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OpenSCADA 0.8.0 LTS


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Introduction

The release of an open SCADA (Supervisory control and data acquisition) system of version 0.8.0 is the stable industrial release with the long term support (LTS).


The main purpose of this release is providing the community of users and developers of free software with the platform for the solutions of complex automation systems and related solutions, as well as providing commercial services on the basis of the OpenSCADA project.


This release is the next stable release, for which technical support is available from the developers and for which it is planned to release fixes during a long time. The life cycle of the previous stable release 0.7.0 LTS will be terminated within one month after the 0.8.0 release by the latest update.


This document is the processing (compilation) of <ChangeLog> document of the OpenSCADA system version 0.8.0, including the intermediate working releases 0.7.1 and 0.7.2, which is designed to cover brief and clear the new features of the OpenSCADA system. To get acquainted with all the changes in the OpenSCADA system it is possible in the file ChangeLog from the distribution kit of the system, or here (RU): http://wiki.oscada.org/Works/ChangeLog.


The key features of this version are:


New and updated modules:

1 Implementation of planned tasks

In accordance with the plane of the release there were made the following tasks:

2 Optimization, stability, sustainability and system performance increasing

Since the latest stable release during the work on this version, as well as during its practical adaptation, it was discovered and corrected in a total of about 300 errors. In general, the work on cleaning code from the compiler's warnings with the "-Wall" flag has been done:


Lets list the most significant errors the correction of which significantly affected the increasing of stability:


Optimization and performance improvement :

3 Improvement and stabilization of the graphics subsystem

The notable work was made within the graphics system, namely in the VCA engine modules UI.VCAEngine, visualizers UI.Vision and UI.WebVision, as well as in the configurators. The changes were provided for stabilization, the optimization of memory consumption and improvement of user's properties.


Improvements of the graphics subsystem:

4 Formation, expansion and stabilization of the user programming API

It was continued the development of object API of the user programming, which provides the integration of user's functions in the object's tree of OpenSCADA. In addition, a number of changes were made to the existing library of the user's API functions.


In particular the following changes were made:

5 System-wide extensions

There have been made the significant changes and extensions to the system-wide API of the OpenSCADA system with the purpose of the general stabilization and in view of the general measures for cleaning the source code and reorganizing the sources' tree:

6 Publication of OpenSCADA solutions

During the work on this version the solutions, based on the OpenSCADA, have been presented at various conferences and exhibitions:

Conclusion

During the creation the new stable 0.8.0 release for industrial use with long-term support a lot of work to stabilize, enhance the functionality and adapt for running on the alternative hardware platforms (on the ARM architecture) is done. All this is in general make it possible to extend the sphere of OpenSCADA using on all levels of automation from the PLC, SCADA-systems server to the distributed visualization systems.


The following people took an active part in the appearance of the new industrial 0.8.0 version of the OpenSCADA system:


Further development efforts will be directed to the software multiplatform implementation, and expanding of functionality by creating new interfaces support modules, including the advanced development scheme, with the implementation costs distribution for the sold copies (for the modules, which interact with the commercial systems and interfaces). In order to implement a centralized distribution of solutions, services and enhancements based on OpenSCADA the creation of the store is planned within the main information OpenSCADA resource (http://oscada.org).

Links

Testing protocol of production release: http://wiki.oscada.org/Works/Tests/release080


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