PSW Series User Manual 
80 
Only operate the power supplies in parallel if 
the units are configured correctly.   
1.  Turn on the master and slave units. The slave 
unit(s) will show a blank display. 
2.  Operation of all units is controlled 
via the master unit. Operation of 
the master unit is the same as for a 
single unit. See the Basic Operation 
chapter.  
3.   Press the Output key to begin. 
Only operate the power supplies in parallel if using 
units of the same model number.  
Only a maximum of 3 units can be used in parallel.  
The panel controls are disabled on slave units, 
including the output key. On slave units only the 
Function key can be used to view the current 
settings.