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REA

VERIFIER

© REA Elektronik GmbH, 64367 Mühltal, Germany --- REA MLV-2D Manual Version 3 – 21/12/2015

Page 40 of 98

7.2

Multiple measurements

Multiple measurements are usually taken for barcodes according to ISO/IEC 15416.
The REA MLV-2D presets are configured for taking multiple barcode measurements.

ISO/IEC 15415 specifies that 2D codes must be measured only once. Multiple
measurements at different angles of rotation can be configured in the software (since
the older (now withdrawn) version of ISO/IEC 15415 required this functionality). In
certain cases – such as with dot-peened codes or metal surfaces featuring sawn or
abraded structures, for example – there is a possibility that the results will vary very
greatly due to the properties of the material or code on the substrate material and at
different angles of rotation. In this case, one can specify that the average result of all
angles of rotation measured can be used as a criterion. As an alternative, the worst
result from multiple measurements at various angles of rotation can be used as a
criterion (if the angle of rotation is random when reading, for example). Another
option is to define specific rotation angle for the symbol to be tested.

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Содержание MLV-2D

Страница 1: ...REA VERIFIER REA Elektronik GmbH 64367 M hltal Germany REA MLV 2D Manual Version 3 21 12 2015 Page 1 of 98 REA MLV 2D Verifier for matrix codes and barcodes Operating Manual...

Страница 2: ...Fixed IP addresses 13 4 6 9 DHCP 13 4 6 10 Zero configuration networking 13 4 6 11 Network settings at the terminal 14 4 7 Software 15 4 7 1 Software installation 15 4 7 2 Software and device options...

Страница 3: ...9 1 2D evaluation result code analysis decoding 53 9 2 Image of the measured code 55 9 3 Detailed analysis 56 9 4 Scaling the image display 56 9 5 Print gain growth 57 9 6 Histogram 57 9 7 Details su...

Страница 4: ...ment 82 11 3 Scaling adjustment 84 12 Calibration of the REA MLV 2D 85 12 1 Permissible device tolerances 87 12 2 Calibration for white and red light 88 13 Synthetic aperture measurement aperture 88 1...

Страница 5: ...al failure in terms of legibility depending on the application and the extent of the defects The course of action chosen as a response to quality defects is highly dependent on the corresponding appli...

Страница 6: ...ated with a reference verifier required for test equipment monitoring 1 white level correction card new protected by a blue film in a protective envelope 07601402 can be cleaned with 3M Novec 71IPA 2...

Страница 7: ...d on for customer specific analysis of data structures by using a definition table MLV 2D standard DPM ISO IEC TR 29158 AIM DPM Guideline 2006 internal software option quality evaluation for direct pa...

Страница 8: ...quired to illuminate the workplace Direct light from sunlight or spotlights is forbidden The film on the display serves to protect the surface and can be removed The REA MLV 2D is powered by an extern...

Страница 9: ...have been met a slow CPU increases the wait time Mouse with mouse wheel keyboard supplementary touchscreen as required Monitor graphics non glare screen min 48 cm 19 resolution of at least 1280 x 102...

Страница 10: ...ower adapter s Data In socket to the computer directly or indirectly The left hand picture illustrates the connection of the Data In socket to the network system represented here by the Ethernet switc...

Страница 11: ...nnected directly to this port with a cable With this configuration PCs that only have one network interface can no longer be integrated into the corporate network In this case it is recommended to use...

Страница 12: ...document that describes the network integration in detail and also specifies which ports are used This document should also be consulted for difficult installations 4 6 6 Firewall and network ports Se...

Страница 13: ...the PC and REA MLV 2D are on the company network and request their network settings from the DHCP server This mode is active in the factory settings 4 6 10 Zero configuration networking Zero configur...

Страница 14: ...ation selection DHCP ON or the fixed IP address can also be configured on the device itself The settings menu is called up by using the Setup key under Settings and then Network parameters Figure Sett...

Страница 15: ...32 program must then be installed To do so start Setup exe Depending on the version either the TransWin32 install is offered directly or first the TransWin32 button and then Install TransWin32 Adminis...

Страница 16: ...H 64367 M hltal Germany REA MLV 2D Manual Version 3 21 12 2015 Page 16 of 98 4 7 2 Software and device options At first comes the selection of the language for the installation process The next step i...

Страница 17: ...eck ER will be used PC Scan LD3 The REA verifier model REA PC Scan LD3 will be used ScanCheck 3n The REA verifier model REA ScanCheck 3n will be used MLV 2D The REA verifier model REA MLV 2D will be u...

Страница 18: ...only for me the data folder of the logged in user is used as the folder for files and data except if setup was run as an administrator when the admin s document folder is used in this case always sele...

