Corrective maintenance
10.5 Firmware upgrade and downgrade
10.5.2
Preparing the memory card
Overview
You can load the converter firmware from the Internet to a memory card.
Precondition
You have the appropriate memory card.
Function description
Procedure
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.
Figure 10-3
Depending on the firmware, the filenames and the number of files may differ from the display
above.
The "USER" directory does not exist on unused memory cards. After the memory card is
plugged in for the first time, the converter creates a new "USER" directory.
You have prepared the memory card for the firmware upgrade or downgrade.
❒
10.5.3
Upgrading firmware
When upgrading firmware you replace the converter's firmware with a newer version. Only
update the firmware to a newer version if you require the expanded range of functions of that
newer version.
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Recommended memory cards (Page 98)
Download (https://support.industry.siemens.com/cs/ww/en/view/67364620)
Example of memory card contents after the file transfer
Converter with the control units CU240D-2
Operating Instructions, 10/2020, FW V4.7 SP13, A5E34262100B AH