dataFEED OPC Data Handler is a dataFEED OPC Suite component and combines different complementary functionalities in a comprehensive package offering an improved and extended OPC Classic (optional OPC UA) communication. dataFEED OPC Data Handler enables the simple and efficient storage of process data in SQL (ODBC) and NoSQL (MondoDB, CouchDB) databases. The data logging function stores the process data in a data file and enables later evaluation for quality and management tasks. Integration of process data from XML and CSV data files into Industry 4.0 solutions via OPC UA and MQTT