2017DIN EN 61724-1:2017 Photovoltaic system performance - Part 1: Monitoring (IEC 61724-1:2017); German version EN 61724-1:2017
2016DIN EN 61724-1 E:2016 Draft Document - Photovoltaic system performance - Part 1: Monitoring (IEC 82/1070/CDV:2016); German version FprEN 61724-1:2016