Glossary
A-Z knowledge about signalling technology.
A
The acknowledgement function is a function in electronic systems or signalling devices that allows the user to confirm or acknowledge an alarm or warning. The acknowledgement function indicates that the alarm has been recognised and allows the user to take action or monitor the alarm condition without the alarm being triggered again.
Andon (from the Japanese, meaning "paper" lamp) is a term used in lean management. It is a visual control system that can be used in production to indicate the status of machines or processes and to recognise problems immediately. It enables employees to quickly identify bottlenecks or malfunctions and take appropriate measures to minimise production downtime and increase efficiency. Faults can be communicated visually and acoustically using signalling columns, for example.
Armoured threads 29 (PG29) is a standardised thread size that is often used in electrical engineering and signalling technology for sealing cable glands. The PG29 thread has a diameter of 29 mm and is used for mounting cable glands in housings, control cabinets or terminal elements. It provides a secure and reliable seal against dust, moisture and other environmental influences and enables cables or wires to be fed safely through enclosure walls. PG29 threads are often used in industrial applications where robust and reliable connections are required.
Actuator Sensor Interface, ASi for short, a standardised bus system for field communication in automation technology that enables simple integration of sensors and actuators. ASi optimises the cabling in production plants, reduces the wiring effort and simplifies the installation and commissioning of devices.
The Association of Property Insurers, VdS for short, is a German organisation that deals with loss prevention and loss research. VdS provides certification, testing, training and consultancy services in the fields of security technology, fire protection, burglary protection and risk management and is internationally recognised for its expertise in loss prevention and risk assessment.
The ATEX directive (Atmosphères Explosibles) regulates the requirements for products used in potentially explosive atmospheres and ensures that they work safely and reliably. ATEX-compliant products must fulfil certain safety standards and be certified for use in potentially explosive atmospheres.
Autoscale mode enables a signalling system to automatically select and adjust the optimum size or scaling of the optical signal for specific Scoreboards. In this way, full-surface visibility is achieved for each display stand. This means that optimum visibility can be achieved for each display stand. This mode is available for all eSIGN models, for example.
B
The bayonet mechanism is a locking system that enables a quick and secure connection between two parts by locking them together with a twisting movement. Bayonet mechanisms are used to connect domes, connection and acoustic elements that require a simple and reliable connection. WERMA is a pioneer of the modular signal tower, whose individual elements can always be connected to each other using bayonet mechanisms.
The blinking light is a special light effect in signalling technology in which light-emitting diodes (LEDs) are used to generate periodically flashing light. It is used to visually signal warnings, instructions or alarms and is used in various areas such as vehicle lighting, safety systems or machine control systems. At WERMA, blinking light (LED) is part of the TwinLIGHT function, among other things.
C
A call for action system is a device used to transmit important information, alarms or signals and to inform employees, operators or safety personnel. Call and signalling systems can use various means of communication such as light signals, acoustic signals, display panels, remote signalling or wireless transmission technologies to disseminate messages and draw attention to events or situations.
China Compulsory Certification (CCC) is a mandatory certification for a wide range of products manufactured, imported or sold in China. CCC certification is required to ensure that products fulfil Chinese safety and quality standards and comply with legal requirements before they can be sold on the Chinese market.
ClassicLOOK describes the traditional design style of WERMA products. The appearance of terminal elements, acoustic elements and mounting elements is always black. ClassicLOOK also includes all domes that are equipped with white LEDs and thus produce the colour of the signalling via the colour of the dome.
A configurator is a tool or software application that allows users to customise or assemble products or systems according to their individual requirements. Configurators guide users through the process of selecting options, components or functions and then automatically generate a specific product configuration.
The Conformité Européenne mark, or "CE" for short, confirms the conformity of a product with the applicable EU directives and enables the manufacturer to sell the product within the European Economic Area. It indicates that the product fulfils certain safety and health requirements and has successfully passed the relevant conformity assessment procedures.
