176472-2

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176472-2 is a standard specified by the International Electrotechnical Commission. It is commonly known as the “industrial automation systems and integration Part 2 – fieldbus specific requirements - protocol services and communication profiles”. In other words, it is an international standard applicable to industrial automation communication and services.

One of the key features of 176472-2 is that it can enable devices from different vendors to interconnect and communicate. This is done via a single, unified communication system known as Industrial Ethernet. Using this system, devices can communicate over a range of systems such as Profinet, Ethernet/IP, and ControlNet. By doing so, these devices are able to exchange data, provide real-time information, control processes, synchronize systems, and improve overall production efficiency. This standard is widely used in industries such as automotive, energy and oil and gas.

The working principle behind 176472-2 is based on the concept of a Fieldbus. This is essentially a network that connects multiple components, such as sensors and actuators, input / output (I/O) modules, and programmable logic controllers (PLCs). The Fieldbus acts as a medium that allows different components to communicate with each other, and thus exchange data. This is done by employing a combination of two organizational layers: the Application Layer and the Data Link Layer.

The Application Layer is responsible for providing the necessary functions that enable communication, such as the addressing, transportation, flow control, segmentation/reassembly, formatting and error detection/correction. On the other hand, the Data Link Layer is responsible for providing reliable and secure data transfer, and integrity control. By relying on these layers, 176472-2 makes it possible to connect multiple types of devices and to coordinate their activities.

176472-2 also defines a number of specific communication profiles that allow devices to interoperate. These profiles provide instructions on how devices should communicate, such as which timing parameters should be used, what type of data should be exchanged, and which fault detection/correction methods should be employed. By following these profiles, vendors can guarantee that their devices are compatible with the 176472-2 standard.

In summary, 176472-2 is a widely used international standard that enables interoperability between devices from multiple vendors. It works by relying on a two-layer architecture (Application and Data Link) and a range of communication profiles, all of which can provide reliable, secure, and efficient communication between connected devices.

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