Access to OPC services based on Android platform

Abstract

Abstract. In order to realize the data access service of Android platform for OPC,Analysis of the OPC of Android, developed a data access service system for PLC based on Android platform, described the system architecture, work flow and communication protocol, Implemented two kinds of state data access of the short connection and the long connection for PLC controller. The system has the advantages of high efficiency, convenient and practical, that engineers can receive data and control system through the android mobile devices whenever and wherever, and make use of existing resources for industrial on-site service.