Steps For Replacing The Inverter - Siemens SINAMICS G120 Operating Instructions Manual

11.2

Steps for replacing the inverter

We recommend that you save your settings of the converter after commissioning to an
external device. You find information about saving the converter settings in the section Data
backup and series commissioning (Page 247).
If the settings are not saved to an external device, you will have to recommission the
converter when it is replaced.
Procedure for replacing the converter with a memory card
● Disconnect the line voltage of the converter.
Dangerous voltage!
Hazardous voltage is still present for up to 5 minutes after the power supply has been
switched off. Do not to carry out any installation work before this time has expired!
● Remove the connectors for line, motor and braking resistor of the converter.
● Remove the signal cables of the converter.
● Remove the defective converter.
● Mount the new converter.
● Remove the memory card from the old converter and insert it in the new converter.
● Reconnect the signal cables of the Control Unit.
● Reconnect the connectors for line, motor and braking resistor of the converter.
● Connect up the line voltage again.
● The converter adopts the settings from the memory card, saves them (protected against
● For converters of the same type and an equal or higher firmware version, you can switch
SINAMICS G120C frequency converter
Operating Instructions, 03/2012, FW V4.5, A5E02999804B AB
DANGER
power failure) in its internal parameter memory, and switches to "ready to start" state.
on the converter without any additional commissioning.
Alarm A01028 will be output for converters of different types. This alarm indicates that the
parameter settings are not compatible with the converter. In this case, delete the
message using p0971 = 1 and recommission the drive.
Servicing and maintaining
11.2 Steps for replacing the inverter
269