Siemens SIMATIC ET 200pro FC-2 Operating Instructions Manual page 221

Low voltage converter for the distributed i/o system
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7. The inverter transfers the firmware from the memory card into its memory.
The transfer takes between 5 and 10 minutes.
While data is being transferred, the LED RDY on the inverter stays red. The SAFE LED
flashes with a variable frequency.
8. Once the transfer is completed, the RDY and SAFE LEDs flash slowly (0.5 Hz) red or
yellow.
Note
Power supply failure during the transfer
The inverter firmware will be incomplete if the power supply fails during the transfer.
• Start again with Step 1 of these instructions.
SIMATIC ET 200pro FC-2 converter
Operating Instructions, 04/2018, FW V4.7 SP10, A5E34257324B AF
9.3 Firmware upgrade and downgrade
Repair
219

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