A general-purpose computing platform and its use as a hardware


ISSN:  2776-1010 Volume 3, Issue 2, Feb, 2022  90



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6f.Баракаев Нусратилла Ражабович (ИЧКИ ЎРИНДОШ)

ISSN: 
2776-1010

Volume 3, Issue 2, Feb, 2022 


90 
• OS installed in hardware management systems has a long sales and support cycle. On average, based 
on data from various RTOS vendors, a full support cycle lasts about fifteen years since the last update 
was released. At the same time, full support with the provision of development tools and licenses lasts 
about ten years, then partial support is provided, which includes the transfer of critical updates and the 
availability of licenses limited in time. However, the use of RTOS in the frame of control systems also 
has its drawbacks, which include the following: 
• The cost of the control system must include the cost of the RTOS. 
• Compatibility of versions of software used in the control system is provided by the system developer. 
• Technical support for end users, including on issues related to RTOS operation, is provided by the 
manufacturer of the control system. This presupposes the availability of certified specialists responsible 
for the operation of the RTOS in the technical support department of the management system 
developer. 
 
Use of single interface for device interaction based on OPC UA technology
In the early 90’s of the last century, the idea of developing a universal communication toolkit for 
devices from different manufacturers, operating based on different industrial protocols, arose. In this 
regard, the OPC standard (English Open Platform Communications, formerly OLE for Process Control) 
arose. OPC technology provides developers of industrial automation applications with a universal 
interface for exchanging data with industrial devices that support this technology. Developers of 
industrial devices to support OPC technology implement a special application OPC-server, which acts 
as an intermediate link between technological equipment and external automation applications. Early 
solutions in the field of OPC technology were focused on working within the Windows OS (COM / 
DCOM, ActiveX, OLE, etc.), modern solutions are platform independent (OPC XML DA and OPC UA). 
To coordinate the development and support of OPC standards in 1994, the leading developers of 
automation tools created the international non-profit organization OPC Foundation [8]. 

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