Siemens PM330 Hardware Installation Manual page 19

Note
Principle of the precharging circuit
SINAMICS PM330 Power Modules include a half-controlled thyristor bridge as rectifier
circuit. As a result of the precharging principle with phase control, precharging is only started
when all of the enable signals are available and by setting the ON/OFF command
(p0840 = 1).
The DC link is then fully charged after approximately 4 s.
The Power Modules can be used with the following Control Units, including all
communication versions with firmware version from 4.6 HF7 and higher.
• CU230P-2 PN
• CU230P-2 DP
• CU230P-2 HVAC
Operation with Control Units other than those listed above is not permitted.
Power Module PM330
Hardware Installation Manual, 12/2018, A5E32844552B AF
6SL3243-0BB30-1FAx
6SL3243-0BB30-1PAx
6SL3243-0BB30-1HAx
Introduction
17