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Entry type: Download Entry ID: 2504455, Entry date: 07/01/2002
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BIOS Update for M7 Modules

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DESCRIPTION:
With the following M7 modules with exactly the release specified (older releases are not affected), the BIOS Setup parameters cannot be saved:

Order No. (MLFB)

Module

Release

6ES7388-4BN00-0AC0

SIMATIC M7-300 CPU 388-4

06

6ES7356-4BM00-0AE0

SIMATIC M7-300 FM 356-4 (4 MB RAM)

07

6ES7356-4BN00-0AE0

SIMATIC M7-300 FM 356-4 (8 MB RAM)

07

6ES7456-4EY00-0AE0

SIMATIC M7-400 FM 456-4

05

You can carry out a BIOS update yourself and thus clear the problem and increase the release by 1. Modules supplied today ex works already have the release increased by 1.

The BIOS for the CPU 388-4 (6ES7388-4BN00-0AC0) and the FM 356-4 (6ES7356-4BM00-0AE0 and 6ES7356-4BN00-0AE0) is contained in the ar340.bin file.
The BIOS for the FM 456-4 (6ES7456-4EY00-0AE0) is contained in the ar440.bin file.

In order to upgrade an M7-SYS installation under STEP 7 on a PG or PC, please use both files ar340.bin and ar440.bin in the STEP 7 installation directory under
...\SIEMENS\STEP7\M7SYSx.00\CONFIG\FWUPDATE.

Please also add the updated BIOS version A1.10 to the VERSINFO entry in the INF files as follows:

            [VERSINFO]

            FW_VERSION=A1.10

            NEEDED_FW=A1.10

in

...\SIEMENS\STEP7\M7SYSx.00\CONFIG\CPU388-4.INF

...\SIEMENS\STEP7\M7SYSx.00\CONFIG\FM356-4.INF

...\SIEMENS\STEP7\M7SYSx.00\CONFIG\FM356M-4.INF

...\SIEMENS\STEP7\M7SYSx.00\CONFIG\FM456-4.INF

Then from STEP7 you can trigger the BIOS update via the function "Administer M7 Target System".

BIOS update for M7 modules
(self-extracting file)

 biosa110.exe ( 142 KB )

Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit
https://www.siemens.com/cybersecurity#Ouraspiration.
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