Firmware Upgrade And Downgrade - Siemens SINAMICS G120 Operating Instructions Manual

Low voltage inverters built-in units with cu250s-2 control units and encoder evaluation

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Table of Contents

Firmware upgrade and downgrade

Preparing a memory card for a firmware upgrade or downgrade

1. Download the required firmware to your PC from the Internet.

2. Extract the files to a directory of your choice on your PC.

3. Transfer the unzipped files into the root directory of the memory card.

Depending on the firmware, the filenames and the number of files may differ from the display

The "USER" directory does not exist on unused memory cards. After the memory card is

plugged in for the first time, the inverter creates a new "USER" directory.

You have prepared the memory card for the firmware upgrade or downgrade.

Memory cards that can be ordered:

Converter with the CU250S-2 Control Units

Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG

Download (https://support.industry.siemens.com/cs/ww/en/view/67364620)

Example of memory card contents after the file transfer

Memory cards (Page 362)

Corrective maintenance

9.4 Firmware upgrade and downgrade