Metrohm viva 1.0 User Manual
viva 1.0
Manual
8.103.8011EN
Metrohm AG
CH-9100 Herisau
Switzerland
Phone +41 71 353 85 85
Fax +41 71 353 89 01
info@metrohm.com
www.metrohm.com
viva 1.0
8.103.8011EN
Manual
04.2013 ek/doe
Teachware
Metrohm AG
CH-9100 Herisau
teachware@metrohm.com
This documentation is protected by copyright. All rights reserved.
Although all the information given in this documentation has been
checked with great care, errors cannot be entirely excluded. Should you
notice any mistakes please send us your comments using the address
given above.
Documentation in additional languages can be found on
http://documents.metrohm.com.
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Table of contents
1 Introduction 1
1.1 Welcome to viva ................................................................... 1
1.2 Operation ............................................................................. 2
1.3 Device integration ................................................................ 2
1.4 Method editor ....................................................................... 3
1.5 Database ................................................................................ 3
1.6 Communication ..................................................................... 4
1.7 Conformity ............................................................................ 4
1.8 Versions ................................................................................. 5
1.9 Online help ............................................................................ 6
2 General program functions 7
Table of contents
2.1 Program parts ....................................................................... 7
2.1.1 Program parts .......................................................................... 7
2.1.2 Workplace - User interface ...................................................... 8
2.1.3 Database - User interface ......................................................... 8
2.1.4 Method - User interface ........................................................... 9
2.1.5 Configuration - User interface .................................................. 9
2.1.6 Manual control - User interface ............................................. 10
2.2 Login / password protection ............................................. 10
2.2.1 General information on login / password protection .............. 10
2.2.2 Logging in ............................................................................. 11
2.2.3 Logging out manually ............................................................ 12
2.2.4 Logging out automatically ..................................................... 12
2.2.5 Changing the password ......................................................... 12
2.3 Formula editor .................................................................... 13
2.3.1 Input field .............................................................................. 14
2.3.2 Calculation algorithms ........................................................... 15
2.3.3 Variables ............................................................................... 16
2.3.4 Operators/functions ............................................................... 33
2.3.5 Molar mass calculator ............................................................ 66
2.4 Editing ................................................................................. 67
2.4.1 Selecting the date .................................................................. 67
2.4.2 Text editor ............................................................................. 68
2.4.3 Hyperlink ............................................................................... 69
viva 1.0
2.5 E-mail ................................................................................... 69
2.5.1 Sending an e-mail .................................................................. 69
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III
Table of contents
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3 Workplace 70
3.1 Workplace - General ........................................................... 70
3.1.1 Workplace - Definition ........................................................... 70
3.1.2 Workplace - User interface .................................................... 70
3.1.3 Workplace - Menu bar ........................................................... 70
3.1.4 Workplace - Toolbar .............................................................. 73
3.1.5 Workplace - Subwindows ...................................................... 73
3.1.6 Workplace - Functions ........................................................... 74
3.1.7 Views .................................................................................... 76
3.2 Workplaces ......................................................................... 79
3.2.1 Creating a new workplace ..................................................... 79
3.2.2 Editing a workplace ............................................................... 79
3.2.3 Displaying the workplace ....................................................... 80
3.2.4 Closing a workplace .............................................................. 81
3.3 Sample tables ...................................................................... 81
3.3.1 Editing the sample table ........................................................ 81
3.3.2 Sample table - Properties ....................................................... 91
3.3.3 Sample table manager ......................................................... 100
3.4 Sample assignment table ................................................. 103
3.4.1 Sample assignment table ..................................................... 103
3.4.2 Sample assignment .............................................................. 104
3.4.3 Entering an assignment ID ................................................... 104
3.5 Text templates .................................................................. 105
3.5.1 List of text templates ........................................................... 105
3.5.2 Editing a text template ......................................................... 105
3.6 Run subwindow ................................................................ 106
3.6.1 Run - General ...................................................................... 106
3.6.2 Run test ............................................................................... 106
3.6.3 Single determination ............................................................ 108
3.6.4 Determination series ............................................................ 119
3.7 Method subwindow ......................................................... 146
3.7.1 Method window - General .................................................. 146
3.7.2 Method window - Method run ............................................ 146
3.7.3 Method window - Evaluation ............................................... 148
3.8 Live display subwindow ................................................... 149
3.8.1 Live display - General ........................................................... 149
3.8.2 Live display - Tracks ............................................................. 150
3.8.3 Live display - Application note ............................................. 151
3.8.4 Live display - Messages ........................................................ 151
3.8.5 Live display - Properties ........................................................ 152
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IV
3.9 Curves subwindow ........................................................... 156
3.9.1 Curve display ....................................................................... 156
3.9.2 Curve properties .................................................................. 161
3.10 Report subwindow ........................................................... 172
3.10.1 Report - General .................................................................. 172
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4 Database 174
