1677618-3

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1677618-3, often referred to as Type 3, is an industrial wired communication protocol developed by the International Electrotechnical Commission (IEC) back in the late 1960s. This type of industrial protocol is most commonly used in factory automation and process automation applications. It utilizes a master/slave type of architecture, meaning that there is one device (the master) that initiates communications and then a set of other devices (slaves) which respond accordingly. In this article we will discuss the application fields and working principles of Type 3.

The primary application field in which Type 3 is used is in factory automation. Here it is used in a variety of different applications, such as robotic, vision systems, and programmable logic controllers (PLCs). One of the main advantages of using Type 3 in these applications is its great flexibility. This allows it to be used with a wide variety of different devices, from small sensors to large machines. It is also capable of handling large amounts of data relatively quickly, making it an ideal choice for large and complex systems.

Type 3 is also commonly used in process automation applications. In these applications, it is mainly used for automated control of process equipment, such as pumps, valves, and mixers. Since Type 3 is relatively robust and can handle large amounts of data quickly, it can be used to control complex machinery and processes accurately and reliably. It is also capable of handling a large number of different devices, allowing it to be used in a variety of applications.

The working principle of Type 3 is simple yet powerful. It uses a master/slave arrangement, in which the master device sends commands and the slave devices respond accordingly. The commands are sent over a cable, and the commands are then interpreted by the slave devices. The response from the slave device is then sent back to the master device, which in turn carries out the action requested by the command.

Type 3 also uses a variety of different types of communication techniques, such as polling, broadcasting, and dual-port communications. Polling is a technique in which the master device sends out a poll command to a slave device, which then responds with a response. Broadcasting is a technique in which the master broadcast a command to all connected slave devices, and each slave device responds accordingly. Dual-port communications is a technique in which data is transmitted simultaneously over two separate ports. This allows for more reliable and robust communication than the other communication techniques.

Overall, Type 3 is a powerful and reliable communication protocol that is used in a variety of application fields. It is capable of handling large amounts of data quickly and can be used to control complex machinery and processes reliably and accurately. It also provides a wide variety of communication techniques for the master device to use, allowing it to be used for a variety of applications. For these reasons, it is a popular choice in industrial automation applications.

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