Method, computer program and system for transferring a file

摘要

A method for transferring a digital file from an OPC VA server to an OPC VA client that is executed in a web browser as a web application, wherein an OPC VA file module is used to open the desired file on the OPC VA server, the digital data included therein are read using the OPC VA communication protocol and subsequently the open file is closed again. From the read digital data, a file is then formed that is a copy of the file to be transferred, the file formed then being provided to the web browser of the client as a file download.