Table of contents
3.10.2 Latest report ........................................................................ 172
3.10.3 Selected report .................................................................... 172
3.10.4 Report overview .................................................................. 172
3.10.5 Properties report overview ................................................... 173
4.1 Database - General ........................................................... 174
4.1.1 Database - Definition ........................................................... 174
4.1.2 Database - User interface ..................................................... 174
4.1.3 Database - Menu bar ........................................................... 175
4.1.4 Database - Toolbar .............................................................. 178
4.1.5 Database - Subwindow ........................................................ 180
4.1.6 Database - Functions ........................................................... 181
4.1.7 Views .................................................................................. 181
4.2 Database display .............................................................. 185
4.2.1 Opening a database ............................................................ 185
4.2.2 Selecting a database ............................................................ 186
4.2.3 Displaying a single database ................................................ 187
4.2.4 Displaying databases next to one another ............................ 187
4.2.5 Displaying databases one above the other ........................... 187
4.2.6 Closing a database .............................................................. 187
4.3 Managing databases ........................................................ 188
4.3.1 Managing databases ........................................................... 188
4.3.2 Creating a new database ..................................................... 189
4.3.3 Renaming a database .......................................................... 189
4.3.4 Deleting a database ............................................................. 190
4.3.5 Database properties ............................................................. 190
4.3.6 Backing up a database manually .......................................... 194
4.3.7 Restoring a database ........................................................... 195
4.4 Templates .......................................................................... 196
4.4.1 Report templates ................................................................. 196
4.4.2 Control chart templates ....................................................... 236
4.4.3 Export templates ................................................................. 240
4.5 Determination overview .................................................. 248
4.5.1 Determination overview - General ........................................ 248
4.5.2 Determination overview - Functions ..................................... 253
4.6 Curves subwindow ........................................................... 304
4.6.1 Curve display ....................................................................... 304
4.6.2 Curve properties .................................................................. 310
4.7 Subwindow Information .................................................. 329
4.7.1 Information - Overview ........................................................ 329
4.7.2 Information - Determination ................................................ 329
4.7.3 Information - Method .......................................................... 332
4.7.4 Information - Sample ........................................................... 333
4.7.5 Information - Configuration ................................................. 334
4.7.6 Information - Messages ....................................................... 337
4.7.7 Information - Determination comment ................................ 338
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V
Table of contents
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4.8 Results subwindow .......................................................... 338
4.8.1 Results - General .................................................................. 338
4.8.2 Results - Result overview ...................................................... 339
4.8.3 Results - Results ................................................................... 339
4.8.4 Results - User-defined results ............................................... 340
4.8.5 Results - Properties .............................................................. 342
5 Method 344
5.1 Method - General ............................................................. 344
5.1.1 Method - Definition ............................................................. 344
5.1.2 Method - User interface ....................................................... 344
5.1.3 Method - Menu bar ............................................................. 345
5.1.4 Method - Toolbar ................................................................ 347
5.1.5 Method - Subwindow .......................................................... 349
5.1.6 Method - Functions ............................................................. 349
5.2 Method editor ................................................................... 350
5.2.1 New method ....................................................................... 350
5.2.2 Opening a method .............................................................. 350
5.2.3 Selecting a method .............................................................. 352
5.2.4 Editing a method ................................................................. 353
5.2.5 Checking a method ............................................................. 359
5.2.6 Saving a method ................................................................. 359
5.2.7 Printing a method report ..................................................... 361
5.2.8 Closing a method ................................................................ 362
5.3 Managing methods .......................................................... 362
5.3.1 Managing methods ............................................................. 362
5.3.2 Renaming a method ............................................................ 364
5.3.3 Copying a method ............................................................... 364
5.3.4 Moving a method ................................................................ 364
5.3.5 Deleting a method ............................................................... 365
5.3.6 Sending a method to ........................................................... 365
5.3.7 Exporting a method ............................................................. 365
5.3.8 Importing a method ............................................................ 366
5.3.9 Renaming an imported method ........................................... 366
5.3.10 Showing the method history ................................................ 367
5.4 Method groups ................................................................. 368
5.4.1 Managing method groups .................................................. 368
5.4.2 Editing method groups ........................................................ 369
5.5 Method run subwindow .................................................. 370
5.5.1 Tracks .................................................................................. 370
5.5.2 Commands .......................................................................... 377
5.6 Evaluation subwindow .................................................... 553
5.6.1 Evaluation - General ........................................................... 553
5.6.2 Evaluation - General ........................................................... 554
5.6.3 Evaluation - Substances ....................................................... 555
5.6.4 Evaluation - Standards ......................................................... 562