D
DesignLOOK describes the modern design style of WERMA products. The appearance of terminal elements, acoustic elements and mounting elements is grey, silver or white. DesignLOOK also includes all clear domes that are equipped with coloured LEDs and thus receive the colour of the signalling directly via the colour of the LEDs.
Det Norske Veritas (DNV) is an independent foundation that provides risk management, certification and technical consultancy services. DNV is particularly well known for its work in the shipping, energy, oil and gas, renewable energy and maritime industries. The organisation offers services such as classification, certification, inspection, consultancy and training.
A Dual Inline Package switch, or DIP switch for short, is an electronic component used to configure or set electronic devices or circuits. DIP switches consist of a series of switches arranged in a rectangular housing unit that allow different settings or options to be made by flipping the switch positions.
A dome is the outwardly visible part of the optical signalling device. It is used to protect the light generation area on the inside and at the same time to diffuse or focus the light using appropriate diffusers. Domes can come in different sizes, colours or shapes. At WERMA, for example, domes are available in red, green, yellow, blue and clear. The size and shape of the dome depend on the product in question.
Recording and analysing periods of time when a machine is not operational due to malfunction or maintenance. Downtime tracking is an important step in identifying bottlenecks, planning maintenance activities and improving machine availability and production performance.
E
Enhanced Visibility System (EVS) is the name given by WERMA to the development that promises to revolutionise signalling technology. Today, it is used whenever a particularly high level of attention is required. The random light signals mean that there is no habituation effect and the brain cannot escape the stimulus, even with prolonged flickering. WERMA uses light-emitting diodes for the EVS system. A microprocessor controls random light signals.
EtherNet/IP is an industrial communication standard based on Ethernet technology that is widely used in the automation industry. It enables the seamless integration of automation devices, controllers and systems into an Ethernet network and supports the exchange of data in real time. EtherNet/IP uses the CIP (Common Industrial Protocol) as a communication protocol and enables the transfer of control, I/O and diagnostic data between different devices and systems. It is often used in applications such as machine control, process automation, factory automation and robotics to improve the efficiency, flexibility and networking of production systems.
The EU Machinery Directive is a European directive that sets out the safety and health requirements for machinery and machine parts placed on the market in the European Union. The directive sets out requirements for the design, construction and operation of machinery to ensure that it complies with applicable safety standards and provides an adequate level of protection for users.
The Eurasian Conformity (EAC) mark confirms the conformity of a product with the technical regulations of the Eurasian Economic Union (EAEU). It enables the free movement of goods in the member states of the EAEU, including Russia, Belarus, Kazakhstan, Armenia and Kyrgyzstan, and indicates that the product fulfils the relevant technical standards and safety requirements.
F
The Federal Communications Commission (FCC) is an independent US federal agency responsible for regulating communications services, broadcasting, wireless devices, telecommunications equipment, broadcast and cable television. The FCC issues regulations and standards for the authorisation and operation of communications technologies and services in the USA.
The flashing light is a special light effect in signalling technology in which intensive, brief flashes of light are generated by light-emitting diodes (LEDs). Flashing lights are used to attract attention, convey warnings or signal in emergency situations and are used in areas such as alarms, safety lighting or emergency equipment.
At WERMA, flashing lights are part of the TwinFLASH function, among other things.
The Fresnel lens is a special optic used in signal beacons to bundle, focus or scatter the light. Fresnel lenses consist of several concentric rings or steps that create a large, flat lens with a low thickness and are used in rotating beacons, for example.
Full area signalling refers to the use of the entire signalling area to create the largest possible signal. Full area signalling provides high visibility and attention and is often used in environments where clear and distinct communication of information is required, such as factories, warehouses or traffic systems.
G
Germanische Lloyd, or GL for short, was an independent testing and certification organisation active in the shipping, shipbuilding and maritime industries. It offered services such as classification, certification and technical advice for ships, offshore structures and maritime equipment. In addition to the classification of all types of ships, Germanische Lloyd is also known as a technical inspection organisation.
Germanische Lloyd merged with Det Norske Veritas (DNV) in 2013 to form DNV GL, which was later renamed DNV.
