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Making Fluorescent Logos Visible with Dome Light
Making Fluorescent Logos Visible with Dome Light
To verify the authenticity of products, logos, specific features or QR codes are often printed directly onto the product or packaging with fluorescent ink. During production, the prints invisible to the human eye must be checked for presence and completeness. With the help of a camera-based system consisting of a dome light and a smart camera, all common UV prints can be made visible, read and verified for authenticity. Operator safety is also ensured as the dome and filter block all direct UV rays.
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Homogeneous Illumination of 1D and 2D Codes on Boxes at Varying Distances Thanks to Flat Dome Light
Homogeneous Illumination of 1D and 2D Codes on Boxes at Varying Distances Thanks to Flat Dome Light
1D and 2D codes are used in large logistics centers to identify cardboard packaging. In order for these to have a high contrast and thus be read reliably, the codes must be evenly illuminated at all times and from varying distances. For this purpose, a flat dome light is installed on the side of the conveyor belt, with a code scanner positioned in the opening. This flat light illuminates the entire working range with homogeneous white light and enables reliable recognition of the codes on the shipping boxes.
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Scanning of DataMatrix Codes on Transparent Rear Windows with 1D/2D Code <em class="search-results-highlight">Scanner</em>
Scanning of DataMatrix Codes on Transparent Rear Windows with 1D/2D Code Scanner
In the production of passenger car rear windows, several window variants must be identified, differentiated and tracked. A small black DataMatrix code is applied directly on the transparent glass of the panes. This must be read and decoded by a 1D/2D code scanner in passing on the conveyor line before the panes are stored – despite constantly changing light conditions and backgrounds. Thanks to auto-focus and a large visual field, the codes can be reliably detected at various points on the rear window.
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Reading of Needle Punched 2D Codes on Round and Glossy Components with 1D/2D Handheld <em class="search-results-highlight">Scanner</em>
Reading of Needle Punched 2D Codes on Round and Glossy Components with 1D/2D Handheld Scanner
In the automotive industry, the smallest components such as chassis and engine components must be identified and made traceable. For this purpose, needle punched DataMatrix codes are applied directly to the partially high-gloss and round metal parts. Collecting this data poses a particular challenge for the scanners’ reading properties. wenglor handheld scanners with integrated illumination technology ensure fast and reliable code detection. The practical design makes it easier to use in hard-to-reach places.
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Reading Directly Marked DataMatrix Codes on PCBs with 1D/2D Handheld <em class="search-results-highlight">Scanner</em>
Reading Directly Marked DataMatrix Codes on PCBs with 1D/2D Handheld Scanner
In the electronics industry, PCBs must be manually reworked and identified. Each successfully completed work step is confirmed with a scan. The directly marked lasered DataMatrix codes provide little contrast to the green background with their copper coloring. The handheld scanners capture the difficult to read codes quickly and reliably from all angles and emit a visual, acoustic and haptic signal to the user. The wireless connection of the scanner via Bluetooth also ensures flexible and ergonomic use.
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Capturing Barcodes on Plastic Boxes in Automated Small Parts Stores via Barcode Raster <em class="search-results-highlight">Scanners</em>
Capturing Barcodes on Plastic Boxes in Automated Small Parts Stores via Barcode Raster Scanners
Large logistics centers use a variety of plastic boxes for the transportation, storage and retrieval of all types of items. There are 1Dácodes on the plastic boxes with information about the items contained in the box. These barcodes are subject to wear over time. Barcode raster scanners are used for identification. Thanks to the high scan rate and the wide scanning range, they capture the codes quickly and, thanks to the TCP/IP interface, enable rapid data exchange between the scanner and the control system.
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Barcodes on Cans Read by Barcode Raster <em class="search-results-highlight">Scanners</em>
Barcodes on Cans Read by Barcode Raster Scanners
In the packaging industry, barcodes printed on different cans must be reliably scanned. Triggered by a trigger signal, the cylindrical cans are guided past the scanner at a speed of 45 m/min and are detected. If the scanners are optimally aligned to the desired code types, even varying diameters of the passing objects have no influence on the quality of the scan. The more precisely the scanner is aligned to the codes, the smaller the laser line can be set and the advance speed of the cans can be increased.