5.6.5 Evaluation - Calibration ........................................................ 564
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VI
viva 1.0
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6 Configuration 617
Table of contents
5.6.6 Evaluation - Results .............................................................. 573
5.6.7 Evaluation - Calculated results .............................................. 591
6.1 Configuration - General ................................................... 617
6.1.1 Configuration - Definition .................................................... 617
6.1.2 Configuration - User interface .............................................. 617
6.1.3 Configuration - Menu bar .................................................... 618
6.1.4 Configuration - Toolbar ....................................................... 620
6.1.5 Configuration - Subwindows ............................................... 620
6.1.6 Configuration - Functions .................................................... 621
6.1.7 Views .................................................................................. 622
6.2 Administration .................................................................. 625
6.2.1 User administration ............................................................. 625
6.2.2 Security settings ................................................................... 632
6.2.3 Program administration ....................................................... 638
6.3 Configuration data ........................................................... 643
6.3.1 Export/import ...................................................................... 643
6.3.2 Back up/restore ................................................................... 648
6.3.3 Templates ............................................................................ 650
6.3.4 Options ............................................................................... 655
6.4 Devices subwindow .......................................................... 658
6.4.1 Configuration - Devices ....................................................... 658
6.4.2 Device table ......................................................................... 659
6.4.3 Device properties ................................................................. 663
6.4.4 Device assignment ............................................................... 663
6.5 Solutions subwindow ....................................................... 664
6.5.1 Solutions - General .............................................................. 664
6.5.2 Solution table ...................................................................... 664
6.5.3 Solution properties .............................................................. 667
6.6 Dosing units subwindow ................................................. 671
6.6.1 Dosing units - General ......................................................... 671
6.6.2 Table of dosing units ........................................................... 672
6.6.3 Properties of dosing unit ...................................................... 674
6.7 Sensors/electrodes subwindow ....................................... 682
6.7.1 Sensors/electrodes - General ................................................ 682
6.7.2 Sensor table ........................................................................ 682
6.7.3 Sensor properties ................................................................. 685
6.8 Colorimetric sensors subwindow .................................... 688
6.8.1 Colorimetric sensors - General ............................................. 688
6.8.2 Table - Colorimetric sensors ................................................. 688
6.8.3 Properties - Colorimetric sensors .......................................... 692
viva 1.0
6.9 Common variables subwindow ....................................... 701
6.9.1 Configuration - Common variables ..................................... 701
6.9.2 Table of common variables .................................................. 701
6.9.3 Properties common variables ............................................... 704
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VII
Table of contents
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6.10 Global variables subwindow ........................................... 710
6.10.1 Configuration - Global variables ........................................... 710
6.10.2 Table of global variables ...................................................... 710
6.10.3 Properties global variables ................................................... 713
6.11 Rack data subwindow ..................................................... 719
6.11.1 Configuration - Rack data ................................................... 719
6.11.2 Rack table ........................................................................... 719
6.11.3 Rack properties .................................................................... 722
7 Devices 727
7.1 894 Professional CVS ....................................................... 727
7.1.1 894 Professional CVS - Overview ......................................... 727
7.1.2 Properties - General ............................................................. 727
7.1.3 Properties - MSB # ............................................................... 728
7.1.4 Properties - Calibrator .......................................................... 729
7.1.5 Properties - GLP .................................................................. 731
7.1.6 Dialog window Load new program version .......................... 733
7.2 846 Dosing Interface ........................................................ 734
7.2.1 846 Dosing Interface - Overview .......................................... 734
7.2.2 Properties - General ............................................................. 734
7.2.3 Properties - MSB # ............................................................... 735
7.2.4 Properties - GLP .................................................................. 736
7.3 858 Professional Sample Processor ................................ 738
7.3.1 858 Professional Sample Processor - Overview ..................... 738
7.3.2 Properties - General ............................................................. 739
7.3.3 Properties - Tower ............................................................... 740
7.3.4 Properties - Rack .................................................................. 742
7.3.5 Properties - Starting position ................................................ 743
7.3.6 Properties - MSB # ............................................................... 744
7.3.7 Properties - GLP .................................................................. 745
7.3.8 Robotic arm configuration ................................................... 747
7.3.9 External position .................................................................. 748
7.4 919 IC Autosampler plus ................................................. 749
7.4.1 919 IC Autosampler plus - Overview .................................... 749
7.4.2 Properties - General ............................................................. 749
7.4.3 Properties - Tower ............................................................... 750
7.4.4 Properties - Rack .................................................................. 753
7.4.5 Properties - Starting position ................................................ 753
7.4.6 Properties - MSB # ............................................................... 755
7.4.7 Properties - GLP .................................................................. 756
7.4.8 Robotic arm configuration ................................................... 758
7.4.9 External position .................................................................. 759
7.5 814/815 USB Sample Processor ...................................... 760
7.5.1 814/815 USB Sample Processor - Overview .......................... 760
7.5.2 Properties - General ............................................................. 760
