ЗАХИЩЕНІ КАБЕЛЬНІ ІНТЕРФЕЙСИ СЕНСОРНИХ МЕРЕЖ ІНТЕРНЕТУ РЕЧЕЙ.

The principles of construction and parameters of sensor network interfaces are characterized, which are characterized by a large number of sensors and a considerable distance of information transmission to the central point or server. The majority of sensors on the Internet of Things system have little performance. In this case, the sensor network requires protection against interference and interference. Only cable networks are eligible for this group of sensor networks. Sensor networks are most suitable for cable industrial networks. The analysis and comparison of industrial cable network interfaces shows that the most appropriate requirements are the RS-485 interface and its derivative interfaces. All industrial network cable interfaces are very good at satisfying one requirement and not meeting the other. Passive fiber optic network is the most satisfying. It is convenient to use passive fiber optic (PON) technologies to build such a network. There are currently quite a number of passive fiber splitter technologies that can be used to create a multipoint trunk or ring passive fiber optic network. Networks with fiber-optic encoders, which also have a large number for measuring different physical parameters, are very convenient and efficient. For the exchange of information in these networks, it is convenient to use the 1- wire interface protocol, which is supplemented by the use of frequency signals. Such networks will be lightweight and compact over time on moving objects and in hazardous conditions. The materials of the article are of interest for carrying out the educational process in universities, in particular at the Kyiv University named after B. Grinchenko.

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