Siemens Industry Online Support
Siemens AG
Entry type: Product note Entry ID: 109750370, Entry date: 10/13/2017

Delivery release for 12 MB, 24 MB and 256 MB SIMATIC memory cards

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For technical reasons relating to their manufacture, the 12 MB, 24 MB and 256 MB SIMATIC memory cards have been given new article numbers. The SIMATIC memory cards with the new article number are compatible with the previous versions as spare parts and are available immediately for delivery.

Ordering information

DesignationNew article numberOld article number
SIMATIC Memory Card 12 MB6ES7954-8LE03-0AA06ES7954-8LE02-0AA0
SIMATIC Memory Card 24 MB6ES7954-8LF03-0AA06ES7954-8LF02-0AA0
SIMATIC Memory Card 256 MB6ES7954-8LL03-0AA06ES7954-8LL02-0AA0


The revised versions of the 12 MB, 24 MB and 256 MB SIMATIC memory cards are functionally compatible with the predecessor versions and replace them as spare parts. As soon as the SIMATIC memory cards with the old article numbers are sold out, orders will be automatically converted to the new article numbers. The predecessor SIMATIC memory cards will no longer be available when the stock is sold out.

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
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