In this scientific article, a SCADA system for continuous monitoring of temperature in temporary storage bunts of cotton was developed. The system was designed using 24-bit Programmable Logic Controllers (PLC) and Thermocouple Sensors (TS), as well as Analog Digital Converters (ADC). The main objectives of the project in the article are: (a) Formatting of signals from thermocouple sensors (TS), development of a method of ratiometric change of the sensor; (b) Programmable logic controllers and signal routing, system protection; (c) Designing programmable logic controllers, as well as developing and creating a sensor-PLC module for measuring temperature and sending signals to PLC.