Variable Speed Limit Sign (VSLS)
Standard GB/T 23828-2009 ,
Intelligent System,
Strong Weather Resistance
- Dynamic Speed Limit Adjustment: VSLS adjusts speed limits based on real-time road conditions, improving traffic flow and safety.
- Optimized Traffic Management: Real-time speed display helps achieve efficient and scientific traffic control.
- Multi-functional Display: Comsight VSLS features a full dot matrix design, enabling the display of various traffic information.
For more detailed or customized solution, please contact us ([email protected]).
MULTI-PURPOSE APPLICATIONS
— Speed limit sign
— Lane control signal（stop-and-go lights）
— Warning sign（No Parking, No Phone, No Horn, etc.）
— Indicator sign (School, Church, Road Closed, etc.) etc.
SAFE SYSTEM
Reliable Variable Speed Limit Sign (VSLS)
— High-quality and high-brightness LED, high-efficiency and high-temperature resistant, Meanwell power supply, industrial-grade mainboards and components. Derating use on parameters and leaving enough margin to ensure long-term stability and reliability.
— Use AkzoNobel`s powder coating for strong weather resistance and more stability
— With N+1 power supply backup. When the power supply fails, the backup power supply will seamlessly take over and notify the control center.
— Thermal management detail:
1)use high-brightness LED, high-efficiency power supplies and low-voltage supply to reduce the heat productivity inside the cabinet
2)use light-colored cabinets with double-layer design to reduce the solar radiation impact
3) use an optimized design of fan-forced cooling system to accelerate the heat dissipation inside the cabinet.
4)These comprehensive measures will reduce the temperature rise of the VMS, improve the reliability, and reduce the light decay of the LED.
Intelligent Variable Speed Limit Sign (VSLS)
— Intelligent Full Monitoring Capability
Detect LED failures, monitor door status, power supply, fan, dust filter, internal temperature, ambient temperature, etc., and have a long-term preservation for the log records in the control center database.
— Intelligent Brightness Adjustment Function
Based on the real-time monitoring of ambient brightness, proceed non-linear automatic dimming control (automatic mode).
— Powerful Software for Traffic Information Management
It knows everything about the running status of the VSLS. When the display content is updated, the LED is faulty, or the monitoring status is abnormal, it will feed back to the control center and send SMS to the operator, even if the operator is not at the control center, he can also know the running status of VSLS in time.
— Intelligent Alarm Function
Users can preset the temperature value for the alarm, brightness down, display off and power off. The VSLS will carry out the corresponding actions according to the monitored temperature value.
Safe
Surge protection
VSLS has surge protection, leakage protection and other safety measures
High temperature protection
High temperature protection function: When the VSLS temperature exceeds the set value, it will take the corresponding actions of alarm, brightness down, display off and power off, timely proceed the high temperature protection to ensure the safety for the VSLS and prevent the occurrence of fire.
LED Display Guides
Traffic information management software, with login password protection function, unauthorized person cannot operate the software and VSLS; encrypted communication between the management software and VSLS, illegal software is forbidden to control the VSLS, to ensure the VSLS operation of high security and accuracy.
GENERAL TECHNICAL SPECIFICATIONS
| Variable Speed Limit Sign | Specifications |
| Display Type | Text, symbol, picture, graphic, animation, etc. |
| Color Displayed | Monochrome, tri-color, multicolor and RGB full color |
| Pixel Pitch | 10mm, 12mm, 14mm, 16mm, 20mm, 25mm 31.25mm etc. |
| Resolution | H32 x W32 pixels, H48 x W48 pixels, H64 x W64 pixels etc. |
| Brightness (cd/m2) | Red: 3100; Green: 3770; Blue: 1240; Yellow: 7440; White: 12400 (L3, according to EN12966, customized.) |
| Viewing Angle (degree) | H30/V30 (B7, according to EN12966) |
| Contrast Ratio | R2 (according to EN12966) |
| Color Temperature | C1 (according to EN12966) |
| Driving IC | With pixel detection function |
| Brightness Control | Auto/Manual/Schedule |
| Brightness Adjustment | 256 levels |
| Communication | RS232, RS422/485, GPRS, 4G, TCP/IP(LAN) (Default) |
| Protecting Grade | Front IP65 Rear IP54 (P2, according to EN12966) |
| Protocol | Support NTCIP, DGT, Modbus, or other customized protocol |
| Housing material | Aluminum |
| Working Temperature | -25°C to +60°C (T1,T2 according to EN 12966) |
| Humidity Range | < 95%NH (Non-condensing) |
| Power Requirements | AC 100~230V ±10% / 50~60Hz |
Why Choose Us as Your Variable Speed Limit Sign (VSLS) Manufacturer?
Extensive Experience and Expertise
Since 2001, COMSIGHT® TECHNOLOGY CO. LTD. has been a trusted outdoor LED signs manufacturer. Located in Zhongshan City, Guangdong Province, our 5,000+ square meter facility focuses on research, development, and production. We specialize in Electronic Message Centers, LED digital billboards, transportation displays, sports scoreboards, and creative LED displays. With exports to over 50 countries and more than 25,000 installations, we have the expertise to meet your business needs.
High-Quality and Customized Products
At COMSIGHT®, we deliver reliable and high-quality LED products. Our outdoor LED signs factory excels in customizing signs to fit your specific requirements. Our products are certified with E-MARK, CE, FCC, CSA, and ETL, ensuring they meet international standards. Whether you need standard or custom signage, our durable and high-performing signs will enhance your advertising efforts.
Innovative Technology and Strong R&D
We prioritize innovation and have developed our own control systems, software, display units, and cabinet structures, all patented for excellence. Our unique technologies, including CSTCloud Control System and Condition Monitoring, ensure our outdoor LED signs are top in performance and energy efficiency. Our commitment to research and development keeps us ahead in the LED sign industry.
Exceptional Customer Support and Service
COMSIGHT® offers more than just products—we provide complete support. Our modular designs make transportation and installation easy. We offer 24-hour customer support and detailed guides to help you set up and maintain your LED signs. Whether you are a system integrator, project contractor, or end user, our team is here to ensure your outdoor LED signs work perfectly.
Frequently Asked Question
The primary function of the Variable Speed Limit Sign (VSLS) is to dynamically adjust speed limits based on real-time road conditions, improving traffic flow and enhancing safety.
The VSLS typically integrates with traffic sensors, monitoring systems, and weather data. It collects information on current traffic flow, road conditions, and other factors, then automatically updates and displays the appropriate speed limit.
The VSLS is ideal for highways, urban expressways, tunnel entrances, accident-prone areas, work zones, and any road sections that require dynamic speed management for safety or efficiency.
Yes. Comsight offers customization options, such as sign dimensions, content display, and communication protocols. Contact the sales team ([email protected]) for more information on tailored solutions.
OTHER PRODUCTS
★ Comsight specialize in Electronic Message Centers (EMCs), LED digital billboards, LED transportation displays, LED sports scoreboard and creative LED displays，etc.
★ Comsight also provide customized products according to your demands.
★ Our products have been qualified by E-MARK, CE, FCC, CSA , ETL and other international certifications.
★ Comsight have won high praise and trust from customers. Over 85% of the products are exported to Europe, America, Australia, and so on, more than 50 countries and regions. Over 25,000 LED display products have been successfully installed all over the world.
INQUIRY NOW
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You also can send us e-mail [email protected] directly.
