Siemens SINAMICS G120C Operating Instructions Manual page 317

Replacing an inverter with data backup in Startdrive
Requirement
You have backed up the actual settings of the inverter to be replaced to a PC using
Startdrive.
Procedure
To replace the inverter, proceed as follows:
1. Disconnect the line voltage to the inverter and (if installed) the external 24 V supply or the
voltage for the digital outputs of the inverter.
2. Remove the connecting cables of the inverter.
3. Remove the defective inverter.
4. Install the new inverter.
5. Connect all of the cables to the inverter.
6. Reconnect the line voltage, and (if being used) the external 24 V supply or the voltage for
the digital outputs of the inverter.
7. In Startdrive, open the project that matches the drive.
8. Select "Load to device".
9. Connect Startdrive online with the drive.
The inverter signals faults after the download. Ignore these faults, as they will be
automatically acknowledged by the following steps.
10.Press the "Start safety commissioning" button.
11.Enter the password for the safety functions.
12.Confirm the prompt for saving your settings (copy RAM to ROM).
13.Disconnect the online connection.
14.Switch off the inverter supply voltage.
15.Wait until all LEDs on the inverter go dark.
16.Switch on the inverter supply voltage again.
17.Carry out a reducedacceptance test, see Section Reduced acceptance after component
replacement and firmware change (Page 332).
You have replaced the inverter and transferred the safety function settings from the PC to
the new inverter.
SINAMICS G120C converter
Operating Instructions, 07/2015, FW V4.7 SP3, A5E34263257B AC
Corrective maintenance
8.1 Replacing inverter components
313