247.2.8 Series and parallel operationThe PLS600 series of power supplies may be used in series or parallel combinations.For both of these modes the power supplies used must be identical models.No more than two power supplies may be put in series due to voltage isolation and safety considerations.WARNING: Output terminal isolation: No output terminal may be more than 600VDC from other terminal or chassis ground.For parallel operation up to 4 units may be connected in MASTER/SLAVE modeIn order to parallel or series PLS600 power supplies one power supply must be set up to be the master and the rest of thepower supplies must be set up as slaves. To put a power supply in master mode take the following steps:1) Enter setup mode.SYSTEM SETUPMODESYSTEM SETUPMASTER MODE2) Rotate the voltage or current control until Master Mode screen appears.Master modeParallel (i)Master modeSeries (v)3) Press the output on/off button then rotate the voltage or current control to select parallel or series master mode. Press theoutput on/off button when the mode you wish is displayed.System set upexit4) Rotate the voltage or current control until the Exit screen is displayedSave config?yes5) Press Output On/Off button and the following screen will be displayed.