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Inspection of Transport Labels on Palletized Goods Via Sweep Raster <em class="search-results-highlight">Scanners</em>
Inspection of Transport Labels on Palletized Goods Via Sweep Raster Scanners
In the packaging industry, ready-made products must be placed on pallets laminated and secured. The packaged pallets are now labeled with transport labels that contain information about the entire freight units and have a variety of 1D codes on the labels. In order to reliably scan the large areas with the numerous individual codes, sweep raster scanners with particularly large detection ranges are used.
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Automatic Tracking of Large Packages via 1D Code Reading with Sweep Raster <em class="search-results-highlight">Scanner</em>
Automatic Tracking of Large Packages via 1D Code Reading with Sweep Raster Scanner
In intralogistics, pallets are transported on roller conveyors. Sweep raster scanners are located on both sides of the conveyor lines. Large areas can be scanned thanks to the moving laser lines up and down. This reliably identifies barcodes of different sizes, positions or arrangements on the packages. The detection range between object and scanner is also variable and can be between 10 mm and 750 mm. The scanners are connected to the system with one cable each for power consumption and Ethernet connection.
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Scanning of QR Codes on Printed Circuit Boards with 1D/2D Code <em class="search-results-highlight">Scanner</em>
Scanning of QR Codes on Printed Circuit Boards with 1D/2D Code Scanner
When manufacturing PCBs for the electronics industry, the PCBs must be transported into soldering systems during the process and their position reliably detected. For constant product traceability (“track and trace”) of the printed circuit boards, they are marked with a QR code. A 1D/2D code scanner scans the boards to decode the lasered codes and transmit them to the higher-level system. Thanks to its compact design, it can be mounted under the conveyor rail to save space.
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Code Reading of Pharmaceuticals and Packaging at High Speeds Using 1D/2D Code <em class="search-results-highlight">Scanners</em>
Code Reading of Pharmaceuticals and Packaging at High Speeds Using 1D/2D Code Scanners
In the production of pharmaceuticals, ampules must be assigned to the packaging before shipment. To do this, a large number of codes printed on vials and packaging are recorded at high speed in a short time. While the ampules usually contain 1D codes, the cardboard packaging often has 2D codes – but both types of code must be reliably detected and decoded. Side-mounted 1D/2D code scanners record and process up to 32 of these codes simultaneously in high-speed mode.
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Detection of Small QR Codes on High-Gloss Electronic Components with 1D/2D Code <em class="search-results-highlight">Scanners</em>
Detection of Small QR Codes on High-Gloss Electronic Components with 1D/2D Code Scanners
Electronic components such as Piezo transducers must be recorded and assigned in production processes. Each component has laser or printed QR codes, which are often barely larger than one millimeter. These high-gloss and reflective objects must also be detected in very short cycle times. 1D/2D code scanners mounted above the conveyor line reliably detect the small codes thanks to their high resolution. Reflections can be hidden by diffuser and polarizing filter lenses.