Страница 19: ...the Programs or Program Files folder The suffix x86 indicates that it is a 32 bit program not 64 bit The path C ProgramData is the storage location for installation or program relevant data and is no...

Страница 20: ...20 of 98 A final check can be made before installation proceeds Note if the install is cancelled at this point the old version will already have been removed and the new one will not be installed The...

Страница 21: ...ly REA ADB icons are shown The other two icons are not required because these programs are started and stopped automatically with the TransWin32 program The REA verifier application is started using t...

Страница 22: ...is optional and works with the REA verifier only if the program licence has been purchased and then activated in the application 4 8 Fitting and replacing the optics module Four separate optics module...

Страница 23: ...accessories The base plates can be simply be replaced by the operator The base plates are secured to the 4 device legs with 4 T1 Torx screws which are removed in order to replace the base plate The ba...

Страница 24: ...ay The lighting is connected to the REA MLV 2D with a cable and plug connector The connector must be unplugged carefully A normal base plate must then be fitted as described in the previous section Th...

Страница 25: ...e of expensive hard to find specialised cables Simply pulling at the cable to remove it destroys the socket The plug should not be subjected to any pulling pressure or physical shocks Pulling the cabl...

Страница 26: ...ode in parallel or at an angle of 90 to the field of view in order to minimise any inaccuracies due to stepping effects at the code edges 4 The automated orientation function defines the measurement a...

Страница 27: ...the camera must always be able to image the code vertically and lighting must be at a 45 angle only DPM measurements have special requirements 8 Transparent materials must always be measured on a fla...

Страница 28: ...configured in parallel by using the device s keyboard and display 6 1 Starting the application The first step is to start the TransWin32 application This is done using the Start menu or the Desktop ic...

Страница 29: ...ected by clicking and confirming with OK To identify the devices the name can be changed and the MAC address system information see section 4 6 11 or the IP address on the display shown on the start s...

Страница 30: ...30 of 98 The short report is the first view shown after a barcode or 2D code measurement The report shows the final result for the single measurements made here 3 This report is a summary and does not...

Страница 31: ...is the detail view for experienced operators The text view corresponds to the long printout The short report shown above is intended for use with simple routine measurements Figure Graphical detail vi...

Страница 32: ...en appears at first after about 30sec boot time Pressing ON again while the REA MLV 2D is switched ON shows a menu see section Fehler Verweisquelle konnte nicht gefunden werden Menu option 2 is the sw...

Страница 33: ...measurement This is indicated by the symbol STORE Settings and input are applied immediately in the Setup menus This shortens the process of moving the cursor to the OK field in the display and confir...

Страница 34: ...is then ready for use During the power on sequence the LEDs flash to indicate the various power on stages Once the device is displaying the graphical start screen it is ready for use The start screen...

Страница 35: ...ical User Interface This is the interface normally used when working with the device After the GUI has been terminated the REA MLV 2D reverts to displaying only a black and white text based command te...

Страница 36: ...special characters by repeatedly pressing the numerical keys see Section 6 2 1 The main Setup menu displays the following options This is an overview Details are presented in the next section 6 2 2 4...

Страница 37: ...and date This internal device time setting is used by the REA MLV 2D operating system For analyses and the timestamp for verification reports the time and date is used from the PC on which TransWin32...

Страница 38: ...ownloaded see section 16 the download also includes the firmware for the MLV 2D The directory Device_Update is contained within the compressed downloaded archive ZIP file This contains the update file...

Страница 39: ...ffect If the test symbol is measured at arbitrary angles of rotation the stepping effects on interference structures can produce inconsistent results To maximise the level of comparability between mea...

Страница 40: ...15415 required this functionality In certain cases such as with dot peened codes or metal surfaces featuring sawn or abraded structures for example there is a possibility that the results will vary v...

Страница 41: ...placed on a printed sheet for example or other flat products The camera is set to point downwards On a printed sheet the device can be moved from code to code and the measurements are made with the d...

Страница 42: ...ight In this scenario the REA MLV 2D uses the terminal as its base The blue rubber rings on the terminal protect the keyboard and display from damage since they do not touch the supporting surface 7 3...

Страница 43: ...as the surface of the foam block Wherever possible the code position and area must appear to the verifier as an even surface 7 4 Live image The live image is used as a positioning guide as described...

Страница 44: ...be set manually The icon with the blue square forces the measurement of a 2D code If the function is active the mouse is used to click three corners of the matrix code in the measurement image one af...

Страница 45: ...Old icon New icon 7 8 Opening an image file The icon Old icon New icon can be used to open an image file BMP PNG and JPG formats can be processed as well as some other formats Once loaded the image c...

Страница 46: ...on purposes when re opened This is useful for comparing different software releases or for support purposes 7 10 Static reflectance measurement Static reflectance measurement can be performed in a mea...