7.5.3 Properties - Tower ............................................................... 761
7.5.4 Properties - Rack .................................................................. 763
VIII
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viva 1.0
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Table of contents
7.5.5 Properties - Starting position ................................................ 764
7.5.6 Properties - MSB # ............................................................... 765
7.5.7 Properties - GLP .................................................................. 766
7.5.8 Robotic arm configuration ................................................... 768
7.5.9 External position .................................................................. 769
7.6 Avantes Spectrometer ..................................................... 770
7.6.1 Avantes Spectrometer - Overview ........................................ 770
7.6.2 Properties - General ............................................................. 770
7.6.3 Properties - Settings ............................................................. 771
7.6.4 Properties - Detector ............................................................ 772
7.6.5 Properties - Calibration ........................................................ 772
7.6.6 Properties - Dark spectrum ................................................... 773
7.6.7 Properties - Reference spectrum .......................................... 774
7.6.8 Properties - GLP .................................................................. 775
7.7 089 Photometer ............................................................... 777
7.7.1 089 Photometer - Overview ................................................. 777
7.7.2 Properties - General ............................................................. 777
7.7.3 Properties - Settings ............................................................. 778
7.7.4 Properties - Adjustment ....................................................... 779
7.7.5 Properties - MSB # ............................................................... 780
7.7.6 Properties - GLP .................................................................. 781
7.8 RS-232 device ................................................................... 783
7.8.1 RS-232 device - Overview .................................................... 783
7.8.2 Properties - General ............................................................. 783
7.8.3 Properties - RS-232 .............................................................. 784
7.8.4 Properties - GLP .................................................................. 786
7.8.5 Establishing a connection with the RS-232 device ................ 788
7.9 Barcode reader ................................................................. 788
7.9.1 Barcode reader - General ..................................................... 788
7.9.2 Barcode reader - Overview ................................................... 789
7.9.3 Properties - General ............................................................. 790
7.9.4 Properties - Settings ............................................................. 791
7.9.5 Properties - GLP .................................................................. 791
7.9.6 Establishing a connection with the barcode reader .............. 793
8 Manual control 794
8.1 Manual control - General ................................................. 794
8.2 Manual control - User interface ...................................... 794
8.3 Manual control - Device selection ................................... 795
8.4 Manual control - Functions ............................................. 795
8.4.1 Measuring ........................................................................... 795
8.4.2 Dosing ................................................................................. 798
8.4.3 Stirring ................................................................................ 802
8.4.4 Remote functions ................................................................ 804
8.4.5 Sampler changer functions .................................................. 806
viva 1.0
8.5 Manual control - Graphical display ................................. 813
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IX
Table of contents
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9 Support 814
9.1 How to proceed? .............................................................. 814
9.1.1 Fuse .................................................................................... 814
9.1.2 Determinations .................................................................... 821
9.1.3 Databases ............................................................................ 833
9.1.4 Configuration data .............................................................. 838
9.1.5 Methods .............................................................................. 842
9.1.6 Method groups ................................................................... 849
9.1.7 Sample tables ...................................................................... 850
9.1.8 Reports ................................................................................ 854
9.2 Troubleshooting ............................................................... 859
9.2.1 894 Professional CVS ........................................................... 859
9.2.2 Peripheral devices ................................................................ 862
9.3 Frequently asked questions ............................................. 863
Glossary 865
Index 875
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X
viva 1.0
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1 Introduction
1.1 Welcome to viva
Introduction
1 Introduction
viva 1.0
viva
viva is a control and database software for VA measuring instruments.
Overview of the main program features
￭ Easy-to-operate and easily configurable user interface
￭ Simple integration of devices and accessories
￭ Convenient method editor
￭ Database-based program with client/server functionality
￭ Wide range of import and export functions
￭ Conformity
￭ Comprehensive online help
￭ Program versions
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1
1.2 Operation
1.2 Operation
Introduction
The modern user interface makes it easy for you to find your way
around viva. All commands and control elements are located where you
would expect. The bar on the left edge of the screen gives you access to
the five basic elements of viva:
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Workplace Database Method Configura-
Depending on the access permissions, these buttons are either visible or
invisible. The menu bar is in the upper part of the screen. It is also possible
for the individual commands to be hidden, depending on the access permissions.
In the center of the screen, you can find the information windows with
the settings, sample entry masks, live curves or results. This view can be
set individually for each user with the aid of the layout manager. As a
result, users see only those windows or buttons they actually need for
their work. This reduces the introductory period for routine users to a minimum. Incorrect operation as a result of overcrowded screens is also a
thing of the past.
A wide range of tried-and-tested methods allow any user to create new
methods quickly and simply and to use them immediately.
1.3 Device integration
Introduction
Manual
tion
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2
The following instruments can be operated with viva:
￭ 894 Professional CVS
￭ 846 Dosing Interface
￭ 858 Professional Sample Processor
￭ 919 IC Autosampler plus
￭ 814/815 USB Sample Processor
viva 1.0
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1.4 Method editor
Introduction
viva contains a graphical method editor, with which you can define
simple and complex analysis procedures. With the aid of the numerous
templates, methods can be created quickly and easily. For most routine
and automated tasks, there are tried-and-tested methods available. Just a
few clicks and they are adapted and ready to use.
