231920-2

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231920-2 is the international standard developed by the International Electro technical Commission (IEC), which is used in many different industries for a variety of applications. This particular standard specifies requirements for digital systems which support or control functions in a variety of industrial applications. The purpose of this standard is to ensure that digital systems are designed and built according to the same international and national standards, for better reliability and safety.

The 231920-2 standard defines how digital systems, and their components, are constructed and tested to be compatible with each other. The standard defines the assurance levels, system requirements, and assurance techniques for digital systems. It also defines the system architecture, hardware, software, and communications elements, and how they interact with each other.

The most common application for 231920-2 is in industrial control systems. Control systems regulate the production process in factories and other industrial facilities. They often use digital systems for coordinating the machinery, sensors, and other hardware components that are involved in controlling the process. The 231920-2 standard ensures that all components are compatible and work together correctly, improving the reliability and safety of these control systems.

Another common application of 231920-2 is in distributed systems, which are used in a variety of different industries. Distributed systems are networks of connected computers or other devices that share information and resources. The 231920-2 standard ensures that data is exchanged between computers in a consistent and secure fashion. This helps to improve the reliability and safety of distributed systems.

The 231920-2 standard can also be used in building automation and security systems. This particular application ensures that both hardware and software components are compatible with each other, and that the system is secure from unauthorized access. This increases the reliability and security of the system, ensuring that sensitive data remains protected.

The working principle behind the 231920-2 standard is the same for all applications. It specifies the requirements and verification techniques that need to be performed in order to ensure that the system is safe and reliable. This includes defining the assurance levels, system requirements, and assurance techniques for digital systems.

The assurance levels define various tests and checks that need to be made. This includes testing the system architecture, hardware, software, and communication elements, as well as validating that data is exchanged between components in a consistent and secure manner. The system requirements define the minimum criteria that need to be met in order for the system to be considered reliable and secure.

Finally, the assurance techniques define the methods used to evaluate and verify the system. This includes testing the system under various conditions, such as in different environmental conditions, or when there are changes in the system architecture or components. The assurance techniques also involve simulating system failures, to ensure the system is robust enough to handle any unexpected conditions.

In summary, 231920-2 is a powerful international standard used in a variety of applications and industries. It is used to ensure that digital systems are designed and built according to the same standards, for increased reliability and safety. The 231920-2 standard requires that digital systems meet certain assurance levels, system requirements, and assurance techniques, in order to ensure the system is secure and reliable.

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