WattsOn-Mark II with SMA DataManager M for Export Limit and Zero Export Applications
The following whitepaper was created by SMA for use with their EDMM (DataManager M) and the Elkor WattsOn-Mark II.
The SMA DataManager M currently only supports the -E4 (or older -E3) WattsOn-Mark II meter models, as it requires communication via Modbus/TCP (ethernet connection).
http://elkor.net/pdfs/SMA_Zero_Export_EDMM_Elkor_V03.pdf
Additionally, SMA has created the following video: