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Variable Message Signs

Variable Message Signs are the devices which are used to display the messages, warning signals or information about specific events to the people commuting on roads. These signs are efficiently used to warn the people of traffic congestion, speed limits, road work zones, accidents and other incidents. VMS is a part of the Parking Guidance and Information System which is used to manage the modern city traffic and parking. In special cases, the Variable Message Sign is used to warn the duration and location of the accidents, inform about the traffic congestions, route modification, limited travel speeds and other important information. VMS Board is known by different names in different regions. Varibale Message Signs also known as Dynamic Message Signs, Matrix Signs, and Electronic Traffic Displays.

The Variable Message Signs can also be used to display the messages and information regarding the special events or conferences asking the daily commuters to stay away from the special route plans dedicated for the event. This helps the city-dwellers to avoid such traffic routes and take an alternate route to reach their destination on time.

The Variable Message Signs are used to display messages and information on a real-time basis with a minimum time lag allowing the commuters to get live feeds and information so that the traffic can be managed properly even during the peak hours. This not only makes the situation better but also answers the questions raised by the alarming increase in the number of vehicles in the city and proper management of the modern-day traffic.

LED Variable Message Signs


Light source High Power LEDs from renowned manufacturers
Housing Modular design principle in seawater-proof, powder-coated profiles made of aluminum AlMg3
or stainless steel (V4A, 1.4571)
Protection class P1, P2, P3, to IP 65
Humidity Range 20 – 95% rel. humidity
  • Embedded controller designed for industrial temperature range: -40 to +85 °C Integrated
    fast access solid state data memory.
  • High speed picture interface using latest type of Dual port RAM and FPGA technology
  • Number of colors: monochrome, traffic colors or RGB Type
  • Picture rate: 20 frames/second
  • RS485/RS422, Profibus, Profinet, Ethernet IP, WLAN others on request
  • TCP/IP connection via RJ45
  • Digital inputs
  • digital and analogue sensors
Mounting options Cantilever and C-rails pipe clamps and other constructions on request
Protocol NTCIP ready
Optic Optical equipment fits into the matrix luminance ratio (contrast) up to 100, even at low sun
position <10°

Variable Message Signs Technology

LED Variable Message Signs works on the latest Integrated Technology where a control center controls and commands the VMS units to display the messages on a real-time basis. The VMS Boards consists of LEDs to display a specific message on the screen. When a message is to be displayed, the operator at the Central Control Command types a message on the interface specially designed by Photonplay Inc which is to be displayed on a real-time basis. These messages can be highly customized based on color, font, size and pixels to make the message lively and attractive.

The message is relayed by the Central Command which is received by the Variable Message Sign Boards with the help of an integrated GPRS Receiver unit. This message is then displayed on the Variable Message Boards. The highly customizable system allows the operator to broadcast a single message on all the VMS Signs at a particular time. He also gets an option to display different messages on different VMS Boards at one time or a specific message on the Variable Message Signs in an area.

 A Single VMS Board can be used to display various safety messages. The Led Variable Message Sign can also be used for advertisement simultaneously thereby providing an option for the authorities to earn at the same time. The modern VMS has the capabilities to display the messages in different colors making the impact of the message more effective and advertisement-friendly.

LED Matrix

Light source High Intensity LEDs
Color Full Color
Pixel Pitch 20mm
1R1G1B or 3in1 SMD
Beam Width Class: B3
Resolution 88×288 Pixels
No of Modules 198 modules
Chain Failure No
LED Matrix
LED Matrix

LED Model & Matrix

LED Model LED Specs (RED) LED Specs (BLUE) LED Specs (GREEN)
LED Make Litemax Optoelectronics Litemax Optoelectronics Litemax Optoelectronics
Material AlGalnP lnGaN lnGaN
Lens Clear Type Clear Type Clear Type
3050-5300 MCD 3040-4360 MCD 9300-16000 MCD
620-630nm (Min-Max) 463-472nm (Min-Max) 520-529nm (Min-Max)


Character Size Dynamic
Brightness 1500 to 8500 cd/m₂
Viewing Distance >300 meters
Beam Width as per Class: B3
Auto Dimming Sensor based (mean)
In built sensor Temperature / Door sensors / Ambient Light sensors
Display area 5760mm x 1760mm
Overall Cabinet Size 6000mm x 2000mm x 200mm
Languages Asia/Africa/North America/South America/Antarctica/Europe/Australia
Graphics Full Color Graphics and text capability
VMS Display

Types of Variable message Signs

The Variable Message Signs have been manufactured to meet various needs of the clients and cater to the operational requirements of the authorities. Photonplay Inc manufactures various kinds of VMS Boards like:

  • Electronic Variable Message Signs
  • Overhead Variable Message Signs
  • Variable Message Signs Speed Limits
  • Changeable Variable Message Signs
  • Portable Variable Message Signs