H
Heavy duty refers to products, devices or components that are designed for use under extreme conditions or high loads. Heavy duty products are characterised by their robust construction, high load capacity and durability and are often used in industrial applications, construction machinery, vehicles or other demanding environments.
Homogeneous illumination refers to an even distribution of light over a certain area or surface. Homogeneous light pattern is important for the visual aesthetics, visibility and efficiency of lighting systems and is often achieved through the use of diffuse or scattering materials, optics or light sources.
The horn is an audible signalling device used to convey warnings or cues through a loud, piercing sound. Horns are used, for example, in vehicles, machines, industrial plants or emergency situations to draw attention to dangers, warn road users or provide communication signals.
Hygienic Design stands for the hygienic and cleanable design of all machines, systems and components that are used in hygiene-relevant areas for the production of food as well as pharmaceutical, cosmetic and biotechnical products. Hygienic Design also includes design principles to avoid design weaknesses that favour hygiene-related hazards or the risk of infection, disease or contagion. Hygienic design minimises the risk of contamination, facilitates cleaning and disinfection and ensures the safety and quality of products.
I
As a specialised agency of the United Nations, the International Civil Aviation Organisation (ICAO) has set itself the task of developing and refining uniform regulations for the safety, regularity and efficiency of international air traffic.
The guidelines cover various aspects, including flight safety, flight navigation, air traffic control, aircraft maintenance, safety inspections and environmental protection.
The Industrial Internet of Things (IIoT) refers to the networking of industrial systems, machines and devices using IoT technologies. IIoT enables the collection, analysis and remote monitoring of production data in real time to improve the efficiency, productivity and maintenance of industrial plants.
Industry 4.0 is a concept that describes the progressive digitalisation and networking of production facilities and processes using technologies such as IIoT, artificial intelligence, big data and robotics. Industry 4.0 strives for intelligent, flexible and automated manufacturing systems that enable greater efficiency, quality and adaptability.
Industry Canada, or IC for short, is a Canadian government agency responsible for the regulation and certification of communications equipment, radio frequencies and telecommunications services. IC certification is required to ensure that products meet Canadian standards for safety, interoperability and electromagnetic compatibility.
Installation mounting referrs to mounting option for a signal beacon that is installed in an opening or recess in a surface to provide a visual or audible signal. They are often installed in machines, control panels or control cabinets and provide an integrated signalling solution. Installation mountings can use different light sources such as incandescent lamps, LEDs or fluorescent lamps and are available in different sizes, shapes and designs to suit different requirements. Installation mountings are available as visual, audible or visual-acoustic solutions.
The certificate of the Fraunhofer Institute for Manufacturing Engineering and Automation, IPA for short, is a test mark for products that have been objectively qualified according to recognised standards and guidelines with regard to their cleanroom suitability.
The International Electrotechnical Commission (IEC) and the National Electrical Manufacturers Association (NEMA) are organisations that develop international standards for electrical and electronic equipment. IEC standards are recognised worldwide. The standards define specifications for the design, performance and safety of electrical devices.
The Internet of Things, or IoT for short, refers to the networking of everyday devices and objects with the Internet in order to collect, transmit and analyse data. IoT devices can communicate with each other, exchange information and perform automated actions to provide users with new functions, services or experiences.
IO-Link is a standardised communication protocol for connecting sensors and actuators to a controller that enables easy integration and configuration and supports bidirectional data transmission. IO-Link facilitates the parameterisation and diagnosis of devices, enables the transmission of process data in real time and thus offers a flexible and efficient solution for the automation of systems and machines.
IP is an international protection classification that specifies the degree of protection against the ingress of foreign bodies and water and thus defines the suitability of devices for various environmental conditions. The IP classification consists of two digits: The first digit indicates the degree of protection against solids, while the second digit indicates the degree of protection against water. Higher numbers mean higher protection.
J
K
L
Lean production is an approach to production that aims to minimise waste and maximise efficiency by continuously looking for improvements. Lean principles, such as just-in-time delivery, continuous process optimisation and teamwork, are applied to improve value flow, increase productivity and reduce costs.
