Overview Of Replacing Converter Components - Siemens SINAMICS G120D Operating Instructions Manual

Corrective maintenance
8.1 Replacing inverter components
8.1.2

Overview of replacing converter components

Permissible replacement of components
In the event of a long-term function fault, you must replace the Power Module or Control
Unit. The converter's Power Module and Control Unit can be replaced independently of each
other.
Replacing the Power Module
Replacement:
Same type
•
Same power rating
•
Risk of injury due to uncontrolled drive motion
Replacing converters of different types can result in an unpredictable drive response.
• In all cases that are not permitted according to the table above, recommission the drive
260
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
after replacing an converter.
Replacing the Control Unit
Replacement:
Same type
•
Same firmware version
•
After replacing the Control Unit, you must restore the con-
verter's settings.
Operating Instructions, 07/2016, FW V4.7 SP6, A5E34262100B AD
Replacement:
Same type
•
higher
firmware version
•
(e.g. replace FW V4.2 by
FW V4.3)
Converter with control units CU240D-2