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Product Information
The MSL-1935RGB-D6Q20 operates on DC 24V and functions as an individually addressable LED digital screen display module engineered for commercial signage, large-scale media facades, and advertising modular led digital displays. Each square module fixture measures 70×70mm and integrates six 3-in-1 RGB LEDs driven by a dedicated external FW1935 IC. This chip delivers dual-signal breakpoint resume transmission, preserving signal continuity across the entire array even if an individual IC experiences operational failure. Arranged in strings of 20 modules interconnected by 20cm flexible cabling, each strand delivers a center-to-center pitch of 25cm to 26cm across an overall run of 510cm to 530cm. Encased in an IP65 injection-molded housing with dual screw mounting flanges and 4-pin JST-SM connectors, this modular led system for digital signage pairs seamlessly with addressable LED pixel modules and large-format programmable LED backlight sheets for outdoor matrix installations.
Key Features
Dual-Line Breakpoint Resume Transmission
The integrated external FW1935 IC features a backup data line compatible with WS2811 protocol, ensuring uninterrupted signal delivery across the entire display screen even if a single unit fails.
DC 24V Low Voltage Architecture
Operating at DC 24V minimizes line current and reduces voltage drop over extended runs, permitting stable color uniformity across entire 5.2-meter strands without intermediate power injection.
Rugged IP65 Environmental Enclosure
Each 70×70mm block is sealed against rain, dust, and outdoor weather exposure, making it suitable for exterior channel letters, billboards, and architectural facade accents.
Pre-Wired 4-Pin JST-SM Connectors
Constructed with 20cm inter-module connecting cables yielding a 25-26cm pitch, each string features factory-terminated input and output 4-pin connectors for rapid mechanical and electrical daisy-chaining.
Pre-Drilled Dual Mounting Flanges
Each individual module incorporates two dedicated screw-mounting ear holes, enabling direct mechanical attachment to aluminum composite panels, sheet metal, and structural signage frames.
Technical Highlights
- Driven by the FW1935 driver IC, utilizing standard 800kHz single-wire NZR communication protocol fully compatible with WS2811 timing parameters.
- Equipped with dual data channels (DAT and DIN/BIN backup line) that bypass defective modules automatically without interrupting downstream lighting cues.
- Draws 5W per square fixture block, totaling 100W per full 20-fixture string, delivering vibrant RGB illumination across outdoor architectural surfaces.
- Compatible with SPI pixel controllers, DMX-to-SPI decoders, and art-net controllers paired with addressable dream color controllers for programmable video-mapping graphics.
- Operates directly with external 24V waterproof power supplies rated for outdoor architectural conditions.
Product Specifications
| Parameter | Details |
|---|---|
| Product Model | MSL-1935RGB-D6Q20 |
| Product Type | Architectural / Signage LED Screen Module |
| Operating Voltage | DC 24V |
| Power Consumption per Module | 5.0W |
| Total Power per String (20 Modules) | 100W |
| IC Type | FW1935 (External IC, WS2811 Protocol Compatible) |
| Transmission Mode | Dual-channel breakpoint continuous transmission |
| LED Type | SMD 3-in-1 RGB |
| LED Quantity per Module | 6 LEDs |
| Module Quantity per String | 20 modules |
| Module Dimensions | 70mm × 70mm |
| Center-to-Center Distance (Pitch) | 250mm - 260mm (9.84 - 10.24 in) |
| Inter-Module Cable Length | 200mm (7.87 in) |
| Total String Length | 5100mm - 5300mm (16.7 - 17.4 ft) |
| Connector Type | 4-pin JST-SM connector (V+, DAT, BIN, GND) |
| Ingress Protection | IP65 (Outdoor water-resistant) |
| Beam Angle | 170° |
| Mounting Method | Dual screw flange holes |
| Operating Temperature | -20℃ to +50℃ |
| Housing Material | Injection-molded flame-retardant polymer |
Application Scenarios
How to Install This Fixture
- Confirm that your power supply delivers regulated DC 24V output. Do not connect this low-voltage system directly to AC 110V or 230V mains power.
- Secure each 70×70mm module using corrosion-resistant screws through the two integrated mounting flanges on opposite sides of the housing.
- Verify wiring polarity before connecting: DC 24V Positive (V+), Data Line (DAT), Backup Data Line (BIN), and Ground (GND). Ensure the signal flows in the direction indicated by the input and output connectors.
- Connect the input JST-SM connector to your compatible SPI or WS2811-compatible pixel controller, mapping the FW1935/WS2811 IC protocol in your software settings.
- For outdoor runs, wrap all mating JST-SM connections with silicone self-fusing tape or house them inside an IP66/IP67 junction box to protect exposed pin contacts from moisture.
- Energize the DC 24V power supply and run test patterns to verify that all 20 modules respond to RGB addressable data instructions.
⚠ Precautions
- This fixture is rated IP65 for outdoor rain and splash resistance.
- Every 20-module string draws approximately 100W at DC 24V (4.17A); size power supply wiring accordingly and incorporate power injection every 20 to 40 modules to avoid chromatic distortion from voltage drop.
What's in the Box
- ✓1 × String of 20 Addressable Square LED Screen Display Modules
- ✓Pre-attached 4-pin JST-SM male input and female output connectors
Frequently Asked Questions
Q: Is this fixture rated for outdoor installation?
A: Yes. Each module is housed in an IP65 water-resistant injection-molded enclosure suitable for rain, snow, and exterior architectural applications. Mating wire connectors must be sealed with waterproof tape or placed in a junction box.
Q: What voltage does this LED digital screen display module require?
A: This module operates exclusively on regulated DC 24V power. Connecting it directly to AC mains line voltage will cause permanent damage to the internal LEDs and driver ICs.
Q: How does the FW1935 breakpoint resume function work?
A: The FW1935 IC includes an auxiliary data line (BIN) in addition to the primary data line (DAT). If a single IC or LED module experiences an electrical fault, the subsequent module detects the backup signal and continues running without interruption.
Q: Which lighting protocols and controllers are compatible with this module?
A: The FW1935 IC shares the standard NZR 800kHz timing structure of the WS2811 protocol, allowing it to interface with standard SPI pixel controllers, Art-Net/DMX-to-SPI decoders, and programmable digital display processors.
Q: How many modules are included on one continuous string?
A: Each string contains 20 square module fixtures linked by 20cm connecting cables, providing a total center-to-center pitch of 25-26cm and an overall string length between 510cm and 530cm.
Q: How do you mechanically mount each square block?
A: Each 70×70mm block includes two pre-molded mounting ears with screw holes, permitting direct fastening onto wood, aluminum profiles, or sheet metal signage backs with standard M3 or M4 hardware.
Q: How much power does a full 20-piece string consume?
A: Each block consumes 5W at full RGB white output, resulting in a total power demand of 100W (4.17A at DC 24V) per complete 20-piece strand. An outdoor power supply rated for at least 120W is recommended per string.
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Files for MSL-1935RGB-D6Q20Images
These images were taken with Canon EOS 5D Mark IV and the studio light source is provided by Ra 98's full spectrum LED strip to realistically reproduce the colors of the item itself. All copyrights are created by the superlightingled team, please feel free to browse and download if you are a registered user!
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