Страница 47: ...e The measurement image can be shown at high levels of magnification or reduction The buttons are used to alter the display The percentage value indicates the magnification The value 45 8 m pixel depe...

Страница 48: ...een the display of the red cross hairs blue squares of various sizes or a horizontal red line on the display screen Figure Cross hairs automatic manual barcode and 2D code measurement area determinati...

Страница 49: ...are used to change the position of the red line 7 13 2 Changing the size of the 2D measurement area The measurement area for 2D matrix codes is specified with the blue frame The frame can be repositio...

Страница 50: ...ria The DPM grade makes adjustments for the lighting and the measurement aperture synthetic aperture The entire grading process therefore differs considerably from the ISO IEC 15415 base method which...

Страница 51: ...or excessively thick thin printing has shifted thresholds so far that they are now hiding individual code elements Edge grid The edge grid displays the reconstructed grid matrix This enables the iden...

Страница 52: ...the selected location Matrix centres The centres of the matrix cells are highlighted with green dots Warnings With this button all matrix cells if active are marked yellow if they are close to the th...

Страница 53: ...is decoding The evaluation of a code verification includes details of the code symbology identified and the decoded code content For the subsequent results to be meaningful both of these must be corre...

Страница 54: ...nual Version 3 21 12 2015 Page 54 of 98 The analysis and grading of the data structure with details of errors identified in the data structures is also shown The optional add on software package REA S...

Страница 55: ...at any position in the code image is possible by using a spot measurement Further details are given in the following chapters Icon functions for highlighting and displaying measurement image details a...

Страница 56: ...or module is identified the text is shown in red In case of low screen resolution at first the Expand button must be pressed to get access to this detailed analysis 9 4 Scaling the image display The t...

Страница 57: ...togram There are two histograms One is valid for the image once it has been filtered through the synthetic aperture standard criterion The other histogram relates to the original image captured Figure...

Страница 58: ...re for information only The first column shows the parameter name The second column shows the value measured in each case The third column indicates the relevant permissible limit values if these exis...

Страница 59: ...packaged in code words The fixed patterns timing pattern finder pattern L frame the code word collection to complete the symbol Total code words 50 Indicates the total number of decoded code words di...

Страница 60: ...itself leads to a downgrading of the code grade Without resolving these errors no better grade will be obtainable for the code The messages included in the Warnings group do not lead to a downgrading...

Страница 61: ...r Software V 1 0 16 0 11497r Reflectance adjustment 02 18 2012 Valid until 03 19 2012 Level Correction 02 18 2012 Valid until 03 19 2012 Scale adjustment 02 18 2012 Valid until 03 19 2012 Symbology GS...

Страница 62: ...Contrast uniformity CU 6 min 40 Print growth 69 m Print growth X 35 m Extreme value of Print growth X min 4 m max 90 m Print growth Y 110 m Extreme value of Print growth Y min 44 m max 174 m Optional...

Страница 63: ...a fail 9 10 4 Onscreen display of verification results on the MLV 2D Key details from the results are also shown onscreen on the MLV 2D verifier head using a sequence of eight screen pages The arrow...

Страница 64: ...the verification result includes the display of the identified symbology here Data Matrix PPN Under this the decoded code content is displayed 9N This is followed by a specification of the standards...

Страница 65: ...ny REA MLV 2D Manual Version 3 21 12 2015 Page 65 of 98 9 10 4 3 Error list The error list and warnings see section 9 9 on the display 9 10 4 4 Administration In conclusion the comments user and job n...

Страница 66: ...ed in plain text and enhanced with brackets around the AIs Underneath the listing then shows the individual Application Identifiers AIs with the respective GS1 data content and its meaning If code con...

Страница 67: ...2 Satisfactory for example is thus evaluated as a pass if the previously selected grade was 1 and as a fail if the previously selected grade was 3 The barcode evaluation 1D permits a choice between a...

Страница 68: ...ion To the right of this are shown the attributes of the code currently selected In this case it is GS1 Data Matrix ECC 200 This symbology designation is a short name for practical use Correctly formu...

Страница 69: ...e profiles About 30 profiles can be defined In practice e g in a production unit the operator selects the matching profile for a production job The selection and activation of a profile sets up a comp...

Страница 70: ...am Accordingly the consistent use of the job number means manual entry of filenames is unnecessary when saving and creating PDF documents The saving of verification reports as PDF files can be configu...

Страница 71: ...ghting can be used In ISO IEC 15415 mode however these are not calibrated and their use is thus advisable only in DPM mode Adjustment can be turned off for testing purposes or for in depth analysis On...

Страница 72: ...PPN specifications The aperture is specified using the unit mil The term mil means milli inches One inch equals 25 4 mm and milli means 1 1000 Accordingly 1 mil 25 4 m i e 0 0254 mm since 1 mil is 25...

