20612-1

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20612-1 Application Field and Working Principle

The 20612-1 is a common standard for communicable networks, used in different fields, from small applications, such as in home appliances, to more complex scenarios, such as in the automotive industry or in factory automation. This standard, developed by the Technical Committee TC 206/212 and approved by the International Standardization Organization (ISO), is the official global standard for communication fields.

Main application fields

The 20612-1 standard is commonly used in small and medium-scale applications, such as in home appliances, consumer electronics or in industrial automation One of the main advantages of this standardized communication protocol is that it is easy to apply in multiple application scenarios. For example, it is frequently used in home security systems, home climate control units, automotive systems, industrial controllers, robotics and even building automation. This allows users to run processes over different types of equipment with the same communication protocol, an advantageous aspect in an industrial context.

General working principle

In general, the 20612-1 follows a Client-Server architecture, in which one device is designated as a server and all the other ones as clients. Each participant must connect to the bus in order to start the communication; the server will transmit its address & an acknowledgment to all the clients, and then the clients will acknowledge the server. After that, each client must transmit its name and address to the server.

When this initial procedure is accomplished, communication can start. The server will send messages (usually messages with information about input or output data and how it should interact with its environment) to all the other clients. The clients can then interact with the external environment, based on the information sent by the server. When the task is accomplished, the server will send a final acknowledgment message indicating the success or failure of the operation.

In summary, once a reference point is established, 20612-1 works by having a central server sending instructions to its client base. This is a common architecture used in many applications; the key benefit of using this standard is the wide adoption allowed by following a common protocol.

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