S7200.pdf

Preface, Contents

Product Overview

Getting Started

Installing the S7-200

SIMATIC

PLC Concepts

Programming Concepts,

Conventions and Features

S7-200 Programmable Controller

System Manual

S7-200 Instruction Set

Communicating over a Network

Hardware Troubleshooting Guide

and Software Debugging Tools

Creating a Program for the

Position Module

Creating a Program for the

Modem Module

Using the USS Protocol Library to

Control a MicroMaster Drive

Using the Modbus Protocol

Library

Technical Specifications

Calculating a Power Budget

Error Codes

Special Memory (SM) Bits

S7-200 Order Numbers

Execution Times for STL

Instructions

This manual has the order number:

6ES7298-8FA23-8BH0

S7-200 Quick Reference

Information

Index

Edition 05/2003

A5E00212536-02

Contents

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

Danger indicates an imminently hazardous situation which, if not avoided, will result in death or serious

injury.

Warning

Warning indicates a potentially hazardous situation which, if not avoided, could result in death or serious

injury.

Caution

Caution used with the safety alert symbol indicates a potentially hazardous situation which, if not

avoided, may result in minor or moderate injury.

Caution

Caution used without the safety alert symbol indicates a potentially hazardous situation which, if not

avoided, may result in property damage.

Notice

Notice indicates a potential situation which, if not avoided, may result in an undesirable result or state.

Qualified Personnel

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 descriptions, 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 R , SIMATIC HMI R and SIMATIC NET R are registered trademarks of SIEMENS AG.

Some of other designations used in these documents are also registered trademarks; the owner’s rights may be violated

if they are used by third parties for their own purposes.

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 gua-

rantee full agreement. However, the data in this manual are reviewed regularly and

any necessary corrections included in subsequent editions. Suggestions for impro-

vement are welcomed.

Siemens AG

Bereich Automation and Drives

Geschaeftsgebiet Industrial Automation Systems

Postfach 4848, D- 90327 Nuernberg

E Siemens AG 2003

Technical data subject to change.

Siemens Aktiengesellschaft

6ES7298-8FA23-8BH0

Preface

The S7-200 series is a line of micro-programmable logic controllers (Micro PLCs) that can control a

variety of automation applications. Compact design, low cost, and a powerful instruction set make the

S7-200 a perfect solution for controlling small applications. The wide variety of S7-200 models and the

Windows-based programming tool give you the flexibility you need to solve your automation problems.

Audience

This manual provides information about installing and programming the S7-200 Micro PLCs and is

designed for engineers, programmers, installers, and electricians who have a general knowledge of

programmable logic controllers.

Scope of the Manual

The information contained in this manual pertains in particular to the following products:

- S7-200 CPU models: CPU 221, CPU 222, CPU 224, CPU 226, and CPU 226XM

- S7-200 EM 22x expansion modules

- STEP 7--Micro/WIN, version 3.2, a 32-bit programming software package for the S7-200

STEP 7--Micro/WIN Instruction Libraries and TP-Designer for TP070, Version 1.0, a set of

software tools for customers who use an S7-200 with other components, such as the TP070

Touch Panel, Modbus, or a MicroMaster drive

Standards Compliance

The SIMATIC S7-200 series meets the following standards:

- European Community (CE) Low Voltage Directive 73/23/EEC

EN 61131--2: Programmable Controllers -- Equipment requirements

European Community (CE) EMC Directive 89/336/EEC

Electromagnetic emissions standard

EN 61000--6--3: residential, commercial, and light industry

EN 61000--6--4: industrial environment

Electromagnetic immunity standards

EN 61000--6--2: industrial environment

- Underwriters Laboratories, Inc.

UL 508 Listed (Industrial Control Equipment) Registration number E75310

- Canadian Standards Association: CSA C22.2 Number 142 (Process Control Equipment)

- Factory Mutual Research: FM Class I, Division 2, Groups A, B, C, & D Hazardous Locations, T4A

and Class I, Zone 2, IIC, T4

Refer to Appendix A for compliance information.

Tip

The SIMATIC S7-200 series meets the CSA standard.

The cULus logo indicates that the S7-200 has been examined and certified by Underwriters

Laboratories (UL) to standards UL 508 and CSA 22.2 No. 142.

iii

Contents

Maritime Approvals

The S7-200 products are periodically submitted for special agency approvals related to specific markets

and applications. This table identifies the agency and certificate number that the S7-200 products have

been approved for. Not all S7-200 products in this manual have been approved for these special agency

approvals. Consult your local Siemens representative if you need additional information related to the

latest listing of exact approvals by part number.

