User Instructions
www.pulsar.pl                  
2 
 PSU features. 
  Compliant with the requirements of the 
 EN 54-4:1997+AC:1999+A1:2002+A2:2006 
and EN 12101-10:2005+AC:2007standards and 
pt. 12.2 of the Regulation of the Minister of Interior and 
Administration of the Republic of Poland of 20.06.2007 
  Power supply for the call station of the DSO system, e.g. 
the PVA-15CST and two PVA-20CSE extensions by 
BOSCH 
  24V DC Uninterruptible Power Supply 
  Single battery power supply (7Ah /12V) 
  Wide supply voltage range (176-264V AC) 
  Low ripple voltage 
  Microprocessor-based automation system 
  Measurement of the resistance of the battery circuit 
  Automatic temperature compensation of the battery 
charging 
  Battery test 
  Two-phase battery charging 
  The accelerated battery charging 
  Battery electrical continuity control 
  Battery voltage control 
  Battery fuse status control 
  Battery charge and maintenance control 
  Deep discharge battery protection (UVP) 
  Battery overload protection. 
  Battery output protection against short-circuit 
and reverse polarity connection 
  Output voltage control 
  Acoustic indication of failure 
  Technical inputs/outputs with galvanic isolation 
  Technical outputs - relay type. 
  ALARM – technical output of collective failure  
  EPS – technical output of 230V AC power 
failure indication  
  PSU – technical output of power supply failure 
indication 
  APS – technical output of battery failure 
indication 
  LED Optical indication. 
  Protection types: 
  SCP short-circuit protection 
  OLP overload protection 
  Convection cooling. 
  Warranty - 3 year from the production date 










