Siemens SIMATIC S7-400 Reference Manual page 8

Preface
Service & Support in the Internet
In addition to our documentation, we also offer you the benefit of all our knowledge
on the Internet.
http://www.siemens.com/automation/service&support
There you will find:
• A newsletter with all the latest information on your products
• Knowledge Manager to locate the documentation you require
• A forum in which users and specialists throughout the world exchange their
experiences
• Your local contact person for Automation & Drives using our contact database
• Information about our on-site service, repairs, spare parts and much more is
available under the heading "Service".
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Automation System S7-400 CPU Specifications
A5E00165965-01