Siemens Sinamics G120 Function Manual page 355

17.Select the "Change settings" button.
18.Select the "Activate settings" button.
19.Save your settings (copy RAM to ROM).
20.Switch off the inverter supply voltage.
21.Wait until all LEDs on the inverter go dark.
22.Switch on the inverter supply voltage again.
23.Perform a reduced acceptance test.
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You have replaced the Control Unit and transferred the safety function settings from the PC
to the new Control Unit.
Replacing a Control Unit with data backup in Startdrive
Precondition
You have backed up the actual settings of the Control Unit to be replaced to a PC using
Startdrive.
Procedure
To replace the Control Unit, proceed as follows:
1. Switch off the inverter power supply voltage.
2. Remove all cables from the inverter.
3. After 5 minutes, check whether the device is in a no-voltage condition.
4. Release the four Power Modules screws.
5. Remove the Power Module.
6. Withdraw the ribbon cable to the CPI module from the Control Unit.
7. Release the four screws from the Control Unit.
8. Remove the defective Control Unit.
9. Mount the new Control Unit. The new Control Unit must have the same article number and
the same or higher firmware version as the Control Unit that was replaced.
10.Insert the ribbon cable to the CPI module back into the Control Unit.
11.Mount the Power Module on the Control Unit.
12.Reconnect all of the cables to the inverter.
13.Switch on the power supply voltages again.
14.Open the right project for the drive in the PC.
15.Select "Load to device".
16.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.
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
7.5 Replacing components of the SINAMICS G110M inverters
Reduced acceptance after a component has been replaced and a firmware change
Corrective maintenance
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