Overview Of Replacing Converter Components - Siemens Sinamics G120 Function Manual

7.5.1

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 inverter's Power Module and Control Unit can be replaced independently of each other.
In the following cases you will need to replace the inverter:
Replacing the Power Module
Replacement:
● Same power rating
Risk of injury due to uncontrolled drive motion
Replacing inverters with different firmware can result in uncontrolled motion of the drive.
● In all cases that are not permitted according to the table above, recommission the drive
Special issue relating to communication via PROFINET: Device replacement without removable data
storage medium
The inverter supports the PROFINET functionality, replacing the device without data storage
medium.
Precondition
The topology of the PROFINET IO system with the IO device involved is configured in your
higher-level control system.
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
Replacement:
Higher power rating
●
Power Module and motor must be
adapted to one another (ratio of mo‐
tor and Power Module rated power
> 1/4)
WARNING
after replacing an inverter.
7.5 Replacing components of the SINAMICS G110M inverters
Replacing the Control Unit
Replacement:
● Same firmware version
After replacing the Control Unit, you must restore the inver‐
ter's settings.
Corrective maintenance
Replacement:
higher firmware version
●
(e.g. replace FW V4.7 by
FW V4.7 SP3)
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