standard

Dim: Smo TOOL&v

001

DMX: 001 Hz:

Mode: RGB 8bit

Curve: Standard

Dim: Smo TOOL&v

High

DMX: 001 Hz: High

Mode: 8bit

Curve: Standard

Dim: Smo TOOL&v

RGB

DMX: 001 Hz: High

Mode: RGB

Curve: Standard

Dim: Smo TOOL&v

8bit

DMX: 001 Hz: High

Mode: RGB 8bit

Curve:

Dim: Smo TOOL&v

Standard

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OLED screen interface

Press "M" key, switch entries.

Long press “M” key, back to main page.

Press "∧" or “∨" key, parameter adjustment.

Exit back to previous page.:

1. DMX address

settings

Main page

Press “∧" or “∨" key to set DMX address.

Range: 001~512

2. PWM frequency

Press “∧" or “∨" key to choose.

Option : DIM

CT/CT2

RGB

3. Modes

No flicker in

video camera.

Press “∧" or “∨" key to choose.

Std (standard)

High

Mid (middle)

Low

Option :

Smooth and exquisite,

human eye is comfortable.

It is recommended to

use standard.

4. Grey scale

5. Dimming

curves

Press “∧" or “∨" key to choose.

Option : 8bit

16bit (choose it if the master

controller supports this function)

Press “∧" or “∨" key to choose.

Option :

Linear

LOG

0.1~9.9

Standard

It is recommended to use standard,

0.1-9.9 is for special requirements.

DMX: 001 Hz: High

Mode: RGB 8bit

Curve: Standard

TOOL&v Dim: Smo

Screen: ON+Addr

Contrast: 40%

Beep: ON

EXIT&v

TEST&v

001

DMX: 001 Hz: High

Mode: RGB 8bit

Curve: Standard

Dim: Smo TOOL&v

DMX: 001 Hz: High

Mode: RGB 8bit

Curve: Standard

Dim: Smo TOOL&v

[∧&V]

EXIT &V

ALL: 255

CH01: 255

CH02: 255

CH03: 255 [∧&V]

EXIT &V

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Press “∧" or “∨" key to choose.

Option :

Smo (smooth)

Std (standard)

Smo: This option with smooth processing, realizes

flicker-free dimming and smooth dynamic effects.

It is recommended to use standard.

6. Enhance

dimming

7. Tool

* Fast self-testing function: press “ or " keys

simultaneously for 2-3 seconds under any page,

decoder will enter self-testing function.

∧"∨"

Press “∧" or “∨"

key to enter submenu

Press “∧" or “∨"

key to enter

submenu of test.

Change all value

simultaneously

(on the last page)

Screensaver open and

black if undo for 2 minutes.

Screen: ON+black

Screensaver not enable.

Screen: OFF

Screensaver open and display

address if undo for 2 minutes.

Screen: ON+Addr

Brightness setting

(range: 0~255)

Press”∧" or "∨"

to next page

Press"∨" to exit

LT-912-OLED

LEDs

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Wiring diagram

1. Connecting LED lights:

DMX/RDM signal DMX/RDM signal

Output port

(Wiring method on P7)

12-24Vdc

Power to

LEDS1, 2

LED driver

Power to

LEDS3, 4

DMX/RDM signal DMX/RDM signal

12-24Vdc

LED

driver

LED

driver

Power to

LEDS1, 2Power to

LEDS3, 4

PUSH

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2. DMX console onnectionc :

LT-912-OLED is equipped with 3 kinds of DMX terminals

for users’ selection. The following diagram takes 5-pin XLR

as an example, same connecting method for the rest two:

RJ45 & green terminal (with amplifier function).

DMX

console

DMX signal

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.

DMX signal DMX signal

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

RGB LEDs

CT/CT2 LEDs

Color temperature mode

RGB mode

Dimming mode

Dimming LEDs

Resistor

terminal

LT-912-OLED LT-912-OLED LT-912-OLED

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

5-pin XLR

connected

in parallel

Green terminal

connected

in parallel

Installation distance > 20mm

RJ45

connected

in parallel

These 3 terminals can be connected

in a mixed way.

Resistor

terminal

Resistor

terminal

Resistor

terminal

Vent

Installation attention : 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

4. The connection diagram of :AMP signal amplifier terminal

Connecting with green terminal or an extra amplifier will be needed when more than 32

decoders are connected or use overlong signal wire (as shown below). Signal amplifier

should not be more than 5 times continuously.

Resistor

terminal

LT-912-OLED

LT-9 12- O LED LT-91 2 -OL E D LT-9 1 2-OL E D LT-9 12- O LED LT-9 12-O LED LT-9 12- O LED

AMP

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Address setting table

Mode Mode

Resolution Resolution

Address

Quantity Address

Quantity

Channel Channel

DIM DIM CT/CT2 CT/CT2 RGB RGB

4 88 16

12 24

8bit 16bit

001 001 001

001 002 002

001 002 003

002 003 004

002 004 005

002 004 006

003 005 007

003 006 008

003 006 009

004 007 010

004 008 011

004 008 012

001

002

001

002

001

002

003

004

005

006

005

006

009

010

005

006

005

006

005

006

007

008

007

008

007

008

009

010

011

012

011

012

011

012

013

014

015

016

017

018

001

002

003

004

003

004

003

004

003

004

003

004

001

002

007

008

007

008

013

014

015

016

015

016

019

020

021

022

023

024

007

008

When you select CT2, the DMX address represents brightness , color temperature and constant power output respectively.

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