Abstract: A supply-chain of an enterprise is monitored and managed using a system that acquires information from a plurality of supply-chain databases and generates reports based on the acquired information. In some examples, a plurality of common data fields for the plurality of databases are determined, data regarding one or more procurement items from each of the plurality of databases is acquired, wherein the data for each of the one or more procurement items comprises data corresponding to each of the common data fields, and one or more reports about the one or more procurement items are generated based on the requested data.

Abstract: The invention relates to a monitoring unit for photovoltaic modules, wherein the modules are designed for a direct conversion of radiation energy, such as e.g. solar energy, into electric energy, and the system is designed function monitored, wherein each photovoltaic module (1-3) has assigned to it its own monitoring unit (4-6; 15, 16; 28) and all monitoring units are centrally monitored and documented by a control computer.