Abstract
Purpose of this article is to demonstrate the features of the use of existing connection interfaces for the functioning of climate control systems of agricultural complexes. The article contains the author's classification of the characteristics of the connection interfaces. The two most suitable interfaces are considered. The article compares RS-485 and CAN protocols. Key differences between CAN and RS-485 for use in agricultural complexes are shown. A test sample of a system containing 3 sensors was presented.
Highlights
According to statistics, 4 billion people in the world (56%) live in cities [1]
Greenhouse complexes are being built near major cities to compensate for food losses and reduce the cost of supplies
The optimum temperature for plants is maintained by a climate control system that includes a heating system, humidifiers, lamps and air condition sensors
Summary
4 billion people in the world (56%) live in cities [1]. A person consumes 1.5 kg of food per day. The total daily food intake reaches 6 million tons. Greenhouse complexes are being built near major cities to compensate for food losses and reduce the cost of supplies. Year-round greenhouses create the ability to supply daily crops to consumer and silage grass to livestock farms. Plants need an optimal range of climatic conditions to maximize their yield. Yield conditions are temperatures above 14 C and illumination of at least 8 hours a day for most light-loving plants [2]. The optimum temperature for plants is maintained by a climate control system that includes a heating system, humidifiers, lamps and air condition sensors. All elements of the climate control system are connected to each other via an interface
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