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OPC Data Logger Release Notes

The latest version of OPC Data Logger can be downloaded here.

Version 4.1.0.1 (May 19th, 2025)

  • Updated documentation for importing CSV tag list from TOP Server & KEPServer
  • Resolved a licensing issue resulting in a "Clock has been tampered" error message
  • Fixed an issue with configuration file holding previous entries no longer referenced
  • Various fixes to the UI

Version 4.1.0.0 (February 11th, 2025)

  • *NEW* Hardware Key Support Added
  • *NEW* CSV Tag Import Directly from TOP Server/KEPServerEX Format
  • *NEW* Improved interface for Scheduled Trigger selection & management
  • Upgraded OPC UA Library
  • Fixed an issue with SQL tables containing special characters in column headers.
  • Resolved a bug affecting Access database data storage after project re-opening.
  • Boolean tags set to string/object variable types in DB default to logging the string format of "False/True" instead of "0/1"
  • Various updates and additions to the Help file documentation

Version 4.0.0.9 (October 14th, 2024)

  • *NEW* Custom UTC Time Stamp format added for File Spanning names
  • Improved documentation of the License Support End Date in the OPC Data Logger About window.
  • Fixed a bug with SQL Native Driver Stored Procedure displaying RETURN_Value rather than ITEM ID as an auto fill option. 
  • Resolved an issue with OPC Data Logger logging to SQL tables with column names containing spaces. 

Version 4.0.0.8 (August 28th, 2024)

  • *NEW* Custom Time Formats added to File Spanning Naming Options and improved UI for removing custom formats
  • *NEW* Table Generator allows UserDefinedNames to be automatically used for creating Column Names
  • Resolved an issue with trigger items not starting logging if the arguments were already true during startup of the application
  • Fixed a bug with Oracle Driver service name changes causing a project to fail when opening
  • Improved Stored Procedure interactions with the SQL Native Driver
  • Resolved an issue with OPC Data Logger handling table queries in Azure SQL Databases

Version 4.0.0.7 (June 27th, 2024)

  • *NEW* Automatically add OPC UA Browse Names for Tags in the User Defined Field
  • *NEW* Option to enable or disable items in the configuration directly from the tree
  • Resolved an issue with Writebacks for OPC UA items removing the required identifier string
  • Fixed an issue where headers were removed during multiple spanning events 
  • Reworked the Unhandled Exception display to no longer ask for emailing directly; users may now copy the full error message to clipboard
  • Improved the handling of independent data storage errors from stopping the entire service

Version 4.0.0.6 (May 13th, 2024)

  • *NEW* Updated MySQL Native Driver to the latest version
  • Resolved an issue for OPC UA browsing failing to add items from specific device-enabled UA servers
  • Reworked handling of pooled connections
  • Fixed an issue where creating a new group outside the wizard would return an error

Version 4.0.0.5 (March 13th, 2024)

  • *NEW* User-Defined names can be inherited from groups into Table Presentations
  • *NEW* Ability to add additional Timestamp fields into Table Presentations
  • Improved CSV Import for tags into groups for large files
  • Resolved issues related to Stored Procedure usage for the SQL Server native driver

Version 4.0.0.4 (October 30th, 2023)

  • *NEW* Supplemental documentation on using writebacks with Stored Procedures available in the help-file
  • Fixed an issue with file spanning not triggering after a new version was installed
  • Account log-on information for OPC Data Logger service is now preserved after installing updates
  • Resolved an issue with time interval selection under group properties resetting after opening the group

Version 4.0.0.3 (September 18th, 2023)

  • *NEW* Add support for OPC UA Complex Data Structures
  • Optimizes CSV Imports for lager tag lists being added to groups
  • Improvement to UI when adding new items to a group, allows users to refresh table presentation mode to reflect changes
  • Various updates to documentation and UI

Version 4.0.0.2 (August 3rd, 2023)

  • *NEW* Add custom time formats with Format String input
  • Improvements to Store and Forward timestamps after playback of data
  • Resolved issue with OPC UA browsing nodes with large flat hierarchies
  • Improvement to UI updating with new items added directly from a dialog box

Version 4.0.0.1 (May 27th, 2023)

  • *NEW* Customizable file location for Store and Forward local buffer
  • *NEW* Detailed tracing for Store and Forward Events
  • *NEW* Added support for latest OPC UA Security Polices Aes128Sha256RsaOaep and Aes256Sha256RsaPss
  • *NEW* Event Log tracing for OPC UA Revised Update Rates
  • Resolved issued with Store and Forward placing items in the wrong order after Data Storage was reconnected
  • Resolved issue with licensing being removed when uninstalling the product

