174475-2

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174475-2 application field and working principle

174475-2, also known as IEC 61158-2, is an international standard which deals with the communication technology called Fieldbus. The standard was established by the International Electrotechnical Commission (IEC) to promote global interoperability, ensuring reliable communication between sensing, measuring, and control devices. This technology is used in a wide range of applications, from small scale to large scale automation systems, and is designed to reduce wiring, simplify operation, reduce maintenance time, and increase safety.

The Fieldbus technology is based on a hierarchical communication structure, in which each device is connected to a bus. The devices communicate in a master-slave configuration, with the master being the controller and the slaves being the devices. The master sends out requests for data to the slaves, which respond by sending back the requested information. Each transaction is monitored for accuracy and integrity by a special error detection and correction logic, ensuring that no faulty information is transmitted.

Fieldbus is particularly useful when dealing with distributed systems, as it allows a single network to contain multiple types of devices, allowing more efficient operation. In addition, it can be used in both hazardous and non-hazardous environments, as the communication protocol is designed to be both robust and secure. This makes it an ideal technology for use in many different types of industrial applications.

Fieldbus technology has been successfully applied to a wide variety of industries, including petrochemical, mining, automotive, aerospace, food processing, and manufacturing. It is particularly useful in applications where distributed control and safety is required, such as for process control, energy management systems, or high-speed robotics. It can also be used to create a standard communication interface for sensors, instruments, and other industrial devices.

The IEC 61158-2 standard covers a range of different aspects of the technology, including network architecture, types of connections, communication protocols, data transmission formats, and host programming languages. It also covers safety measures to protect both personnel and equipment, and security protocols to protect the integrity of data. By following the standard, manufacturers can ensure that their Fieldbus systems are compatible with each other, making it easier to integrate different systems and reduce the cost of engineering.

In conclusion, the IEC 61158-2 standard provides a framework for Fieldbus technology, ensuring compatibility between various systems, devices, and vendors. This makes it ideal for use in many applications, from small-scale industrial automation projects to large scale distributed solutions.

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