Siemens Industry Online Support
Siemens AG
Entry type: FAQ Entry ID: 27250866, Entry date: 01/07/2008

What should you watch out for if you want to use a function module FM458-1 DP (6DD1607-0AA2) with expansion module EXM448?

  • Entry
  • Associated product(s)

Configuration Notes
If you wish to operate an FM458-1DP (6DD1607-0AA2) with firmware V2.x with expansion module EXM448 or EXM448-1, you must pay attention to the releases:

  • An EXM448 release 8 has to be upgraded to release 9.
  • An EXM448-1 release 10 or 11 has to be upgraded to release 12.
  • Previous releases of EXM448 and EXM448-1 do not have to be upgraded.

Upgrading must be done by the Siemens IA&DT Returns Center:
Siemens AG
IA&DT Retourencenter
Siemensstr. 2
D-90766 Fürth

Tel.: +49 (0) 911 895 7448
Fax: +49 (0) 911 895 7449

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