... can be supplemented by one or twoadditional Slaves, so that inverter units with2,000 or 6,000 W can be realised ... Masters and Slaves. Like the Slaves, the master includes an inverter, but it also provides additional functions: a four-line display ... an interfacecard.Flexible system designThe StecaGrid 2000+ uses the DualString concept.This means that every inverter (Master or Slave) hastwo inputs, with ...