Overview of functions
￭ Method editor (see Chapter 5.2, page 350)
￭ Method manager (see Chapter 5.3, page 362)
￭ Separate management of access permissions for each method group
(see Chapter 5.4.2, page 369)
￭ Templates for method development and calculations (see Chapter
5.2.1, page 350)
￭ Plausibility check for methods (see Chapter 5.2.5, page 359)
1 Introduction
1.5 Database
Introduction
viva is based on an object-oriented database that has proven itself in
practice. All program settings, user administration, methods and templates
are stored in the configuration database, and the determination data is
stored in the determination databases defined by the user. These databases can be installed locally on the computer reserved for measurements
and represent a simple measurement system. viva is, however, scalable
and grows with increasing operational requirements. As soon as data
security and central data management make it necessary, viva is installed
as a client/server configuration. The viva database is then installed on
a server. All measurement and office computers work as clients. All results
are stored centrally in this network and can be accessed and reprocessed
by all client PCs. In addition, all clients use the same method pool.
The new database has all the major tools necessary for managing, searching for and grouping results. Quick filters allow the user to browse
through thousands of determinations within seconds and to display the
result clearly. Chart plots provide a quick overview of the chronological
sequence of the results.
viva 1.0
All options for reprocessing are available to the user.
Overview of functions
￭ Object-oriented client/server database (see Chapter 6.2.3.1, page 638)
￭ Layout manager for database view (see Chapter 3.1.7, page 76)
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3
1.6 Communication
￭ Quick filters (see Chapter 4.5.2.4, page 257)
￭ Efficient search functions (see Chapter 4.5.2.3, page 254)
￭ Access permissions control for every database (see Chapter 4.3.5.3,
page 191)
￭ Automatic database backup (see Chapter 4.3.5.4, page 192)
￭ Quick result overview or specially designed control charts (see Chapter
4.5.2.16, page 302)
￭ Reprocessing of determinations (see Chapter 4.5.2.5, page 262)
1.6 Communication
Introduction
viva is communicative. Data generated in viva can be exported in XML
and CSV format. This therefore enables a simple connection to all customary LIMS. In addition, exporting to long-term archiving systems is also supported.
The Report generator provides a simple and flexible solution for creating analysis reports and allows you to freely define the report templates. It
is therefore possible to display one or more determinations in a layout of
your choice as a PDF file or as a printout at any time.
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A special feature is that viva can send messages, error messages or results
from the method run to the user by e-mail.
Overview of functions
￭ Various export formats, e.g. XML, CSV, TXT (see Chapter 4.4.3, page
240)
￭ Report templates (see Chapter 4.4.1.4.1, page 199)
￭ E-mail functions for status messages, error messages or results (see
Chapter 2.5, page 69)
1.7 Conformity
Introduction
viva sets new standards with respect to the fulfilling of GMP and GLP
requirements. The latest quality standards and validation procedures
were implemented already at the development and programming stage of
the software. Access permissions for program functions and determinations are defined in a centralized user administration, in which you can
create as many users as you like with freely definable access profiles. The
system administrator can conveniently access the user administration from
any viva client. Access to the software is password-protected and the
viva or Windows login can be selected.
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1.8 Versions
1 Introduction
Data management is version-controlled, and all data is protected
against unauthorized access, modification or deletion in the database. The
database itself controls access to the data in network operation and provides archiving and restore functions.
Conformity-relevant properties of viva
￭ Completely developed and validated with conformity in mind
￭ Centralized user administration (see Chapter 6.2.1, page 625)
￭ Detailed access permissions (see Chapter 6.2.1.2, page 626)
￭ Password protection under viva or Windows (see Chapter 6.2.2, page
632)
￭ Documentation of all method and result modifications (see Chapter
4.5.2.13, page 301)
Introduction
viva is available in two sales versions which differ with regard to the
scope of functions. An upgrade is possible at any time.
viva 1.0 full viva 1.0 multi
Product 6.6065.102 6.6065.103
Maximum number of instruments
4 4
per PC
User administration • •
Security settings • •
Client/server support •
Number of licenses 1 3
Additional licenses as an option •
XML data export to LIMS • •
Upgrade possible •
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1.9 Online help
1.9 Online help
Introduction
Calling up the help
viva has a very extensive and detailed online help that can be accessed in
two ways:
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￭ General access The Help ▶ viva Help menu item or the
symbol is
used to open the online help with the topic Welcome to viva. From
there you can jump to the desired topic via Contents, Index, Search
or personal Favorites.
￭ Context-sensitive access You can jump directly to the topic which
contains information on the active element in viva (dialog window,
tab) with the [F1] function key on the keyboard.
Symbols and conventions
The following symbols and formatting are used in this documentation:
6.4.2Device
table
Link to another help topic that contains information
about the marked term.
Method Dialog text
Designation for names of parameters, menu items,
tabs and dialog windows in the software.