Light Emitting Diode, or LED for short, is a semiconductor light source used in various lighting applications due to its energy efficiency, longevity and flexibility in lighting design. LEDs convert electrical energy directly into light and offer a wide range of colours, brightnesses and form factors, making them a popular choice in areas such as indoor and outdoor lighting, displays, automotive lighting and much more.
The light effect is the visual representation or pattern produced by a luminaire, which is decisive for the effect and functionality of the lighting in various applications. A light effect can be designed by arranging LEDs, optics or control elements to achieve certain visual effects, such as uniform illumination, lighting effects or warning signals.
A Type A low intensity obstruction light is used in aviation to mark low obstacles such as buildings, masts or towers. Type A obstruction lights emit a low intensity red light of > 10 cd and are designed to be visible in limited areas to warn aircraft without disturbing the surroundings.
A Type B low intensity obstruction light is used in aviation to indicate low obstacles such as antennas, masts or construction cranes. Type B obstacle lights emit a low intensity red light > 32 cd and are designed to be visible only in limited areas so as not to dazzle or disturb road users.
M
The M12 connection is a standardised connector that is often used in industrial applications for connecting sensors, actuators or data lines. The M12 connection consists of a cylindrical plug with a 12 mm diameter and screwable locking mechanism with M12 thread, which ensures a reliable and robust connection in the harshest environments.
M20 and M22 refer to metric thread sizes that are often used in industry for fixing components or devices. The M stands for metric and the number indicates the diameter of the thread in millimetres. These thread sizes are widely used in various applications that require reliable and robust fixing.
Machine availability is a measure of the availability of a machine for production. Machine uptime measures the percentage of time a machine is operational and can be used to manufacture products and is an important indicator of the efficiency and profitability of a production process.
Machine data collection (MDC) involves the collection and analysis of data from production machines to monitor and optimise processes. MDC makes it possible to record, store and analyse production data such as machine running times, downtimes, production quantities and quality parameters in order to improve efficiency, quality and productivity in production.
Machine performance refers to the performance and efficiency of a machine in the production process. Machine performance refers to the ability of a machine to fulfil the required work tasks, including production speed, accuracy and reliability, and is an important factor in a company's profitability and competitiveness.
The mean time to failure, or MTTF for short, is a statistical figure that indicates the average time that elapses between a device or system being switched on and its failure. It is used to assess the reliability and service life of products and can help with the planning of maintenance intervals or the selection of components.
The European standard EN ISO 13849-1 in particular has given the MTTF new significance, as it is used to assess machine safety as part of conformity tests.
The MTTF is a statistical parameter/key figure that is determined by tests or empirical values. It does not indicate a guaranteed service life or guaranteed failure-free time.
The MTTF values have been determined for a large number of WERMA products.
Modularity refers to the ability of a system to be composed of individual building blocks or modules that can be combined to achieve different configurations or functions. Modular systems offer flexibility, scalability and adaptability.
Mounting elements are special components or parts used for fixing, installing or mounting signalling equipment or systems. They include a variety of hardware components that enable signalling pillars, signal lamps, sirens, horns or other signalling devices to be mounted securely and stably. Mounting elements are manufactured in different sizes, shapes and materials depending on the products and application and can be used for indoor or outdoor mounting, on walls, ceilings, pipes or other surfaces. They play an important role in ensuring the functionality, stability and safety of signalling installations. Depending on the signalling device, the range of mounting accessories may vary.
Multicolour means that a device or light has the ability to produce more than three different colours. Multicolour devices can display a wide range of colours and are often used in applications that require versatile signalling, such as signal towers, installation mounting beacons, surface mounting beacons, traffic lights and much more.
N
National Electrical Manufacturers Association (NEMA) and International Electrotechnical Commission (IEC) are organisations that develop international standards for electrical and electronic equipment. NEMA standards are widely used in the USA. The standards define specifications for the design, performance and safety of electrical devices.
