Servicing And Maintenance; Replacing Components Of The Modular Sinamics G120 Inverter; Overview Of Replacing Converter Components - Siemens SINAMICS G120 Function Manual

Servicing and maintenance

5.1

Replacing components of the modular SINAMICS G120 inverter

5.1.1

Overview of replacing converter components

In the event of a permanent function fault, you can replace the converter's Power Module or
Control Unit independently of one another. In the following cases, you may immediately
switch on the motor again after the replacement.
Replacing the Power Module
Replacement:
Same type
•
Same power rating
•
In all other cases, you must recommission the drive.
Safety Integrated Function Manual, SINAMICS G120 and G120C
Function Manual, 01/2011, FW 4.4, A5E03052391B AB
Replacement:
Same type
•
Higher
power rating
•
Power Module and motor
must be adapted to one
another (ratio of motor and
Power Module rated power >
1/8)
WARNING
Replacing the Control Unit with external backup of the
settings, e.g. on a memory card
Replacement:
Same type
•
Same firmware version
•
The converter automatically loads the settings on the
memory card into the new CU.
If you have saved the settings of your converter on another
medium, e.g. on an operator panel or on a PC, then after
the replacement, the settings must be loaded into the
converter.
5
Replacement:
Same type
•
higher
firmware version
•
(e.g. replace FW V4.2 by
FW V4.3)
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