Maintenance
12.6 Firmware update
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
247
Procedure using the SIMATIC memory card
To perform a firmware update using the SIMATIC memory card, follow these steps:
1. Insert a SIMATIC memory card into the SD card reader of your programming
device/computer.
2. To store the update file on the SIMATIC memory card, select the SIMATIC memory card
in the "Card Reader/USB memory" folder in the project tree.
3. Select the "Card Reader/USB memory > Create firmware update memory card"
command in the "Project" menu.
4. Use a file selection dialog to navigate to the firmware update file. In a further step you can
decide whether you want to delete the content of the SIMATIC memory card or whether
you want to add the firmware update files to the SIMATIC memory card.
5. Insert the SIMATIC memory card with the firmware update files into the CPU.
Point to note when updating firmware for analog modules and the IO-Link Master CM 4xIO-
Link communication module
If you want to update firmware for analog modules or the IO-Link Master CM 4xIO-Link
communication module, you must supply a load current of 24 V DC to the modules through
the infeed element.
Procedure
1. Remove any inserted SIMATIC memory card.
2. Insert the SIMATIC memory card with the firmware update files into the CPU.
3. The firmware update begins shortly after the SIMATIC memory card has been inserted.
4. Remove the SIMATIC memory card after the firmware update has been completed.
The RUN LED on the CPU lights up yellow, the MAINT LED flashes yellow.
If you want to use the SIMATIC memory card later as a program card, delete the firmware
update files manually.
ardware configuration contains several modules, the CPU updates all affected
modules in the slot sequence, which means in ascending order of the module position in the
STEP
7 device configuration.
Note
Memory size of the SIMATIC memory card
If you
perform a firmware update via the SIMATIC memory card, you must use a large
enough card based on the CPU used and the associated I/O modules.
Note the specified file sizes of the update files when downloading them from Siemens
Industry Online Suppo
rt. The file size information is especially important when you perform
the firmware update not only for the CPU but also for the associated I/O modules,
communication modules, etc. The total size of the update files must not exceed the available
memory siz
e of your SIMATIC memory card.
You can find more information on the capacity of SIMATIC memory cards in the section
Accessories/spare parts
(Page 291)and in the function manual Structure and use of the
https://support.industry.siemens.com/cs/de/en/view/59193101).
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