Siemens PM240-2_EN_rev00-30082019.docx    3-1 
3  POWER MODULE 
3.1  POWER MODULE BLOCKSIZE (PM240-2) 
3.1.1  Description 
The Power Module are in Blocksize format and theirs size are identified with letters, from FSA to reach FSF. 
They consist of the following components: 
  Line-side diode rectifier 
  DC link electrolytic capacitors with pre-charging circuit 
  Output inverter 
  Braking chopper for (external) braking resistor 
  24 V DC / 1 A power supply 
  Gating unit, actual value acquisition 
  Fan to cool the power semiconductors 
The Power Modules are supplied in versions with line filter with reference to the standard EMC EN 61800-3 
 
Table 1 Power Module PM240-2 overview 
Power  Module  frame  size  FSB, 
with integrated line filter 
Power  Module  frame  size  FSC,  with 
integrated line filter