Method and data conversion unit for monitoring an automation system

A method for monitoring an automated plant, in which a field device is applied, comprising:

• providing a first cloud-capable database having a first data configuration and containing field device related data including measured values, parameter values, identification data, and diagnostic status of the field device;
• providing a second cloud-capable database having a second data configuration different from the first data configuration, wherein the first and the second data configurations define file formats of the data, including semantics and rules for organizing and for storing the data in the first and second databases;
• providing a first data conversion unit including an edge device or a gateway;
• retrieving data contained in the first database via the data conversion unit;
• converting the retrieved data into a format conforming to the second data configuration;
• and
• storing the converted data in the second database.

A data conversion unit, which is embodied to:

• retrieve data contained in a first database having a first data configuration;
• convert the retrieved data into a format conforming to a second data configuration;
• and
• storing the converted data in a second database.