Agency

Certificate Number

Lloyds Register of Shipping (LRS)

99 / 20018(E1)

American Bureau of Shipping (ABS)

01--HG20020--PDA

Germanischer Lloyd (GL)

12 045 -- 98 HH

Det Norske Veritas (DNV)

A--8071

Bureau Veritas (BV)

09051 / A2 BV

Nippon Kaiji Kyokai (NK)

A--534

How to Use This Manual

If you are a first-time (novice) user of S7-200 Micro PLCs, you should read the entire S7-200

Programmable Controller System Manual . If you are an experienced user, refer to the table of contents

or index to find specific information.

The S7-200 Programmable Controller System Manual is organized according to the following topics:

- Chapter 1 (Product Overview) provides an overview of some of the features of the S7-200 family

of Micro PLC products.

- Chapter 2 (Getting Started) provides a tutorial for creating and downloading a sample control

program to an S7-200.

- Chapter 3 ( Installing the S7-200) provides the dimensions and basic guidelines for installing the

S7-200 CPU modules and expansion I/O modules.

- Chapter 4 ( PLC Concepts) provides information about the operation of the S7-200.

- Chapter 5 ( Programming Concepts, Conventions, and Features) provides information about the

features of STEP 7--Micro/WIN, the program editors and types of instructions (IEC 1131-3 or

SIMATIC), S7-200 data types, and guidelines for creating programs.

- Chapter 6 (S7-200 Instruction Set) provides descriptions and examples of programming

instructions supported by the S7-200.

- Chapter 7 (Communicating over a Network) provides information for setting up the different

network configurations supported by the S7-200.

- Chapter 8 ( Hardware Troubleshooting Guide and Software Debugging Tools) provides information

for troubleshooting problems with the S7-200 hardware and about the STEP 7--Micro/WIN

features that help you debug your program.

- Chapter 9 ( Creating a Program for the Position Module) provides information about the

instructions and wizard used to create a program for the EM 253 Position module.

- Chapter 10 ( Creating a Program for the Modem Module) provides information about the

instructions and wizard used to create a program for the EM 241 Modem module.

- Chapter 11 ( Using the USS Protocol Library to Control a MicroMaster Drive) provides information

about the instructions used to create a control program for a MicroMaster drive. It also provides

information about how to configure the MicroMaster 3 and MicroMaster 4 drives.

- Chapter 12 (Using the Modbus Protocol Library) provides information about the instructions used

to create a program that uses the Modbus protocol for communications.

- Appendix A ( Technical Specifications) provides the technical information and data sheets about

the S7-200 hardware.

The other appendices provide additional reference information, such as descriptions of the error codes,

descriptions of the Special Memory (SM) area, part numbers for ordering S7-200 equipment, and STL

instruction execution times.

Preface

Additional Information and Assistance

Information about the S7-200 and STEP 7 -Micro/WIN

In addition to this manual, STEP 7--Micro/WIN provides extensive online help for getting started with

programming the S7-200. Included with the purchase of the STEP 7--Micro/WIN software is a free

documentation CD. On this CD you can find application tips, an electronic version of this manual and

other information.

Online Help

Help is only a keystroke away! Pressing F1 accesses the extensive online help for STEP 7--Micro/WIN.

The online help includes useful information about getting started with programming the S7-200, as well

as many other topics.

Electronic Manual

An electronic version of this S7-200 System Manual is available on the documentation CD. You can

install the electronic manual onto your computer so that you can easily access the information in the

manual while you are working with the STEP 7--Micro/WIN software.

Programming Tips

The documentation CD includes Programming Tips, a set of application examples with sample

programs. Reviewing or modifying these examples can help you find efficient or innovative solutions for

your own application. You can also find the most current version of Programming Tips on the S7-200

Internet site.

Internet: www.siemens.com/S7--200

For additional information about Siemens products and services, technical support, frequently asked

questions (FAQs), product updates, or application tips, refer to the following Internet addresses:

- www.ad.siemens.de for general Siemens information

This Siemens Automation & Drives Internet site includes information about the SIMATIC product

line and other products available from Siemens.

- www.siemens.com/S7--200 for S7-200 product information

The S7-200 Internet site includes frequently asked questions (FAQs), Programming Tips

(application examples and sample programs), information about newly released products, and

product updates or downloads.

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika: