PtP coupling and configuration of CP 340
Manual, 04/2011, A5E00369892-03
3
Preface
Purpose of the manual
This manual explains how to establish and operate a point-to-point connection.
Content of the manual
This manual describes the hardware and software of communication processor CP 340, and
its implementation into the S7-300 automation system. It consists of an instruction section
and also contains reference material (appendices).
Topics covered:
● The basics of point-to-point connections with the CP 340
● Starting up the CP 340
● Mounting the CP 340
● Communication via the CP 340
● Troubleshooting
● Application example
● Features and technical specifications
Scope of the manual
The manual is relevant for:
Product Order number From edition
CP 340-RS 232C 6ES7 340-1AH02-0AE0 01
CP 340-20mA-TTY 6ES7 340-1BH02-0AE0 01
CP 340-RS 422/485 6ES7 340-1CH02-0AE0 01
Note
The description of the CP 340 communication processor contained in this manual is correct
at the date of publication. We reserve the right to describe changes to module functionality in
a Product Information.