100 Designation for parameter values in input fields.
File ▶ New... Menu or menu item; path needed to reach a certain
point in the program.
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6
[Continue] Button
Formula editor
Formulas can be entered in fields with this icon. The
formula editor opens when you click on the (see
Chapter 2.3, page 13) icon.
Instruction step
Carry out these steps in the sequence shown.
Caution
This symbol draws attention to possible damage to
instruments or instrument parts.
Note
This symbol marks additional information and tips.
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2 General program functions
2.1 Program parts
2.1.1 Program parts
General program functions
viva has five different program parts which can be opened by clicking on
the corresponding symbol in the vertical bar on the left. The symbol for
the opened program part is shown in color, the symbols for the other program parts in black and white. The menus, toolbars and content of the
main window depend on the program part currently opened.
Workplace program part
￭ Opening/closing workplaces
￭ Starting single determinations and determination series
￭ Sample tables
2 General program functions
Database program part
￭ Opening/closing databases
￭ Managing databases
￭ Reprocessing
￭ Creating report templates
Method program part
￭ Opening/closing existing methods
￭ Creating new methods
￭ Managing methods
Configuration program part
￭ Configuring instruments, solutions, dosing units, sensors, common var-
iables and rack data
￭ Security settings
￭ User administration
￭ Program administration
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2.1 Program parts
Manual program part
￭ Manual control of instruments
NOTE
Access to the individual program parts can be deactivated in the user
administration. In this case, the corresponding symbols are hidden.
2.1.2 Workplace - User interface
Program part: Workplace
Workplace symbol
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Clicking on the workplace symbol in the vertical bar on the left opens the
Workplace program part while at the same time the workplace symbol is
shown in color. The upper left corner of the symbol contains a black field
displaying the number of workplaces currently opened (see Chapter 3.2.3,
page 80).
Elements
The user interface of the Workplace program part comprises the following elements:
￭ Workplace-specific menu bar.
￭ Workplace-specific toolbar.
￭ Main window, in which up to 6 subwindows can be displayed.
2.1.3 Database - User interface
Program part: Database
Database icon
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8
Clicking on the database symbol in the vertical bar on the left opens the
Database program part; the database symbol is shown in color at the
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same time. The upper left corner of the symbol contains a black field displaying the number of databases currently opened (see Chapter 4.2, page
185).
Elements
The user interface of the Database program part comprises the following
elements:
￭ Database-specific menu bar.
￭ Database-specific toolbar.
￭ Main window, in which up to six subwindows can be displayed.
2.1.4 Method - User interface
Program part: Method
Method icon
2 General program functions
Clicking on the method symbol in the vertical bar on the left opens the
Method program part; the database symbol is shown in color at the
same time. The upper left corner of the symbol contains a black field displaying the number of methods currently opened (see Chapter 5.2.3,
page 352).
Elements
The user interface of the Method program part comprises the following
elements:
￭ Method-specific menu bar.
￭ Method-specific toolbar.
￭ Main window in which several methods can be opened and a maxi-
mum of two can be displayed at the same time.
2.1.5 Configuration - User interface
Program part: Configuration
Configuration icon
viva 1.0
Clicking on the configuration symbol in the vertical bar at the left opens
the Configuration program part; the database symbol is shown in color
at the same time.
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2.2 Login / password protection
Elements
The user interface of the Configuration program part comprises the following elements:
￭ Configuration-specific menu bar.
￭ Configuration-specific toolbar.
￭ Main window, in which up to six subwindows can be displayed.
2.1.6 Manual control - User interface
Program part: Manual control
Manual control - Symbol
Clicking on the Manual symbol in the vertical bar on the left opens the
Manual control program part in a separate window; the Manual sym-
bol is displayed in color at the same time.
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Elements
The user interface of the Manual control program part comprises the
following elements:
￭ Instrument selection
￭ Functions/parameters
￭ Graphical display
2.2 Login / password protection
2.2.1 General information on login / password protection
Program parts: Workplace / Database / Method / Configuration
Login into viva
viva can be configured so that all users have to log in with their user
name and password and this data is automatically checked. This
requires a User administration to be set up and the corresponding
Security settings to be made. This data is saved in the configuration
database. In the case of client/server systems, this is on the server and
applies globally for all clients (central user administration).
Recommended settings
In order to set the settings, the Password monitoring by viva check
box must be activated in the Security settings dialog window on the
Login/Password protection tab. The following conditions will then be
complied with:
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2.2.2 Logging in
2 General program functions
￭ A login with user name and password is required each time the
program is started.
￭ User names must be unique. Users entered once cannot be deleted.
￭ Passwords must be unique for each user. None of the expired pass-
words already used once by the user may be reused.
￭ Passwords must be changed after a defined validity period.
￭ The number of login attempts is limited. If this number is exceeded,
the user will automatically be set to the status inactive.