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Websites
Machine Vision
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Scanner Performance Right Down the Line
wenglor Presents New Barcode Line Scanners Precision in the first dimension: wenglor’s new barcode line scanner sets new standards in the reading of one-dimensional codes. Thanks to the increased scanning area, the stationary scanner can be used even more flexibly – at manual workstations and in fully automated systems. With the integrated CCD line, the BLN series barcode line scanner sets itself apart in particular with its high reading performance. The large scanning area is 20 to 200 mm or 30 to 520 mm depending on the model, which greatly increases flexibility in system design and installation. The compact design (29 x 60 x 52 mm) also enables installation in tight spaces such as complex intralogistics facilities. The BLN scanner reliably reads 1D codes with a very high density of over 0.075 mm in static and dynamic applications of up to 0.3 m/s with a scan rate of 510 scans/s. The decoded information is sent directly to the system via an integrated Ethernet or RS-232 interface. Visible red light helps to ensure that the code is optimally aligned in the scanning area when used in manual workstations. The successful decoding is then output directly to the operator via a green “Good Read” LED, the practical OLED display shows the information stored in the code. In addition to the easy operating concept requiring no additional software, the smart sensor impresses with its robust housing design with IP67 degree of protection, which also makes it suitable for use in harsh industrial environments. The highlights at a glance Large scanning area from 20 to 200 mm or 30 to 520 mm Compact design for installation in space-restricted systems Ethernet and RS-232 interface Visible red light for easy alignment Green “Good Read” LED and OLED display to show the reading status
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More Performance, Intuitive Operation, More Variety
In mid-September, wenglor sensoric released 19 new models of the C5PC series of 1D/2D code scanners, once again expanding its portfolio with more powerful and easy-to-operate code scanners. The simple installation via Plug & Play in particular, as well as the intuitive, browser-based WebLink user interface or the uniform interface concept across all scanners, open up a large number of new application solutions for users. The WebLink user interface pre-installed in each scanner guides users to install and set up the scanners, even without any programming knowledge. The decoding of codes can be started directly after the IP address has been entered. The scanners can be easily integrated into systems thanks to the available interfaces such as digital IOs, RS-232, Ethernet TCP/IP, PROFINET and EtherNet/IP TM . “With all 19 new scanner models, ease of initial start-up and networking are the two biggest advantages for users”, explains wenglor product manager Stefan Winkler. The Right (Hardware) Solution for Every Application From now on, the C5PC series will be available in variants with static focus or auto-focus, with resolutions of 0.3 megapixels, 1.2 megapixels or 5 megapixels and with optics in SD, HD or LR. There are seven different focal distances between 50 and 1,200 mm. With these hardware combinations, 1D and 2D codes can be read and decoded reliably, even if they have been printed, needle punched or lasered directly onto the object (also called DPM, Direct Part Marking). “With the new scanner portfolio, we have a suitable product for every customer requirement”, says Winkler. “From simple static applications with high contrasts, simple and complete codes to dynamic applications with high object speeds and very small, complex and sometimes incomplete or damaged codes, we can now take care of any task – with 25 percent higher reading performance than before”. Quality Standards, Daisy Chain and Tamper Protection Round Off the Portfolio All common standards for determining code quality are met with the scanners: ISO/IEC TR 29158 and EN 15415, EN 15416 and EN 16022. With CodeScan 360, up to eight scanners can be connected via daisy chain, providing a 360° visual field. This means that several scanners can be arranged in a circle around an object and connected together, for example. The code on the object is safely decoded by one of the scanners in the system, regardless of its position. “The advantage for users is not only secure all-round detection, but also that the configuration and results are managed as if it were just a single scanner”, says Winkler. The scanners can also be password-protected for protection against manipulation. Different user roles and levels are available here in WebLink. “The new Multishot Configuration Database is also located in WebLink. Here, users can select different configurations stored in the integrated database, after which the scanner automatically performs quick multiple scans at different positions as well as at different heights and brightness levels. The scanner processes these and evaluates them simultaneously. Users save manual programming effort and thus a lot of time! All in all, the new generation is even stronger, offers more practical features than ever before and is even easier to use”, says Winkler. The Highlights at a Glance Browser-based interface WebLink Easy installation thanks to Plug & Play Consistent interface concept (digital IOs, RS-232, Ethernet TCP/IP, PROFINET, EtherNet/IP TM ) 360° decoding with CodeScan 360 19 new models available 25% higher read performance Compliance with standards to determine code quality: ISO/IEC TR 29158, EN 15415, EN 15416, EN 16022 Protection against manipulation thanks to password protection  
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Technology and Principle of Operation of Illumination Technology
Lighting is essential for industrial image processing. Type, color and intensity of the illumination create contrast which defines what is visible in the captured image. Therefore only homogeneous lighting conditions result in a robust and repeatable image capture. Fluctuating light conditions such as daylight are to be avoided.
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Hygiene
The sensors for hygienic applications are ideal for use in the food and pharmaceutical industries. Thanks to the high-quality stainless steel 316L housing, they are robust and corrosion-resistant.
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Product Highlights
On these pages, innovation is more than just a promise. All information about new product series as well as downloads, tutorials, templates and much more are combined here and clearly prepared – tangible, understandable and traceable. Everything at a glance.
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the innovative family
One of the most successful medium-sized family-owned companies for smart sensor and image processing technologies.
