FM450_E.PDF

Preface, Contents

User Information

Product Overview

How the FM 450-1 Counts

SIMATIC

Installing and Removing the

FM 450-1

FM 450-1 Counter Function

Module

Installation and Parameter

Assignment

Wiring the FM 450-1

Assigning Parameters to the

FM 450-1

Programming the FM 450-1

Manual

Programming in M7 with the

Counter Function Library

Starting Up the FM 450-1

Reference Information

Operating Modes, Settings,

Parameters and Commands

Encoder Signals and Their

Evaluation

DB Assignments

M7 Reference

Counter Function Library

Faults and Diagnostics

Appendices

Technical Specifications

C79000-G7076-C450-01

Spare Parts

References

Glossary, Index

Safety Guidelines

This manual contains notices which you should observe to ensure your own personal safety, as well as to

protect the product and connected equipment. These notices are highlighted in the manual by a warning

triangle and are marked as follows according to the level of danger:

Danger

indicates that death, severe personal injury or substantial property damage will result if proper precautions are

not taken.

Warning

indicates that death, severe personal injury or substantial property damage can result if proper precautions are

not taken.

Caution

indicates that minor personal injury or property damage can result if proper precautions are not taken.

Note

draws your attention to particularly important information on the product, handling the product, or to a particular

part of the documentation.

Qualified Personnel

The device/system may only be set up and operated in conjunction with this manual.

Only qualified personnel should be allowed to install and work on this equipment. Qualified persons are

defined as persons who are authorized to commission, to ground, and to tag circuits, equipment, and sys-

tems in accordance with established safety practices and standards.

Correct Usage

Note the following:

Warning

This device and its components 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.

This product can only function correctly and safely if it is transported, stored, set up, and installed correctly, and

operated and maintained as recommended.

Trademarks

SIMATIC and SINEC are registered trademarks of SIEMENS AG.

Third parties using for their own purposes any other names in this document which refer to

trademarks might infringe upon the rights of the trademark owners.

The reproduction, transmission or use of this document or its contents is

not permitted without express written authority. 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 checked the contents of this manual for agreement with the

hardware and software described. Since deviations cannot be precluded

entirely, we cannot guarantee full agreement. However, the data in this

manual are reviewed regularly and any necessary corrections included in

subsequent editions. Suggestions for improvement are welcomed.

Siemens AG

Automation Group

Industrial Automation Systems

Postfach 4848, D-90327 Nürnberg

Siemens AG 1996

Technical data subject to change.

Siemens Aktiengesellschaft

Order No. C79000-G7076-C450

FM 450-1 Counter Function Module

C79000 G7076 C450 01

Preface

Purpose

This manual describes all the steps required for using the FM 450-1 function

module effectively. It supports you in learning the functionality of the

FM 450-1 quickly and effectively.

Contents of This

Manual

This manual describes the hardware and software of the FM 450-1. It consists

of an instructional section and a reference section (appendices).

The manual contains the following:

Installation and expansion of the FM 450-1

Wiring the FM 450-1

Assigning parameters to the FM 450-1

Programming the FM 450-1

Appendices

Audience

The manual is aimed at the following audience:

Installation engineers

Programmers

Startup engineers

Service and maintenance personnel

Scope of This

Manual

This manual contains the description of the FM 450-1 function module valid

at the time of publication of the manual. We reserve the right to describe any

subsequent changes in the functionality of the FM 450-1 in a Product

Information.

Other References

You will find a list of other references on the topic of the S7-400 and pro-

grammable controllers in the appendix.

FM 450-1 Counter Function Module

C79000-G7076-C450-01

iii

Basics of counting

Preface

Structure of This

Manual

To make it easier for you to locate specific information, the manual has been

structured as follows:

At the beginning of the manual, you will find a complete table of contents

and a list of all the figures and tables contained in the manual.

In the individual chapters, the information in left margin gives an over-

view of the contents of each section.

Following the appendices, there is a glossary containing definitions of the

important technical terms used in the manual.

At the end of the manual, you will find a detailed index giving you fast

access to the information you seek.

Standards

The S7-400/M7-400 programmable controller conforms to the IEC 1131 stan-

dard.

Additional

Assistance

If the manual fails to answer any questions concerning products described in

the manual please contact your Siemens representative at your local Siemens

office. You will find the relevant addresses in the ‘SIEMENS Worldwide’

Appendix of the ‘S7-400 and M7-400 Programmable Controllers’ manual.

If you have any questions or remarks regarding the manual itself, please fill

in the reply sheet at the back of the manual and send it to the address given.

Please also indicate your personal evaluation of the manual in the remarks

form.

We offer courses for entry-level users of the SIMATIC automation system.

Please contact your local training center or the Central Training Center in

D-90327 Nuremberg, Tel. ++49 911/895 3154.

FM 450-1 Counter Function Module

C79000-G7076-C450-01

Contents

Preface

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Product Overview

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

1.1

What Can the FM 450-1 Do?

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2

1.2

Application Areas of the FM 450-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-4

1.3

FM 450-1 Hardware

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-5

1.4

FM 450-1 Software

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-7

How the FM 450-1 Counts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-1

2.1

Definitions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2

2.2

Gate Functions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-5

Installing and Removing the FM 450-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1

3.1

Preparing the Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2

3.2

Installing and Removing the FM 450-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3

Wiring the FM 450-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1

4.1

Terminal Assignments of the Front Connector

. . . . . . . . . . . . . . . . . . . . . . . .

4-2

4.2

Wiring the Front Connector

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-8

4.3

Module Status After Switching On

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-11

Assigning Parameters to the FM 450-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1

5.1

Installing and Calling Parameter Assignment Screen Forms

. . . . . . . . . . .

5-2

Programming the FM 450-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-1

6.1

The FC CNT_CTRL Function

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-2

6.2

The FC DIAG_INF Function

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-5

6.3

Application Example

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-6

6.4

Technical Specifications of the Blocks

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-8

Programming in M7 with the Counter Function Library

. . . . . . . . . . . . . . . . . . . . .

7-1

7.1

Overview

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-2

7.2

Basic Program Structure

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-4

7.3

Initializing and Parameterizing the Counter Channel

. . . . . . . . . . . . . . . . . .

7-5

7.4

Transferring the Load Value and Comparison Values

. . . . . . . . . . . . . . . . .

7-7

7.5

Control of the Digital Inputs and Outputs

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-8

FM 450-1 Counter Function Module

C79000-G7076-C450-01

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