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There are different opinions on advantage or uselessness of SCADA. One experts consider as its big mistake, others ---great break in the field of automation and information of management.
As often happens in a life - SCADA simply bear lacks inherent events to the focused operational systems (both commercial and opened), and also technologies such as COM, DCOM, OLE and etc. At the same time any SCADA lives inside already become habitual environment of PC operational system.
Essential advantage SCADA of systems is their universal availability to people of not having experience of system engineering of automation.
It is difficult to overestimate prospects SCADA in educational processes. The interface any SCADA systems simultaneously is the unique manual beginning from web design and finishing programming. Ease of development for development of real projects beginning from systems of industrial automation and finishing light illumination of garlands cannot go neither to any comparison nor with one environment of development.
The main condition of viability of concept SCADA is presence of the general denominator in the form of technology OPC, and also presence of independent authoritative organization OPC-foundation. Organic communication any SCADA with Internet and mobile phones also can is essential change (and changes) the world of industrial production.
Existing in market SCADA while remain dear enough products, however the tendency of reduction of price as a result first of all a competition in the close and quickly growing market of automation already was outlined.
As acknowledgement of the sounded theses by the author from a zero level control systems of system of illumination, and also batching and the account of finished goods have been developed. The given classes of industrial problems are chosen not casually as are not critical by way of real time. Real projects on a demo versions of various environments of development SCADA have been developed some.
In the long term even greater break if there will be a number of worthy products from camp Open Source of developers sees. It already became an axiom, that presence on IT the market of two forms of licensing leads to sharp improvement of quality of an end-product at simultaneous reduction of price. As examples it is possible to result the market of operational systems and control systems of databases.
Indirect attributes of it exist already now:
SCADA becomes nominal concept (very few people from developers can recollect that it System Control And Data Aquisition);
Systems of computer mathematics (similar Matlab) have started to include in structure OPC tools;
The championships on high-speed assembly SCADA of systems are already spent (it already in п©п╬п╩я┬п╟пЁп╣ from SCADA community or SCADA fan clubs).
However time does not like to wait especially REAL TIME!