Version 4.0.0.0 (February 13th, 2023)

  • *NEW* Custom rearrangement of Tree view items to organize components in your project. 
  • *NEW* Support for Windows 11 and Windows Server 2022 operating systems.
  • Improvements to dialog boxes appearing when no changes have occurred
  • Resolved issue with file spanning interaction with Overwrite Existing Files enabled 
  • Resolved issue when multiple monitored items are set to the same tag and returned invalid handle error once the logging task was complete

Version 3.8.0.8 (June 13th, 2022)

  • *NEW* Allow files to be spanned based on Record Count and File Size.
  • *NEW* Timestamp can now be disabled or enabled in the Table Presentation Mode.
  • *NEW* Allow items from the tree view to be duplicated
  • User defined names are now preserved when importing tags from CSV
  • Added Time and Date formats for Spanned files

Version 3.8.0.7 (March 16th, 2022)

  • Resolved an issue where Group Update Rate would not maintain set value. 
  • Resolved an issue where OPC Data Logger could not map an attribute type "DataTypeEnum" to Field Type "System.Enum" when running MySQL.
  • Improved Monitored Trigger Items Functionality. Trigger Items, with different set conditions, can now point to 1 tag in server without issue. 
  • *NEW* Allow users to manually enter program ID when connecting to DA Server.
  • Added Licensing Trace Switches that log license diagnostics to event log. 

Version 3.8.0.6 (January 7th, 2022)

  • *NEW* Store and Forward feature
  • Added ability to log the OPC UA Source Timestamp
  • Internal OPC UA Optimizations
  • Internal MySQL Optimizations
  • Expanded Store Procedure Functionality to access Output Parameters

Version 3.8.0.2 (November 6th, 2020)

  • Resolved an issue where OPC Data Logger does not set up SecureChannel with Public OPC UA Test Server.
  • Added the ability to Prevent Trigger from Reading Initial Value. 
  • Each Monitored Item now has it's own subscription rate configurable.
  • Add "Add new Trigger" option to any trigger selection menu.
  • Temporary Licenses now shows correct Expiration Date.
  • Temporary License no longer limited by installation date

Version 3.8.0.1 (August 25th, 2020)

  • Improved browsing of OPC UA Servers with non-standard node items

Version 3.8.0.0 (July 17th, 2020)

  • Simplified the OPC Data Logger licensing model to allow for a more intuitive user experience
  • Improved license stability for virtual environments
  • Various UI changes that further improve product usability
  • Confirmed compatibility with the latest release of Windows 10

Version 3.7.0.4 (January 24th, 2020)

  • Resolved an issue where OPC Data Logger might not use the correct column names when logging to SQL in rare situations where the column name made up a part of the OPC Item name
  • Resolved an issue where the OPC Data Logger might crash when attempting to create a Scheduled Trigger

Version 3.7.0.3 (December 4th, 2019)

  • Improved the OPC Data Logger performance when working with databases. Values are now logged to the database in a single transaction if the OPC Data Logger receives them from the OPC Server as a single transaction.
  • New feature for database keep-alives to improve the resiliency and reliability when logging to a database. In rare occasions it was observed that a firewall could terminate a connection between the OPC Data Logger and a Database if data inserts were extremely infrequent. This could result in data loss if the database rejected subsequent connection attempts from the OPC Data Logger. This new feature allows for periodic queries to be configured, preventing the connecting from sitting idle.
  • Improved on the column naming schema when letting OPC Data Logger generate the database table. Item names can now be used instead of Tag1, Tag2, Tag3, Tag4, etc.

Version 3.7.0.2 (September 30th, 2019)

  • Fixed an issue where the OPC Data Logger ignored the FormatString field when logging a timestamp to MySQL
  • Added a default project file path for OPC Data Logger configurations
  • New Feature allows data insert retries to be configurable. This allows the OPC Data Logger to clear the data buffer after a certain number of retries if data inserts are failing.

Version 3.7.0.1 (August 2nd, 2019)

  • New Feature that allows the OPC Data Logger to only log a single file header to Text/CSV file formats (look for this setting on the Header tab of the Text Storage Settings)
  • Fixed an item import issue that could occur when importing OPC Tag CSV Files from certain OPC Servers
  • Added improved spanning capabilities to the Text/CSV Data Storage - to allow file spanning to include seconds and/or milliseconds in the file name, and to allow file spanning names to use a 24 hour time format
  • Added Operating System support for Windows Server 2019

Version 3.7.0.0 (July 5th, 2019)

  • Added support for MySQL version 8 installations
  • Improved behavior when working with MySQL stored procedures, can now map to SPROC input parameters regardless of how the procedure is written
  • Added support for MySQL SHA256 Password encryption for maximum security
  • Updated .NET Framework and OPC binaries to take advantage of a number of enhancements, bug fixes, and performance improvements in the toolkits.

