Diseño y Construcción de un Equipo de Laboratorio de Control Automático para Simulación de Variables de Proceso de Presión, Temperatura y Nivel Mediante la Utilización del Software SCADA P-CIM.

Abstract

The work carried out as a postgraduate thesis consists, fundamentally, of the Design and Construction of an Automatic Control Lab Equipment for the Simulation of Pressure Process, Temperature and Level Variables through the use of the software SCADA P-CIM. The above software SCADA (supervisory control and dates acquisition), permits to create screens representing the industrial process to be controlled; it carried out a conversion of data provided by sensors to engineering units and generates alarms. In the simulation and experimentation it was possible to display on the screen of one monitor the main system components among which there button markers, indicators, equipment and accessories, as well as the behavior of the physical variables in function of the time; these variables are: pressure, temperature and level. It is important to point out that the computer communicates with the equipment called programmable logical controller or PLC which functions as a linking point between the process and the SCADA, existing, moreover, an analogical module for the adequate handling of the analogical signals produced by the sensors of both temperature and level. The communication programming and configuration of the PLC was performed in the software Twidosoft 1.0, establishing the functioning parameters of the equipment to be controlled. The temperature control system of an electric oven and a lab bank level control were experimented in real time. From the computer screen it was possible to start the equipment and display graphically and numerically the sensor data.