O
Obstruction lights are special lighting devices that are attached to tall buildings, towers, bridges or other structures to make them visible at night or in poor visibility conditions and to signal to aircraft that an obstacle is nearby. Obstruction lights can have different colours and light patterns to indicate different types of obstacles.
OmniVIEW is a light effect with 360-degree radiation. With this light effect, there are no blind spots in the signalling and thus allows visibility from any perspective.
The combination of optical and acoustic signals in one product to transmit information or warnings. Visual-audible signal towers, signal beacons or traffic lights use both lights and sounds to attract attention, trigger warnings or convey important information, especially in environments with high noise levels or limited visibility.
Overall Equipment Effectiveness, or OEE for short, is a measure of the efficiency and performance of production facilities. OEE takes into account the availability, performance and quality of a plant and is used to evaluate and improve its overall efficiency by identifying and eliminating bottlenecks, downtime and quality problems.
The Overall Equipment Effectiveness Dashboard, or OEE Dashboard for short, is a graphical user interface for displaying key figures and performance data related to overall equipment effectiveness. OEE Dashboards provide a clear and intuitive overview of production plant performance, enabling managers and employees to quickly grasp key information and make informed decisions.
Overall equipment effectiveness monitoring, or OEE monitoring for short, describes the continuous monitoring of overall equipment effectiveness to identify potential for improvement. OEE monitoring systems collect and analyse data from production facilities to identify bottlenecks, downtime and quality problems and recommend measures to optimise processes.
Overall equipment effectiveness software, or OEE software for short, is software for measuring, analysing and improving overall equipment effectiveness. These software solutions collect and process data from production plants in order to calculate key figures, identify performance problems and highlight optimisation potential in order to increase productivity and profitability.
P
Performance monitoring describes the continuous control of the performance of machines or processes. Performance monitoring systems record and analyse data such as speed, throughput, utilisation and energy consumption in order to optimise the efficiency, quality and profitability of production facilities and to detect bottlenecks or problems at an early stage.
Permanent light refers to a continuous light source that emits light constantly without flashing or flickering. Permanent lights are used in signalling to continuously send a signal or a certain status.
The effect of piezoelectricity (also known as the piezoelectric effect or piezo effect for short) describes the interaction of mechanical pressure (Greek piezein - to press) and electrical voltage in solids. It is based on the phenomenon that electrical charges occur on the surface when certain materials are deformed (direct piezo effect).
Conversely, these materials (usually crystals) deform when an electrical voltage is applied. The deflection is relatively small and must be transferred to a membrane. The vibrations of the membrane excite air molecules and can be perceived as sound.
Poka Yoke is a quality management method that aims to avoid or minimise human error by identifying and eliminating sources of error in the production process. Poka Yoke involves the implementation of precautions, checks or automation to ensure that errors cannot occur in the first place or are recognised and corrected immediately.
Power over Ethernet, or PoE for short, is a technology that makes it possible to transmit power and data via a single Ethernet cable. PoE is often used in network infrastructures to supply power to devices such as IP cameras, VoIP telephones, WLAN access points and network switches without the need for separate power cables.
Pre-assembled Signal Towers products or systems are pre-built and ready for immediate use or installation. They are fully assembled to meet specific requirements or standards. These products can be found in the shop under a product number and cannot be customised.
Unlike modular products, pre-assembled or pre-configured products from WERMA are a compact unit and can be ordered with just one article number. This reduces the effort involved in the ordering and installation process. These can be flexibly extended using mounting adapters and accessories.
A push-in terminal, also known as a spring type terminal or quick connect terminal, is an electrical terminal that allows wires or conductors to be connected quickly and safely by simply inserting the wire into the terminal. Push-in terminals offer a simple and time-saving solution for wiring devices or control cabinets and enable a reliable electrical connection without the use of tools.
Q
Quality monitoring is the monitoring and control of product quality during the manufacturing process. Quality monitoring systems record, analyse and evaluate product parameters such as dimensional accuracy, surface quality, material defects or error rates to ensure that products meet the specified standards and requirements and that high quality standards are maintained.
