Servicing And Maintenance; Replacing The Inverter Components - Siemens SINAMICS G120 Function Manual

Servicing and maintenance

5.1

Replacing the inverter components

In the event of a long-term function fault, you can replace the inverter's Power Module or
Control Unit separately. In many cases, you can switch the motor back on again straight
after the replacement.
Replacing components without recommissioning the drive
In the scenarios listed below, the inverter can be used straight after components have been
replaced:
Component replacement
Safety Integrated Function Manual, SINAMICS G120
Function Manual, 07/2010, FW 4.3.2, A5E03052391B AA
E:4 S C-V3N97875 E:4 S C-V3N97875
s s
SINAMICS SINAMICS
MICRO MEMORY CARD MICRO MEMORY CARD
6 S L 3 2 5 4 - 0 A M 0 0 - 0 A A 0 6 S L 3 2 5 4 - 0 A M 0 0 - 0 A A 0
Replacing Power Module with a
Power Module
of the same type and

same power rating

Replacing Power Module with a
Power Module
of the same type and

greater
power rating

Replacing Control Unit with
memory card with a Control Unit
of the same type and

same firmware version

5
Remark
-
Power Module and motor
must be adapted to one
another (ratio of motor and
Power Module rated power
> 1/8)
The settings, which are
saved on the memory card
of the CU that has been
replaced, are transferred
into the new CU
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