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Training | Experience and Understand Sensor Technology
From basics training to intensive training – there are numerous ways to learn in detail about wenglor products and their application possibilities in theory and practice. Engineers and industry experts provide the necessary knowledge transfer and support in solving individual challenges.
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Product Highlights Dome Lights
Dome lights enable an even and homogeneous illumination of the object. They can be used to illuminate complex reflective objects by creating a diffuse lighting from all directions. Dome lights are based on the modular ring lights in combination with special dome accessories, thus offering a broad range of functionalities – manufactured by wenglor.
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Unit for the Future: wenglor Restructures Its Development
Hardware expertise in 1D, 2D and 3D meets software expertise One vision, two areas of expertise: In order to bundle synergies even more strongly in the future, sensor and image processing expert wenglor sensoric realigned its internal development centers and business units at the beginning of June. The areas of 2D image processing, 2D/3D sensors, code scanners and software were combined in the wenglorMEL business unit; in return, special photoelectronic and inductive sensors were assigned to the Sensor Technology business unit. The wenglor Group is thus strengthening its two most important core competencies of sensor technology and image processing. It is aiming to reduce the complexity of individual industrial requirements and to offer its customers fully integrated and easy-to-operate all-round systems. “Now what belongs together is growing together,” says wenglor Managing Director Rafael Baur, who is responsible for the development and research centers at wenglor worldwide. “By combining and expanding the hardware and software department under one roof, particularly in the area of Machine Vision, synergies can now be used before and during the development phases of new products. The close integration of both disciplines has long since arrived on the market – the boundaries are fluid!” In concrete terms, this means: The areas of machine vision software, image processing and Smart Cameras, 1D/2D and barcode scanners as well as 2D/3D sensors are now combined under the wenglorMEL business unit, which was previously only responsible for the 2D/3D sensors. “With Christian Vollrath and his team as real image processing and software experts, wenglorMEL Managing Director Torsten Hellerström is creating a true center of excellence for this massively growing business area,” explains Baur. “With this reorganization, our configurable standard software uniVision will make all 2D/3D hardware components smart. For our customers, this means being able to implement more efficient production systems more quickly and cost-effectively.” It is not only the field of image processing that has received a structural update, wenglor’s largest sensor technology business unit is also being further expanded and is benefiting from synergies. High-performance sensors that were previously developed at wenglorMEL are now being produced at the main site in Tettnang and further developed under the leadership of Volker Schnell. As part of this move, development capacities will be increased by almost 20 percent – once again a clear commitment to the region and the company headquarters. “Both units – both sensor technology and image processing – will be strengthened by the new organization and areas of expertise will be bundled together,” summarizes Rafael Baur. “We look forward to moving forward with these two teams and delivering many innovations with two strong centers of excellence.”
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Machine Vision Controllers System Overview
The machine vision controllers enable the connection of machine vision cameras and 2D/3D profile sensors. In addition to individual configuration options, a comprehensive range of accessories is available. A flexible system can be put together from the pre-installed uniVision image processing software to illumination technology.
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Machine Vision Camera System Overview
In addition to individual configuration options, a comprehensive range of accessories is available. From matching connection cables to mounting systems, a flexible system can be assembled to carry out image processing tasks reliably and precisely. This page provides a compact overview:
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Downloads
Material Resistance of Handheld Scanners
Material Resistance of Handheld Scanners (260 KB)
This document is intended to help product selection when using wenglor handheld scanners.
Press Picture: BLN Scanner
Press Picture: BLN Scanner (219 KB)
New Products: BLN Scanner
New Products: BLN Scanner (435 KB)
We have summarized the most important new product features and highlights of the barcode line scanners for a clearer overview.
Product Overview of 1D/2D and Barcode Scanners
Product Overview of 1D/2D and Barcode Scanners (208 KB)
This document contains the product overview of 1D/2D and barcode scanners.
Press Picture: 1D/2D Code Scanners C5PC
Press Picture: 1D/2D Code Scanners C5PC (257 KB)
New Products: 1D/2D Code Scanners C5PC
New Products: 1D/2D Code Scanners C5PC (447 KB)
We have summarized the most important new product features and highlights of the 1D/2D code scanner C5PC for a clearer overview.
