Preface
Preface
Purpose of This Manual
This manual explains how to congure and operate a point-to-point connection.
Contents of the manual
The manual describes the hardware and software of the CP 440 communication processor and
its integration in an S7–400 programmable controller. It is divided up into instruction-based
chapters and a reference section (appendices).
The following subjects are covered:
• The basics of point-to-point communication with the CP 440
• Commissioning the CP 440
• Mounting the CP 440
• Communication via the CP 440
• Troubleshooting
• Application examples
• Properties and technical specications
Scope of the manual
This manual is valid for the "CP 440 with X27 RS 422/485 interface", order number: "6ES7 440–
1CS00–0YE0" as of version "01".
Note
The description of the CP 440 communication processor in this manual were correct at the time
of publication. We reserve the right to describe modications to the functionality of the modules
in a separate Product Information.
Recycling and Disposal
The CP 440 is an environment-friendly product. It's characteristic features include:
• Halogen-free plastics used for housing, which nonetheless has a high degree of re resistance
• Laser inscriptions (i.e. no labels)
Point-to-point connection CP 440 Installation and Parameter Assignment
Equipment Manual, 03/2022, A5E00057742-AE 3
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