Backing up data and series commissioning
9.1 Saving settings on a memory card
Converter with control units CU250D-2
258 Operating Instructions, 04/2014, FW V4.7, A5E34261542B AA
Saving settings on a memory card
What memory cards do we recommend?
You will find the recommended memory cards in Section: Commissioning tools (Page 25).
Using memory cards from other manufacturers
The inverter only supports memory cards up to 2 GB. SDHC cards (SD High Capacity) and
SDXC cards (SD Extended Capacity) are not permitted.
If you use other SD or MMC memory cards, then you must format the memory card as
follows:
● MMC: Format FAT 16
– Insert the card into your PC's card reader.
– Command to format the card:
format x: /fs:fat (x: Drive code of the memory card on your PC)
● SD: Format FAT 16 or FAT 32
– Insert the card into your PC's card reader.
– Command to format the card:
format x: /fs:fat or format x: /fs:fat32 (x: Drive code of the memory card on your PC.)
Functional restrictions with memory cards from other manufacturers
The following functions are either not possible – or only with some restrictions – when using
memory cards from other manufacturers:
● Licensing functions is only possible using a recommended memory card.
● Know-how protection is only possible using a recommended memory card.
● Under certain circumstances, memory cards from other manufacturers do not support
writing or reading data from/to the inverter.
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