Страница 73: ...Configure Other User and Password Settings Direct access is possible using the User and Password Settings icon In the settings shown simple password protection is now active In this mode all settings...

Страница 74: ...dialog and the subsequent working principles are the same in both cases The ways used to access the user management dialog are different however In the TransWin32 application user management is access...

Страница 75: ...ronik GmbH 64367 M hltal Germany REA MLV 2D Manual Version 3 21 12 2015 Page 75 of 98 The predefined password is 739485 After logging in the following dialog appears If Add user is selected the follow...

Страница 76: ...d all rights The normal user is effectively able to perform measurements and select predefined profiles Important The first user account that is created must have administrator rights As a result the...

Страница 77: ...ttempted once more by using the default admin account 10 8 4 User management during operation If the device is started with active user management the user ID is always requested first selection from...

Страница 78: ...owing dialog appears The bracketed text here rea indicates that the logged in user has the username rea If an administrator accesses user management the full dialog box appears 10 8 5 TransWin32 confi...

Страница 79: ...ect measurement must be followed particularly closely during calibration see section 5 2 The REA MLV 2D s adjustment data is stored in the device Its sister model the REA VeriCube stores this data on...

Страница 80: ...an the size of the field of view The adjustment function identifies this and configures the image section so that image portions containing the base plate are cropped out Adjustment is performed in th...

Страница 81: ...sign optics etc Level correction is started by clicking OK Level correction may fail issue a warning or complete successfully If level corrections fails or issues a warning then the camera lens on the...

Страница 82: ...g the four fields located inside the Reflectance calibration field The four reflectance values that have been entered into the Reflectance values target field must be checked and also entered into the...

Страница 83: ...field is at the top left and the black field is at the bottom right Figure Cross hairs on the grey value field Grey value adjustment is then started by using the OK button During adjustment a progres...

Страница 84: ...cular to the image section The software has a setting for the Dnom value in millimetres mm The value of 0 500 is the required setting in mm The scaling adjustment sets the pixel size automatically so...

Страница 85: ...ments made with the device since the last calibration must be re evaluated The degree of deviation observed during calibration is factored into the re evaluation Calibration should be performed no lat...

Страница 86: ...e used both are available as optional accessories In addition advanced calibration uses test cards that have been included in the scope of delivery by REA but are otherwise manufactured fully independ...

Страница 87: ...g to ISO IEC 15426 2 Measurement parameter Unit Tolerance Reference Rmax see histogram 2 5 reflectance Measurement values on the stamped reference verification report Rmin see histogram 3 3 reflectanc...

Страница 88: ...t wavelengths of approx 400 to 700 nm 13 Synthetic aperture measurement aperture The term aperture is usually understood to refer to the aperture of a camera lens This is not the case in this context...

Страница 89: ...ier have identical network addresses IP addresses They must be different in the same sense that a street address at one location cannot have two houses standing on it Multiple network cards If a given...

Страница 90: ...ures Connections can be interrupted if the REA verifier and PC are both integrated into a corporate network A high volume of network traffic can lead to transmission errors which are displayed as netw...

Страница 91: ...other process and not even for the purposes of producing educational materials without the prior written consent of REA Elektronik GmbH Although every care has been taken in the creation of this docum...

Страница 92: ...he USA and other countries Intel and ARM are trademarks of the Intel Corporation Linux is a registered trademark of Linus Torvalds REA is not responsible for the accuracy of these statements The use o...

Страница 93: ...SO IEC 15426 1 Automatic identification and data capture techniques Barcode verifier conformance specification Part 1 Linear symbols ISO IEC 15426 2 Automatic identification and data capture technique...

Страница 94: ...5426 1 and ISO IEC 15426 2 The primary calibration standards were obtained from Applied Image INC USA The contrast values were configured with the corresponding primary calibration standards in accord...

Страница 95: ...V 2D mit folgenden Bestimmungen with the following regulations est conforme aux dispositions suivantes valables en la mati re EG Richtlinien EC Directives Dir ctives CE EMC Directive 2004 108 EC Low V...

Страница 96: ...ghting light type Red wavelength 660 nm white light temperature 4400 K Lighting optional 90 coaxial lighting with 4000 K white light DOM lighting in preparation Aperture The camera aperture is preconf...

Страница 97: ...onarch 18 LAETUS Pharmacode LAETUS MiniPharmaCode measurement program 2D codes Data Matrix ECC200 QR Code Aztec Code HanXin Code PDF 417 MicroPDF Composite Codes Evaluation ISO IEC 15416 ISO IEC 15415...

Страница 98: ...the device After the repairs under warranty have been completed by REA Elektronik GmbH or the authorised REA partner the device will be returned to the recipient at no charge Express deliveries can be...

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