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9.3.1
Upgrading the firmware
When upgrading the firmware, you replace the inverter firmware by a later version. Only update
the firmware to a later version if you require the expanded functional scope of the newer version.
Precondition
● The firmware version of your inverter is at least V4.5.
● Inverter and memory card have different firmware versions.
Procedure
Proceed as follows to upgrade the inverter firmware to a later version:
1. Switch off the inverter power supply.
/('2))
2. Wait until all LEDs on the inverter are dark.
3. Insert the card with the matching firmware into the inverter slot
until it latches into place.
4. Switch on the inverter power supply again.
%)
5'<
PLQ
5. The inverter transfers the firmware from the memory card
into its memory.
The transfer takes approximately 5 … 10 minutes.
While data is being transferred, the LED RDY on the in‐
verter stays red. The LED BF flashes orange with a varia‐
ble frequency.
6. At the end of the transfer, the LED RDY and BF slowly flash red
(0.5 Hz).
Power supply failure during transfer
The inverter firmware will be incomplete if the power supply fails
during the transfer.
● Start again with step 1 of the instructions.
5'<
%)
7. Switch off the inverter power supply.
/('2))
8. Wait until all LEDs on the inverter are dark.
Decide whether you will withdraw the memory card from the in‐
verter:
● You remove the memory card:
⇒ The inverter keeps its settings.
Corrective maintenance
9.3 Firmware upgrade and downgrade
SINAMICS G120C converter
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF
393
Содержание SINAMICS G120C
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