Siemens SINAMICS G120D Operating Instructions Manual page 324

Corrective maintenance
10.5 Firmware upgrade and downgrade
8. At the end of the transfer, the LED RDY and BF slowly flash
9. Switch off the 24 V supply or remove the connector for the
10
.
11
.
12
.
13
.
You have upgraded the converter firmware to a newer version.
❒
322
red (0.5 Hz).
Power supply failure during the transfer
The converter firmware will be incomplete if the power sup‐
ply fails during the transfer.
• Start again with Step 1 of these instructions.
24 V supply from the Control Unit.
Wait until the LEDs on the Control Unit have gone out.
Decide whether to remove the memory card from the converter:
• You leave the memory card in place:
– There was no data back up on the memory card: ⇒ In step 13, the converter writes
its settings to the memory card.
– The memory card contains a data backup: ⇒ In step 13, the converter takes the
settings from the memory card.
• Remove the memory card: The converter keeps its settings.
Mount the Control Unit on the Power Module
Reconnect all plugs and switch on the 24 V supply.
If the firmware upgrade was successful, the Control
Unit responds after a few seconds with the RDY LED
lighting up green.
If the memory card is still inserted, depending on the previous content of the memory card,
one of the two following cases has occurred:
• The memory card contained a data backup: ⇒ The converter has taken over the settings
from the memory card.
• There was no data backup on the memory card: ⇒ The converter has written its settings
to the memory card.
Converter with the control units CU240D-2
Operating Instructions, 10/2020, FW V4.7 SP13, A5E34262100B AH