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Ltech LT-905 Constant Voltage Decoder - DMX/RDM

SKU LT-905
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Overview

1. Designed with 5 channels output, and Max. 5A current per channel, up to 600W output power. 2. Easy operation with digital display and touch buttons. 3. Support 2 kinds of DMX ports: 3-pin XLR, RJ45. 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. 5. With firmware upgrade function. 6. With short circuit / over-heat / over current protection, as well as warning function when fault. 7. With power-on state management and fast self-testing function. 8. High/low PWM frequency for optional. 9. 16bit (65536 levels) / 8bit (256 levels) grey level optional.

Specifications

LT-905Specifications from the official datasheetDownload datasheet PDF

Technical Specs

Model:
LT-905
Input Signal:
DMX512/RDM
DMX Interface:
3-pin XLR, RJ45
Input Voltage:
12~24Vdc
Current Load:
5A × 5CH Max. 25A
Output Power:
(0~60W...120W) × 5CH Max. 600W
Grey Level:
8bit (256 levels) / 16bit (65536 levels)
Photoelectric Isolation:
Yes
Protection:
Short circuit / Over-heat / Over current protection, recover automatically.
Working Temp.:
-30°C~65°C
Dimensions:
L122×W110×H37mm
Package Size:
L127×W123×H41mm
Weight (G.W.):
550g

Certifications & ratings

CHANNELS
5
warranty
5 years
Marked features
RDM DMX
Certification marks
cULus, FCC, CE, RoHS, ISO9001:2008

Technical drawings

LT-905 Wiring Diagram
Wiring Diagram
LT-905 Work with RDM editor
Work with RDM editor
LT-905 RDM editor App interface instruction
RDM editor App interface instruction

Downloads

FAQ

What type of product is the Ltech LT-905?

The Ltech LT-905 is a constant-voltage decoder designed for DMX and RDM lighting control systems. It provides 5 output channels with up to 5A per channel and a maximum output power of 600W.

Is the LT-905 suitable for commercial LED control applications?

Yes. The LT-905 is built for multi-channel constant-voltage LED control in DMX-based environments where centralized control and remote device management matter. Its 5-channel design, RDM support, and 600W power capacity make it relevant for more demanding professional and B2B lighting projects.

What control protocols does the LT-905 support?

This model supports both DMX and RDM. RDM adds remote management functions such as parameter browsing and setting, DMX address setting, and equipment identification through an RDM master console.

How is the LT-905 different from a basic DMX decoder?

Compared with a basic DMX-only decoder, the LT-905 adds RDM remote management capability for easier device administration. It also includes a digital display, touch-button operation, self-testing, selectable PWM frequency, and selectable 16-bit or 8-bit grey levels.

What are the main electrical ratings of the LT-905?

The LT-905 is rated for 24V output, 25A total current, and up to 600W output power. It uses a 5-channel output design, with a maximum of 5A available per channel.

Can the LT-905 be used in demanding temperature conditions?

The specified operating temperature range is -30°C to 65°C. That makes it suitable for a broad range of indoor and controlled-environment commercial applications where equipment may be exposed to low or elevated ambient temperatures.

Does the LT-905 include protection and fault indication features?

Yes. The LT-905 includes shortcut protection, overload protection, and a warning function when a fault occurs. These features help support safer operation in professional lighting control environments.

What kind of dimming performance options does the LT-905 offer?

The LT-905 offers selectable high or low PWM frequency and selectable 16-bit or 8-bit grey levels. That gives buyers flexibility when choosing between finer dimming resolution and standard control behavior for different project requirements.

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Ltech LT-905 Constant Voltage Decoder - DMX/RDM
Ltech

Ltech LT-905 Constant Voltage Decoder - DMX/RDM

1. Designed with 5 channels output, and Max. 5A current per channel, up to 600W output power. 2. Easy operation with digital display and touch buttons. 3. Support 2 kinds of DMX ports: 3-pin XLR, RJ45. 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. 5. With firmware upgrade function. 6. With short circuit / over-heat / over current protection, as well as warning function when fault. 7. With power-on state management and fast self-testing function. 8. High/low PWM frequency for optional. 9. 16bit (65536 levels) / 8bit (256 levels) grey level optional.

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