Overview of Readable Codes
Overview of Readable Codes (352 KB)
This document lists all code types that can be read and processed by wenglor scanners.
Technical Glossary
1D/2D Scanner
A 1D/2D scanner is a scanner that can read and process both 1D codes (1D code) and 2D codes (2D code).
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2D Code
A 2D code, also known as a two-dimensional code, consists of a pattern of dark and light elements (bars, rectangles and squares with corresponding spaces in between) which are arranged in a 2D fashion. 2D codes have a more complex layout than 1D codes, and the technology required for acquiring and deciphering them is more complex as well as the scanner must always read the entire pattern depicted by the barcode in order to acquire and decipher 2D codes, and not just a horizontal line as is the case with 1D Codes. Two-dimensional codes contain more diverse information than one-dimensional codes, for example information for the identification of products, texts such as addresses, and delivery note numbers. In general, we differentiate within the 2D codes between the stacked codes (stacked code) and the matrix codes (DataMatrix code).
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2D Code Scanner
A 2D code scanner is a scanner which operates according to the principle of an image processing system. It is equipped with a CCD or a CMOS element plus an integrated illumination and scans (scanning) a defined surface area depending on the selected scanning range. Thus, it is capable of reading 1D and 2D codes omnidirectionally.
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Acoustic Indicator
An acoustic indicator is the acoustic signal that scanners emit in case of successful barcode scanning.
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Alternating Pattern
An alternating pattern is an array of symbols which tells the scanner where it should stop reading. See also: Finder Pattern, Data Region
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Auto-Focus
Auto-focus means the automatic refocusing of the optics included in a scanner which allows for scanning at greater distances with sufficient depth of focus. This increases reading reliability.
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Barcode
A barcode is a symbolic language of binary structure used for automatic, computer-aided identification of objects. Originally, it is the designation for a series of dark bars and light spaces (space) of varying width. A series of elements of this type can be used to encode numeric or alphanumeric data (numeric code or alphanumeric code). Bars and spaces are arranged parallel to one another, and this arrangement is deciphered into a corresponding series of numeric or alphanumeric characters during code evaluation. Innumerable types of barcode symbols exist today including black square and rectangles with corresponding spaces in between, dots etc. Basic differentiation is made between 1D codes (1D code) and 2D codes (2D code). Barcodes are always read by means of optoelectronic scanners. Current pulses, known as a pulse train, which correspond to the series of dark symbols and light spaces on the barcode label, are generated at the scanner’s optical receiver as a result of the varying reflective qualities of the dark (black) symbols and the light (white) spaces. An electronic evaluation of the pulse train (decoding) translates it into a corresponding series of numeric or alphanumeric characters, which in turn represents the designation code for the respective product or object.
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Coordinated Scanner System
A coordinated scanner system consists of a group of scanners which have been interconnected in a daisy chain. This can be advantageous if the alignment of the barcode is unknown.
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Daisy Chain
Daisy chain is an operating mode by means of which up to nine scanners can be connected to each other via their RS-232 interfaces. The network consists of one master and up to eight slaves. The master controls scanning operations executed by the slaves with a serial trigger signal. A slave which is series connected downstream from another slave receives all of the data read by the upstream slave. This data, as well as the data read by the downstream slave, are transmitted to the next downstream slave. The last slave in the network sends all acquired data to the master.
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DataMatrix Code
A DataMatrix code is a special type of 2D code consisting of a group of dots and lines. This code can only be read by special 2D code scanners (2D code scanner). The advantage of the matrix code is its high information density, which is roughly 15 times greater than that of a simple barcode. Example: The DataMatrix Code can be read in any direction (omnidirectional) and allows for the representation of a wide variety of different character and font sets. The DataMatrix Code utilises horizontal and vertical boundary lines (orientation lines). Depending upon size, up to 2334 ASCII code characters (7 bit), 1558 extended ASCII code characters (8 bit) or 3116 characters can be encoded. In the most reliable version (DataMatrix code ECC 200), all characters can be restored, even if up to 25 % of the barcode has been destroyed.
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Decoder
The decoder is a component in the scanner which deciphers the barcode.
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Deflection Angle
The deflection angle is the maximum angle of a raster scanner which can be used to calculate the raster height.
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