Diseño e implementación de un prototipo de supervisión de un sistema de control industrial utilizando plataformas empotradas de bajo costo y controladores lógicos programables PLCs

Abstract

Using OPC servers allow a better industrial process control. However, nowadays their high cost is a limitation for many industries. Another barrier is that the classic OPC protocols are still limited in communication capabilities. Because of this, OPC Foundation has developed the new OPC Protocol version named OPC UA. This research work presents the development of an OPC UA server implemented in a low cost embedded platform. The Raspberry Pi has been chosen because of its processing characteristics, and its capabilities of communication with other devices. The OPC server is implemented in Python, so it is multiplatform. The prototype developed in this work offers interesting advantages for industries, such as easiness in development in OPC standard communication with a low investment