The Quickfinder provides a quick and efficient overview of additional products and accessories that can be combined with a product. The various combinations of accessories and products are clearly displayed in the Quickfinder to ensure maximum transparency before configuration without having to search for a long time.
R
The REACH regulation (Registration, Evaluation, Authorisation and Restriction of Chemicals) is an EU regulation that aims to improve the protection of humans and the environment from the risks of chemical substances. According to REACH, manufacturers, importers and users of chemicals must collect, evaluate and provide information on their properties and safe use. This includes the registration of chemicals, the assessment of risks, the authorisation of certain hazardous substances and the restriction of the use of substances of very high concern. The REACH regulation also covers products such as signalling equipment that may contain chemicals and ensures that they can be used safely and do not pose a risk to health or the environment.
The real-time monitoring of machines or real time machine onitoring to collect and analyse performance data. Real-time machine monitoring systems continuously collect data such as operating times, downtimes and production volumes in order to monitor the performance of machines or systems and take immediate action to optimise them if necessary.
The Restriction of Hazardous Substances (RoHS) Directive imposes restrictions on the use of certain hazardous substances in electrical and electronic equipment in order to reduce the environmental impact of these substances. RoHS-compliant products contain no or only very small quantities of lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE).
The rotating beacon is a special 360-degree signal beacon used in various industries and vehicles to draw attention to hazards or special situations. It emits a bright light in all directions and is mounted on vehicles such as emergency vehicles, construction machinery or cranes, for example, to warn other road users or draw attention to itself.
The rotating mirror beacon is a 360-degree luminaire with a rotating mirror that is used in certain applications to direct or focus light in different directions. The mirror rotates around the lighting element during use in order to focus and direct the emitted light. This type of luminaire is often used in industry to direct light onto specific work areas or to create reflections in order to improve visibility or amplify signals.
S
A scoreboard is a device or equipment for displaying information or signals. Scoreboards are often used in industrial environments to visually display the status of machines, processes or systems and to provide important information or warnings to operators or employees.
Shopfloor refers to the production area in a company where actual production takes place. The Shopfloor includes all the equipment, machines, tools and workstations required to manufacture products or provide services and is a central area for the efficiency and productivity of a company.
A Shopfloor Management System is a software solution or information system that is used to digitally manage and optimise production processes, workflows and key performance indicators at Shopfloor level. It enables the digital monitoring of production data in real time, the planning of orders, the tracking of production progress and the identification of potential for improvement.
The signal beacon A luminaire for visual signalling in industrial environments. Signal beacons are equipped with different colours and light signals to indicate the status of machines, processes or systems and communicate important information or warnings to improve safety, efficiency and productivity.
A column for visual signalling in industrial environments. Signal towers consist of multiple lights in different colours that can indicate different conditions or warnings to inform employees or operators of the current operating status of machines, processes or equipment and to indicate potential hazards.
Single Pair Ethernet (SPE) is an Ethernet technology that enables data transmission over just one pair of cables. SPE is used for applications where space is limited, such as in automation technology, vehicle technology and building automation. It offers a cost-effective and space-saving solution for networking devices.
A siren is an audible signalling device used to convey warnings or emergency instructions by means of a loud, piercing acoustic signal. Sirens are often used in emergency situations, alarm systems or as part of security systems to alert people, draw attention to danger or coordinate evacuations.
SmoothDESIGN is a design approach that focusses on a smooth, seamless surface and aesthetic elegance. SmoothDESIGN emphasises a harmonious integration of shapes, materials and surface textures to create products or applications with an appealing and high-quality appearance that promotes a positive user experience.
The surface mounting beacon is a signal beacon that is mounted above or on a surface to direct or illuminate light into a specific area. Surface mounting beacons are often used in industrial applications, work areas or public areas and can use different light sources such as LEDs, xenon lamps or halogen lamps.
T
The terminal element is the part or component used for the electrical, mechanical or functional connection between the mounting element and the optical/acoustic part. There are two different versions for connecting the cable leading to the signalling device.
One type is the cable tail. With this type of connection, cables are led out of the housing and connected to the power supply or the control unit by the user. Open stranded wires or pre-assembled plugs are used.