Actions
If the login is activated, the following actions can be performed:
￭ Logging in at program start
￭ Logging out manually
￭ Logging out automatically
￭ Changing password
Program parts: Workplace / Database / Method / Configuration
If both of the options Enforce login with user name and Enforce
login with password are activated in the Security settings, the Login
dialog window will appear each time the program is started and after
each time a user logs out.
User
Password
[Change password]
Entry of a short name for the user.
Entry 24 characters
Entry of the password.
Entry 24 characters
NOTE
Users who log in for the first time or users whose status has been reset
from disabled or removed back to enabled must log in with the
Start password (see Chapter 6.2.1.3, page 630) specified by the
administrator. Afterwards, the Change password window, in which a
new password needs to be entered, will open automatically.
Opens the Change password window, in which the new password
needs to be entered and confirmed.
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2.2 Login / password protection
[Cancel]
The login is canceled and the program is terminated.
2.2.3 Logging out manually
Menu item: Workplace / Database / Method / Configuration ▶ File ▶ Logout
A logged-in user can log out at any time with the File ▶ Logout... menu
item. The logout options defined in the Security settings apply. After
the logout, the Login window appears, in which a new user can log in.
2.2.4 Logging out automatically
Program part: Configuration
If the automatic logout is activated in the Security settings, then the
user will be logged out automatically after a defined waiting time if no
operating functions have been performed in the meantime via keyboard
or mouse. Afterwards, the Login window opens, in which, however, only
the same user or the members of the same user group can log in again.
NOTE
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Users with administrator rights can always log in; an emergency stop is
also possible.
2.2.5 Changing the password
Dialog window: Login ▶ [Change password] ▶ Change password
NOTE
In viva, the password can only be changed if the option Password
monitoring by viva is set in the Security settings.
[Change password]
This button in the Login dialog window opens the Change password
window, in which the new password needs to be entered and confirmed.
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Old password
New password
2 General program functions
NOTE
The password always needs to be changed before the Passwords
expire every period of the password expires. For users who are log-
ging in for the first time or whose status has been reset from disabled
or removed back to enabled, this window is automatically opened
after logging in with the Start password. Here you also need to enter
the Start password assigned by the administrator for Old password.
Entry of the previous password.
Entry 24 characters
Entry of the new password. The password options are defined in the
Security settings on the Login/Password protection tab.
Entry 24 characters
Confirm password
Confirmation of the new password.
Entry 24 characters
2.3 Formula editor
The formula editor serves as a support when entering formulas for result
calculation. It has an automatic syntax check, which is activated when
the formula is applied. The general rules of priority apply for the calculation operations.
The Formula editor dialog window contains the following elements:
￭ Input field
Entry of the calculation formula (see Chapter 2.3.1, page 14).
￭ Buttons
Buttons for the quick entry of operators, parentheses and brackets (see
Chapter 2.3.1, page 14).
￭ Variables
Selection of the variables available for the calculation formula (see
Chapter 2.3.3, page 16).
￭ Operators/Functions
Selection of the operators and functions available for the calculation
formula (see Chapter 2.3.4, page 33).
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2.3 Formula editor
2.3.1 Input field
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￭ Description
Description of the selected variables, operators or functions.
Dialog window: Formula editor
The calculation formula is entered in the input field of the formula editor.
The following options are available for the entry:
Entry via keyboard
￭ Numbers
Numbers as well as mathematical functions can be entered directly via
the keyboard.
￭ Text
Text must be enclosed in quotation marks " (e.g., "my text").
￭ Variables
Variables must be entered and ended with an apostrophe ' (e.g.,
'MV.my variable').
￭ Time
Time indications must always be made with the aid of the Time( )
function.
Entry using the buttons
Mathematical operators and parentheses or brackets can simply be inserted in the formula using the corresponding buttons. A space is automatically inserted before and after the character.
Addition
Equal to Logical AND
Subtraction Greater than Logical OR
Multiplication Less than
Round parentheses
Division Not equal to
Curly brackets: Request values
of variables with index; the
index is in curly brackets
Potentiation Less than or equal
Molar mass calculator
to
Greater than or
Undo last action
equal to
Redo last action
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Entry via selection
The element selected in the Variables or Operators fields can be added
to the formula by double-clicking or with [Insert].
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2.3.2 Calculation algorithms
Dialog window: Formula editor
Numerical format
The IEEE 754 (1985) standard for binary floating-point arithmetic is implemented in "double precision" (64 Bit) in the software.
Rounding-off process
Measured values and results are rounded off symmetrically (commercial
rounding), i.e., 1, 2, 3, 4 are always rounded down whereas 5, 6, 7, 8,
9 are always rounded up.