Version 3.6.0.14 (April 10th, 2019)

  • Improved the behavior when browsing complex OPC UA Objects. OPC Data Logger is now able to browse, add, and log items in a complex OPC UA object.

Version 3.6.0.13 (March 15th, 2019)

  • Dramatically Improved the OPC Data Logger OPC UA Endpoint discovery mechanism when working with OPC UA Servers.
  • Fixed an issue where OPC Data Logger might not fire a Monitored Item Trigger when the Data Source for that trigger is coming from an OPC UA Server
  • Added the ability for the OPC Data Logger to browse complex OPC UA Objects (structures, UDTs, etc) and select the sub-nodes/elements for logging
  • Modified the default timestamp format for CSV/Text file loggers to use a 24 hour time format for improved usability with Microsoft Excel

Version 3.6.0.12 (January 21st, 2019)

  • Resolved an issue that could cause the OPC Data Logger to crash when queued values were en-queued for logging.

Version 3.6.0.11 December 27th, 2018)

  • Expanded the capabilities of the OPC Data Logger to monitor OPC UA connection health via the Data Logger event log

Version 3.6.0.10 (September 5th, 2018)

  • Fixed an issue where OPC Data Logger might not start if OPC UA DLLs were not selected for installation

Version 3.6.0.9 (August 24th, 2018)

  • Fixed an issue where OPC Data Logger might attempt connecting to an invalid OPC UA endpoint when configured to automatically determine the endpoint
  • Updated the OPC UA interface version
  • Fixed an issue where non-stop errors were thrown to the OPC Data Logger event log when attempting to read a tag from a disconnected device, downstream of a OPC UA Data Collector
  • Added the ability to automatically create and log data to tables in an Azure hosted SQL Database

Version 3.6.0.8 (May 24th, 2018)

  • Improved Certificate handling when connecting to an OPC UA Server, the certificate of which is not trusted
  • Fixed an issue where the Reconnect Interval was not maintained over setting changes to the logging group
  • Improved error reporting when the OPC Data Logger fails to add an item to an OPC Server
  • Added new format to log floating point values in exponential notation
  • Added new format to log floating point values with a fixed field count after the decimal
  • Improved OPC UA interoperability. OPC Data Logger is now able to ignore invalid items in a log group and continue logging other items.

Version 3.6.0.7 (February 3rd, 2018)

  • Fixed an issue where OPC UA Quality Status Codes were not logged correctly. Added ability to log UA Status Codes as descriptive string, hex string, and integer
  • Improved OPC DA interoperability. OPC Data Logger is now able to ignore invalid items in a log group and log all other items.

Version 3.6.0.6 (December 6th, 2017)

  • Added a powerful new feature in that the OPC UA interface to allow logging of queued OPC UA Server. In systems where the sample rate is lower than the publish interval - this makes sure that no data loss can occur.

Version 3.6.0.4 (November 10th, 2017)

  • Fixed an issue where the OPC Data Logger would not reconnect to an OPC UA Server if the server was rebooted or the connection was interrupted 

Version 3.6.0.3 (October 6th, 2017)

  • Fixed an issue with SQL logging where an exception could be thrown when attempting to connect to a SQL Server that was not available on the network (either because of network issues or because the IP/Server name had been mistyped)

Version 3.6.0.2 (July 5th, 2017)

  • Fixed install issue on non-English Operating Systems where OPC Data Logger plug-ins might not load successfully.

Version 3.6.0.1 (May 19th, 2017)

  • Fixed issue where description Field is not Logged when using an UA Collector
  • Fixed OPC Data Logger Memory Leak
  • Fixed Duplicate Logging issue where OPC Data Logger logs data twice when trigger   fires (Scheduler Trigger or Recurring Trigger).
  • Improved error messages when using OPC UA Collectors when improper login credentials were provided for the connection authentication
  • Fixed the item selection filters
  • Improved Certificate Exchange Behavior when None Security Used
  • Improved the OPC Data Logger exception reporting dialog to allow users to report errors directly to Software Toolbox Support
  • Fixed Data Logger error handling when a device disconnected and we are using an OPC UA subscription
  • Improved how we search for computers on the Network when opening Collector Properties
  • Prompts the user to automatically modify the Firewall to open ports 8148/8080 locally as an option during Install
  • Allows non-normalized values to be logged as null or 0