Educational laboratory stand for the study of technical means of automation and the basics of control of technological processes

摘要

The utility model refers to educational equipment containing technical means related to the field of automation of technological processes and electronic computing technology, and can be used in higher and secondary specialized educational institutions for conducting practical and laboratory classes on the installation, commissioning and programming of automation equipment, studying the basics process control.;The technical result is to expand the functionality of the educational laboratory stand.;On the front side of the mounting panel of the laboratory stand there is a physical model of a technological object, a programmable logic controller, the RS-485 serial ports of which are connected for data exchange with similar serial ports of a discrete input / output module, an analog input module, an operator touch panel displaying technological parameters and providing input of control actions, the serial ports of the RS-485 controller are connected to the serial ports of the programmable relay, to the first analog input of which the temperature sensor built into the physical model is connected; there is a signal setting device on the mounting panel, the analog inputs of which are connected to the analog outputs of the programmable relay; the mounting panel contains a solid-state relay, the inputs of which are connected to the outputs of the signal setting device; an ambient temperature sensor is located on the mounting panel, the analog output of which is connected to the second input of the analog input module of the programmable relay; the mounting panel contains cooling equipment, the inputs of which are connected to the output of the discrete input / output module, the programmable logic controller is capable of communicating via USB Device ports with a USB port of a personal computer to exchange data with the installed SCADA system and an application package for modeling virtual objects management.;The educational laboratory stand provides students with the basics of installation, programming of automation equipment and control of technological objects both in full-time education and in its distance format.