Another version has connection terminals in the signalling device itself. In this case, the user feeds their own supply or control cables into the device and connects them to the terminal located in the connection area (screw or spring-loaded terminal).
Tone types are acoustic signals used to attract attention, convey warnings or communicate information. They are used in various applications, such as alarm systems, machine control systems, signalling systems or warning signs, and can have different meanings or functions depending on the requirements. Tone types can differ according to the number of tones according to Hertz or reproduction as permanent tone, pulse tone or alternating permanent and pulse tone.
For warning signals and alarm tones, there are certain tone types that are subject to ISO or DIN standards or have country-specific meanings.
With WERMA products, the tone types also indicate how many different tones a signalling device is capable of reproducing.
A traffic light is a signalling system used to regulate the flow of traffic and ensure the safety of pedestrians and vehicles. It typically consists of several light signals in the colours red, yellow and green, which indicate to road users whether they should stop, wait or continue.
Tricolour refers to a signalling device or light that is capable of producing three different colours, typically red, yellow and green. These colours are often used to indicate different states or signals, such as stop, caution and proceed, and are used in various applications such as traffic signals, machine controls or safety systems.
The Twin function combines two light effects in one element; these can be remotely controlled via the connection terminals and can also be used as an escalation stage. TwinFLASH combines LED flashing light and the eye-catching LED EVS function in one signalling device. TwinFLASH is often used in applications where fast or dual signalling is required to draw attention, warn or transmit information, such as in emergency or security systems.
The Twin function combines two light effects in one element, which can be remotely controlled via the connection terminals and can also be used as an escalation stage. TwinLIGHT combines LED permanent light and LED blinking light in one signalling device. TwinLIGHT is used to achieve amplified or double lighting in certain applications to improve visibility, safety or aesthetics, such as in vehicle lighting systems or industrial applications.
Type of mounting includes all the ways in which a signalling device is installed or mounted. The type of mounting can take into account various factors such as space requirements, visibility, accessibility, safety, load capacity and aesthetic requirements and can vary depending on the application, e.g. wall mounting, ceiling mounting, floor mounting, pipe mounting, surface mounting, installation mounting, etc.
U
Underwriters Laboratories (UL) is an independent organisation that carries out safety certification and testing of products in various industries. The UL mark indicates that a product has been tested by UL and fulfils the applicable safety standards, particularly with regard to electrical and fire hazards.
cULus is a variant of the UL test mark that applies not only to the US market but also to the Canadian market. The cULus mark confirms the conformity of a product with Canadian and US safety standards and enables the manufacturer to sell the product in both markets.
Products labelled "Class 2" may only be used in circuits that are operated in accordance with UL Class 2.
The United Kingdome Conformity Assessed (UKCA) mark is the new British product labelling. It is used to certify the conformity of products with the applicable British safety and health requirements. It replaces the CE mark for certain products on the UK market after Brexit and indicates that the product complies with UK regulations.
Universal Serial Bus, or USB for short, is a standardised interface for connecting computers to peripheral devices. USB enables the simple and fast transfer of data and power to devices via a single cable, making it a widely used and versatile connection type in the computer and electronics industry.
Ultrabright is the designation for particularly bright or powerful light sources, especially LED lights. Ultrabright LEDs offer increased light output compared to conventional LEDs and can produce light up to 20 times brighter. These LEDs are often used in applications that require high brightness or wide illumination, such as vehicle lighting, mechanical engineering or advertising.
V
W
The Waste Electrical and Electronic Equipment Directive (WEEE) sets out requirements for the collection, treatment, recycling and disposal of waste electrical and electronic equipment in order to prevent environmental pollution caused by electronic waste and to optimise the use of resources. Manufacturers are obliged to label and dispose of their products in accordance with the provisions of the WEEE Directive.
X
Xenon is a noble gas that is used as a phosphor in certain gas discharge lamps. Xenon lamps produce a bright and white light with a wide light colour temperature and are often used in vehicle headlights, film projectors, strobe lights and other applications that require high light output and colour rendering.