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Corrective maintenance
10.1 Replacing an converter
Replacing a converter with data backup in the Operator Panel
Precondition
You have backed up the actual settings of the Control Unit to be replaced to an operator panel.
Procedure
1. Disconnect the line voltage to the converter.
2. Remove the connecting cables of the converter.
3. Remove the defective converter.
4. Install the new converter.
5. Connect all of the cables to the converter.
6. Reconnect the line voltage to the converter.
7. Plug the Operator Panel onto the converter or connect the handheld device of the Operator
Panel to the converter.
8. Transfer the settings from the operator panel to the converter.
9. Wait until the transfer is complete.
10.After loading, check whether the converter outputs Alarm A01028.
– Alarm A01028:
– No alarm A01028: Proceed with the next step.
11.Back up the settings so they are not lost when the power fails:
– For BOP‑2 in the menu "EXTRAS" - "RAM-ROM".
– For IOP‑2 in the menu "SAVE RAM TO ROM".
You have replaced the converter and transferred the converter settings from the operator panel
to the new converter.
❒
10.1.3
Replacing a converter without data backup
If the settings have not been backed up, after replacing the converter, you must recommission
the drive.
830
WARNING
Electric shock as a result of a residual charge in power components
After the power supply has been switched off, it takes up to 5 min. until the capacitors in the
converter have discharged so that the residual charge is at a non-hazardous level.
● Check the voltage at the converter connections before you carry out any installation
work.
The loaded settings are not compatible with the converter.
Clear the alarm with p0971 = 1 and recommission the drive.
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
SINAMICS G120XA converter
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