Siemens SINAMICS G120 Function Manual page 257

Replacing the Control Unit 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
To replace the Control Unit, proceed as follows:
1. Disconnect the line voltage to the Power Module and (if installed) the external 24 V
2. Remove the signal cables of the Control Unit.
3. Remove the defective Control Unit.
4. Mount the new Control Unit on the Power Module.
5. Reconnect the signal cables of the Control Unit.
6. Connect up the line voltage again.
7. Plug the Operator Panel into the Control Unit or connect the Operator Panel handheld
8. Transfer the settings from the Operator Panel to the inverter.
9. Wait until the transfer is complete.
10.After loading, check whether the inverter outputs alarm A01028.
11.Switch off the inverter power supply.
12.Wait until all LEDs on the inverter go dark.
13.Switch on the inverter power supply again (power on reset).
14.Set p0010 to 95.
15.Set p9761 to the safety password.
16.Set p9701 to AC hex.
17.Set p0010 to 0.
18.Back up the settings so they are powerfail proof.
19.Switch off the inverter power supply.
20.Wait until all LEDs on the inverter go dark.
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 04/2014, FW V4.7, A5E34261271B AA
7.2 Replacing components of the modular SINAMICS G120/G120D/G110M inverters
supply or the voltage for the digital outputs of the Control Unit.
device with the inverter.
– Alarm A01028:
The loaded settings are not compatible with the inverter.
Clear the alarm with p0971 = 1 and recommission the drive.
– No alarm A01028: Proceed with the next step.
The inverter reports the faults F01641, F01650, F01680 and F30680. Ignore these faults,
as they will be automatically acknowledged by the following steps.
– BOP-2 in the menu "EXTRAS" - "RAM-ROM".
– IOP in the menu "SAVE RAM TO ROM".
Corrective maintenance
257