Electronic VMS

Electronic Variable message Signs

Overhead VMS

Overhead Variable message Signs

VMS Speed Limits

Variable Speed Limits

Changeable Message Signs

Changeable Message Signs

Portable VMS

Portable Variable message Signs
  • ELECTRONIC VMS- These signs are used to display the remotely controlled messages on them that are sent by the Enforcement and Traffic Management Authorities on a Local or State Level. These signs are updated automatically.
  • OVERHEAD VMS- These are the types of Electronic VMS and are placed overhead which allows people to see the messages before they even reach near the place where these are installed.
  • VARIABLE SPEED LIMITS- These are used to display the dynamically varying speed limits in the work zones or in the case of emergencies.
  • CHANGEABLE MESSAGE SIGNS- These are used to divert the traffic on a specific route or display static messages like closed roads or work-in-progress.
  • PORTABLE VMS- Portable VMS Boards are very useful while organizing important events or festivals and managing the traffic without affecting people the most. These units can be installed anywhere on a temporary basis and messages can be displayed to direct and command the traffic and provide the information.

Variable Message Sign Variants and Sizes

Variable Message Signs came in different variants and sizes. The units manufactured by PhotonplayInc are highly customizable and can be ordered to manufacture as per the requirements of the clients. The vms signs have the high flexibility of design considerations and can be very easily used as overhead, portable or vehicle mounted LED VMS Signs.

Some of the most used variants of VMS manufactured by Photonplay Inc are:

  • Hydraulic Trailer Mounted Boards
  • Overhead VMS
  • Winch Trailer Mounted VMS
  • Stand-alone Changeable VMS
  • Vehicle Mounted VMS

All the VMS can be further customized as per the LED color combination like mono-colored, dual colored or multi-colored LED boards.

VMS Features

  • Bright LED with automatically adjustable background light support.
  • Scroll Function to display lengthy messages.
  • Single, Dual and Multi-colored variants available.
  • Customized size variation
  • Designed for 24x7x365 Operation
  • Rugged and robust design
  • Durable and reliable
  • Tough to vandalize
  • High contrast ratio
  • Flexible pixel pitch
  • Customizable font and display style with a dedicated exclusive programmed interface
  • Minimum Real-time delays in displaying messages
  • Low power consumption
  • Water resistant and dustproof
  • Easily visible from long distances
  • Wired as well as wireless variants available
  • Minimum Maintenance Requirements
  • Easy to Operate Software


The VMS is used for varied applications. Some of them are mentioned below:

  • Display road warning messages and maintenance operation information
  • Managing traffic and reducing congestion
  • Notification for adverse weather conditions.
  • Displaying Emergency numbers, distance left, etc.
  • Information related to safety measures, precautions
  • Calamity information like floods and other extreme weather conditions.
  • Issues like curfew, strike, law and order issues
  • Safety Enforcement Messages
  • Toll Information
  • Instant messages during an accident or any incident.

How Variable Message Sign promotes Road Safety?

Variable Message Signs display instant messages when an accident or any other incident occurs which can potentially cause traffic congestions. This helps in rerouting the traffic instantly on a real-time basis allowing the emergency services to reach the spot as early as possible thus reducing the chances of fatalities.

The VMS boards can be used to display warning messages at the time of natural calamities like a hurricane, floods, etc. and the people may be informed about the coming catastrophe so that they can be prepared beforehand.

The VMS is also used to regulate the speed of the vehicles on freeways and highways helping in streamlining the traffic, thus reducing the accidents and other unwanted incidents.

Color Patterns of the Variable Message Signs

The Variable Message Signs manufactured by PhotonplayInc comes in three variants, namely, mono-colored, two-colored and multi-colored display screens. The mono-colored display boards come in red, green or amber colored LEDs. The dual-colored displays come in a combination of any of the two colors whereas the multi-colored display consists of all the three colors of LEDs in the display. These LEDs ensure better visibility at all times and in all weather and climatic conditions.

To ensure distant visibility, LED illumination of single, dual or triple rows is followed for distant visibility owing to different weather conditions.

UL & CE Compliance

The products manufactured by PhotonplayInc adhere to the UL and CE Compliance Certification. The UL Mark certifies that Underwriter Laboratories have found out in their test that the product meets all the safety requirements. The CE mark is considered as a passport that allows the manufacturers to launch their products in the EU market. The CE Certification affirms that the product meets the EU Health, Safety, and Environment Standards and ensures the workplace and consumer safety.

The Variable Message Signs manufactured by PhotonplayInc adhere to all the above-mentioned certifications. Owing to these certificates and its robustness, these Speed Signs can be used almost anywhere in the world.

UL Certified


CE Certified



The VMS Boards manufactured by PhotonplayInc are made of the best quality components having high operational efficiency and low maintenance and power consumption requirements. They come with enhanced safety, are durable and robust. These efficient devices are easy to install and come at cut-throat prices making them highly affordable. The added feature of data collection and reporting makes these products stand out of those already present in the market. The minimum time lag relay system makes it one of the fastest dynamic message signs in the world.

We at PhotonplayInc follow a customer-centric approach and are always available for our clients with a splendid after sales service. Our prices vary according to the order size and design specifications of the client. Contact us and send your quote with the order size and other details and we will get back to you with our quote within one working business day.

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