Siemens Simatic S7-400 - Communication; Interfaces Overview

• Plastics identi󹪝cation in accordance with DIN EN ISO 11469
• Less material used because the unit is smaller and with fewer components thanks to
integration in ASICs
The CP 440 is suitable for recycling on account of the low level of contaminants in its
components. Please contact a certi󹪝ed waste disposal company for eco-friendly recycling and to
dispose of your old devices.
Structure of This Manual
To help you to quickly 󹪝nd the information you require, this manual o󹪜ers the following:
• At the beginning of the manual you can 󹪝nd a comprehensive list of contents.
• Finally, a comprehensive index allows quick access to information on speci󹪝c subjects.
Additional assistance
Please contact your local Siemens representative if you have any queries about the products
described in this manual.
• Find your contact partner at:
http://www.siemens.de/automation/partner (http://www.siemens.com/automation/
partner)
• You will 󹪝nd the guide to the technical documentation for the individual SIMATIC products
and systems at:
http://www.siemens.de/simatic-doku (http://www.siemens.com/simatic-doku)
• The online catalog and the online ordering system are available at:
http://www.siemens.de/automation/mall (http://www.siemens.com/automation/mall)
Training Center
We o󹪜er a range of courses to help get you started with the S7 automation system. Please
contact your local training center or the central training center in Nuremberg,
D-90327 Germany.
• Internet: http://www.siemens.com/sitrain (http://www.siemens.com/sitrain)
Technical support
Here you can access Technical Support for all A&D products
• Use the Web form for the support request
http://www.siemens.com/automation/support-request (http://www.siemens.com/
automation/support-request)
Additional information about our technical support is available in the Internet at:
http://www.siemens.de/automation/service&support (http://www.siemens.com/automation/
service&support)
Preface
Point-to-point connection CP 440 Installation and Parameter Assignment
4 Equipment Manual, 03/2022, A5E00057742-AE