Examples
2.33 yields 2.3
2.35 yields 2.4
2.47 yields 2.5
-2.38 yields -2.4
2 General program functions
-2.45 yields -2.5
Statistics
The mean value as well as the absolute and relative standard deviation of
results R are calculated using the following formulas:
Mean value
Absolute standard
deviation
Relative standard deviation (in %)
The statistical calculations of the software have been implemented so that
they can be checked to as great a degree as possible by the user. The individual values are therefore incorporated in the statistics with full accuracy.
viva 1.0
It is not the number of decimal places which is decisive for the accuracy of
the calculations, but rather the number of significant digits of the decimal
numbers displayed. The binary 64-bit numerical format implemented on
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2.3 Formula editor
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the basis of the IEEE 754 standard means that the decimal numerals
resulting from this have 15 reliable significant decimal places.
You can influence the number of significant digits by selecting the unit
and the number of decimal places. As the result unit to be set sometimes
contains the prefix "milli" as well as the actual physical unit, the number of
significant places changes accordingly by three places during such a conversion.
Example
The displayed result of 1,234.56789158763 mg/L has 15 reliable digits.
It should be rounded off to three decimal places according to the above
rounding-off process:
1,234.568 mg/L (7 significant places, 3 of them decimal places)
The unit "g/L" means that the same result 1.23456789158763 g/L is
also rounded off to three decimal places:
1.235 g/L (4 significant places, 3 of them decimal places)
The number of significant digits has now been reduced by three to four
digits by omitting the prefix "milli".
2.3.3 Variables
2.3.3.1
Name
Variables - Overview
Syntax Description
NOTE
The above losses with respect to accuracy caused by rounding off in the
range of the maximum reliable places are only theoretically relevant.
Most of the time they are lower by several orders of magnitude than,
for example, the uncertainties resulting from sample size.
Dialog window: Formula editor
Variables are automatically generated by the program during or at the end
of the determination. You can use the formula editor to access these and
either use the values for further calculations or output them in reports as a
result.
Variable types
The following types of variables are differentiated:
Sample data variables
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16
'SD.Variable
name.Variable identification'
Sample data variables contain all of the sample data of the determination.
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Name Syntax Description
2 General program functions
Command variables
Automatically
calculated result
variables
User-defined
result variables
Determination
variables
System variables 'SV.Variable identifica-
Common variables
Global variables 'GV.Variable
'Command name.Variable name'
'RS.Result name.Variable identification'
'RS.Result name.Variable identification'
'DV.Variable identification'
tion'
'CV.Variable
name.Variable identification'
name.Variable identification'
Entering variables
Variables must always be entered with an apostrophe ' at the beginning
and at the end (e.g., 'DV.DUR').
Command variables are variables which are generated by the individual commands in the method run. The command variables are
displayed in the order determined by the commands executed in
the method run.
Automatically calculated result variables are automatically generated by the program during the evaluation.
User-defined result variables are generated from the results defined
by the user.
Determination variables are general variables and cannot be
assigned to individual commands.
System variables are general variables which are adopted in the
determination at the start of the determination.
Common variables are client-specific variables, which are adopted
from the table of the Configuration program part at the start of
the determination and assigned to the determination.
Global variables apply to all clients and are adopted from the table
of the Configuration program part at the start of the determination and assigned to the determination.
NOTE
When using variables, always observe their data type (Number, Text
or Date/Time).
Variations and replications
Because of the fact that in voltammetry all data is saved in a single data
set when working without solution exchanges, all of the result variables
belonging to one voltammogram are clearly distinguished by an index X
for the Variations and another index Y for the Replications.
Variation refers to a measurement after modification of the measuring
solution, e.g., after a standard solution has been added.
Replication refers to an identical repetition of a measurement.
The following rules apply for this:
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2.3 Formula editor
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￭ Variation index only after the measuring command has been
called up with CALL VA
A variation index is attributed only to those peak evaluation results for
which the measuring command has been called up by a CALL VA call
command.
￭ Increasing the variation index with ADD STD
The results of the peak evaluation of a measuring command are
assigned a variation index, which is increased with the corresponding
ADD STD or ADD SAMPLE DT command.
￭ Increasing the replication index with loops or several measur-
ing cycles
The results of the peak evaluation of a measuring command are
assigned a replication index, which is increased with repetitions
because of loops (LOOP command) around a measuring command or
because of several measuring cycles within one CVS command.
￭ Both indices begin with 1
Variation index and replication index both start with 1.
￭ Increasing the variation index sets the replication index to 1
Increasing the variation index automatically causes the replication index
to be reset to 1.
￭ Increasing the variation index only if the previously added
solution contains at least one substance to be determined
When an ADD STD command is run through, the substances contained in the solution are identified on the basis of the name of the
standard solution in the standards table. The respective measuring
command is subsequently determined in the table of substances and
the variation index is increased by 1 when this measuring command is
run through.
￭ Increasing the variation index only once if two substances are
added to two separate solutions
If two substances are added to two different solutions with two different ADD STD-type commands and detected in the same measuring
command, then the variation index is increased only once for this measuring command.
￭ Increasing the variation index for all measuring commands
when the same substance is added
If a standard solution containing a substance that is to be determined
in different measuring commands is added using the ADD STD command, then the variation index for this substance is increased in all
measuring commands.
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