S7-300_cp340_e.pdf

Preface

Product Description

SIMATIC

Basic Principles of Serial

Data Transmission

S7-300

PtP coupling and configuration of

CP 340

Starting up the CP 340

Mounting the CP 340

Manual

Configuring and

Parameterizing the CP 340

Communication using

function blocks

Startup

Diagnostics with the CP 340

Programming Example for

Standard Function Blocks

Technical Specifications

Connecting Cables

Communication Matrix of the

Protocols

Accessories and Order

Numbers

Literature on SIMATIC S7

04/2005

A5E00369892-01

Safety Guidelines

This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent

damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert

symbol, notices referring to property damage only have no safety alert symbol. These notices shown below are

graded according to the degree of danger.

Danger

indicates that death or severe personal injury will result if proper precautions are not taken.

Warning

indicates that death or severe personal injury may result if proper precautions are not taken.

Caution

with a safety alert symbol, indicates that minor personal injury can result if proper precautions are not taken.

Caution

without a safety alert symbol, indicates that property damage can result if proper precautions are not taken.

Notice

indicates that an unintended result or situation can occur if the corresponding information is not taken into

account.

If more than one degree of danger is present, the warning notice representing the highest degree of danger will

be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to

property damage.

Qualified Personnel

The device/system may only be set up and used in conjunction with this documentation. Commissioning and

operation of a device/system may only be performed by qualified personnel. Within the context of the safety notes

in this documentation qualified persons are defined as persons who are authorized to commission, ground and

label devices, systems and circuits in accordance with established safety practices and standards.

Prescribed Usage

Note the following:

Warning

This device may only be used for the applications described in the catalog or the technical description and only in

connection with devices or components from other manufacturers which have been approved or recommended

by Siemens. Correct, reliable operation of the product requires proper transport, storage, positioning and

assembly as well as careful operation and maintenance.

Trademarks

All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this

publication may be trademarks whose use by third parties for their own purposes could violate the rights of the

owner.

The distribution and duplication of this document or the utilization and transmission of its

contents are not permitted without express written permission. Offenders will be liable for

damages. All rights, including rights created by patent grant or registration of a utility

model or design, are reserved.

Disclaimer of Liability

We have reviewed the contents of this publication to ensure consistency with the

hardware and software described. Since variance cannot be precluded entirely, we cannot

guarantee full consistency. However, the information in this publication is reviewed

regularly and any necessary corrections are included in subsequent editions.

Siemens AG

Automation and Drives

Postfach 4848, 90327 Nuremberg, Germany

Technical data subject to change

Siemens Aktiengesellschaft

A5E00369892-01

Preface

Purpose of the manual

This manual explains how to establish and operate a point-to-point connection.

Contents of the manual

This manual describes the hardware and software of communication processor CP 340, and

the implementation into the S7-300 automation system. It consists of an instruction section

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

• Debugging

• Application example

• Attributes and technical specifications

Scope of this manual

The manual is relevant for:

Product

Order Number

From Edition

CP 340-RS 232C

6ES7 340-1AH02-0AE0

CP 340-20mA-TTY

6ES7 340-1BH02-0AE0

CP 340-RS 422/485

6ES7 340-1CH02-0AE0

Note

The description of the CP 340 communications 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 sheet.

PtP coupling and configuration of CP 340

Manual, 04/2005, A5E00369892-01

iii

Preface

Certifications

For details on approvals and standards, refer to the S7-300 Automation System, Module

Data manual,

Assistance in Using This Manual

To help you to quickly find the information you require, this manual offers the following:

• In the chapters, 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.

• At the end of the manual a comprehensive index allows quick access to information on

specific subjects.

Additional Assistance

Please contact your local Siemens representative if you have any queries about the products

described in this manual.

You will find your representative under:

http://www.siemens.com/automation/partner

You will find the guide for the technical documentation for the individual SIMATIC products

and systems under:

http://www.siemens.com/simatic-tech-doku-portal

You will find the online catalog and online ordering system under:

http://mall.automation.siemens.com/

Conventions

The abbreviation CP 340 is used in the documentation when information applies to all three

module variants: CP 340-RS 232C, CP 340-20mA-TTY and CP 340-RS 422/485.

Training Center

We offer a range of courses to help get you started with the S7 programmable controller.

Please contact your local training center or the central training center in

Nuremberg, D-90327 Germany.

Phone: +49 (911) 895-3200.

Internet: http://www.sitrain.com

PtP coupling and configuration of CP 340

Manual, 04/2005, A5E00369892-01

Preface

Technical Support

You can reach technical support for all A&D products

• via the web formula for the support request

http://www.siemens.com/automation/support-request

• Phone: + 49 180 5050 222

• Fax: + 49 180 5050 223

You will find more information about our technical support on the Internet at

http://www.siemens.com/automation/service

Service & Support on the Internet

In addition to our documentation, we offer our know-how online on the Internet at:

http://www.siemens.com/automation/service&support

There you will find:

• the newsletter, which constantly provides you with up-to-date information on your

products.

• the right documents via our Search function in Service & Support.

• A forum, where users and experts from all over the world exchange their experiences.

• Your local representative for Automation & Drives via our representatives database.

• Information about on-site services, repairs and spare parts. Lots more is available to you

on our "Services" pages.

PtP coupling and configuration of CP 340

Manual, 04/2005, A5E00369892-01

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