Changes Since Edition - Siemens Simatic S7-300 CP 341 User Manual

Preface

Changes Since Edition 04/2000

In contrast with edition 04/2000 of this manual, this edition describes the additional functions
of the CP 341 (as of order number 6ES7341-1_H02-0AE0).
● Baud-rate range extended to 115.2 kbaud
● Increase of maximum message frame length to 4 kbyte
● Addition of the printer driver
● Addition of identification data (I&M functions)
● Adjustable baud rate dependent waiting time for response message frames for protocol
RK512
● Adjustable extended error display on the receive FB
Note
The descriptions of the CP 341 communication processors in this manual were correct at the
time of publication. We reserve the right to describe modifications to the functionality of the
modules in a separate product information.
Conventions
The abbreviation CP 341 is used in this documentation when information applies to all three
module variants: CP 341-RS232C, CP 341-20mA TTY and CP 341-RS 422/485.
Navigation features of this manual
The manual's navigation features outlined below support quick access to specific
information:
● At the beginning of the manual you can find a comprehensive list of contents.
● In the main body of the text, the information in the left-hand column of each page
summarizes the contents of each section.
● Following the appendices, a glossary defines important technical terms used in the
manual.
● Finally, a comprehensive index allows quick access to information on specific subjects.
Electronic manuals
The entire set of SIMATIC S7 documentation is available on the SIMATIC S7 Collection
CD-ROM.
4
www.gkbpx.com
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
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Manual, 09/2008, A5E02191071-01