Development of a LabVIEW - Based Data Logging and Monitoring Application for a Photovoltaic Power Plant at FER


  • Marija Čuljak University of Zagreb, Faculty of Electrical Engineering and Computing, Department of Energy and Power Systems
  • Mateo Beus University of Zagreb Faculty of electrical engineering and computing
  • Hrvoje Pandzic



photovoltaic inverter, SCADA systems, Modbus TCP/IP protocol, LabVIEW, measurements logging, user interface


The purpose of this paper is to implement an application in LabVIEW programming language which logs the measurements from photovoltaic (PV) inverters. The application's communication module is connected to the inverters of the PVs via the Modbus TCP/IP protocol and collects the measurements of appropriate process quantities, such as the active power, the total electricity produced, the panel temperature, the insolation, the air temperature, etc. Furthermore, all the collected measurements are saved on a 15-minute basis in separate csv files for each day. Additionally, a graphical user interface (GUI) is developed, where the collected measurements from the PV are displayed. The PV for which the application is developed is located on the roof of the building B of the University of Zagreb Faculty of Electrical Engineering and Computing (FER).


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