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Siemens Industry Online Support
Siemens AG
Entry type: FAQ, Entry ID: 4686019, Entry date: 12/17/2007
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Which software do you need for the C7-621 module (with integrated AS interface master)?

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Configuration Notes:
The C7-621 device is an S7-300 with integrated AS interface master.

No additional software is required for normal operation.

You need a function block for extended operation. This function block is available together with manual for the AS Interface Master Module CP342-2 in Entry ID: 1123328 . Press the "Info" button to start downloading the function block.

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