S7-200 Manual.pdf

Preface, Contents

Product Overview

Getting Started

SIMATIC

Installing the S7-200

PLC Concepts

S7-200

Programmable Controller

System Manual

Programming Concepts,

Conventions and Features

S7-200 Instruction Set

Communicating over a Network

Hardware Troubleshooting Guide

and Software Debugging Tools

Open Loop Motion Control with

the S7-200

Creating a Program for the

Modem Module

Using the USS Protocol Library to

Control a MicroMaster Drive

Using the Modbus Protocol

Library

Using Recipes

Using Data Logs

PID Auto-Tune and the PID

Tuning Control Panel

Appendices

Index

This manual has the order number:

6ES7298-8FA24 -8BH0

Edition 09/2007

A5E00307987 -03

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 systems 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

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

Bereich Automation and Drives

Geschaeftsgebiet Industrial Automation Systems

Postfach 4848, D- 90327 Nuernberg

E Siemens AG 2007

Technical data subject to change.

Siemens Aktiengesellschaft

6ES7298-8FA24-8BH0

Preface

Purpose of the manual

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.

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.

Required Basic Knowledge

To understand this manual, it is necessary to have a general knowledge of automation and

programmable logic controllers.

Scope of the Manual

This manual is valid for STEP 7--Micro/WIN, version 4.0 and the S7-200 CPU product family. For

a complete list of the S7-200 products and order numbers described in this manual, see

Appendix A.

Changes compared to the previous version

This manual has been revised to include the following.

S7-200 CPU: New S7-200 CPU 224XPsi DC/DC/DC, 14 Inputs/10 Outputs

S7-200 expansion modules:

New Digital Expansion Modules: EM 223 24 VDC Digital Combination 32 Inputs/32 Outputs

and EM 223 24 VDC Digital Combination 32 Inputs/32 Relay Outputs

New High Density Expansion Modules: EM 232 Analog Output, 4 Outputs, EM 231 Analog

Input, 8 Inputs

STEP 7--Micro/WIN, version 4.0, programming software package for the S7-200. New and

improved tools that include:

Operating System: Microsoft Vista is now supported

LAD and FBD Program Editor Improvements: Automatic Symbol Name Completion, Drag

and Drop Symbol Names and New Shortcut Keys for Symbol Names

Communications Setup: If a USB cable is detected the first time STEP 7--Micro/WIN is

started, the USB communication is now automatically selected.

Libraries:

With Modbus RTU Master Libraries you can now create a Modbus RTU network using Port

0 or Port 1. The S7-200 acts as a Master or Slave on a Modbus RTU network.

USS Library for either Port 0 or Port 1 (CPU 22XP and CPU 226) is now available. This

allows you to use the USS communications on Port 1 and reserve Port 0 for PPI

communications or Freeport communications.

Password protection: There is now a level 4 password protection to provide more security

for the intellectual property of the program author.

Text Display Wizard: The Text Display wizard now supports the TD400C device.

iii

S7-200 Programmable Controller System Manual

Certification

The SIMATIC S7-200 products have the following certification:

- 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: Class Number 3600, Class Number 3611, FM Class I, Division 2,

Groups A, B, C, & D Hazardous Locations, T4A and Class I, Zone 2, IIC, T4

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.

CE Labeling

The SIMATIC S7-200 products fulfill the requirements and protection guidelines of the following

EU directives:

- EC Directive 73/23/EEC “Low--voltage directive”

- EC Directive 89/336/EEC “EMC directive”

- EG Directive 94/9/EG “ATEX”

Consult your local Siemens representative regarding product compliance for the European

Community ATEX Directive 94/9/EC.

C-Tick

The SIMATIC S7-200 products are compliant with requirements of the AS/NZS 2064 (Australian)

standard.

Standards:

The SIMATIC S7-200 products fulfill the requirement and criteria of IEC 61131--2, Programmable

controllers -- Equipment requirements.

Refer to Appendix A for additional compliance information.

Preface

Place of this Documentation in the Information Environment

Product

Family

Documentation

Order Number

S7--200

S7-200 Point-to-Point Interface Communication Manual (English/German)

6ES7 298--8GA00--8XH0

SIMATIC Text Display User Manual (included on the STEP 7--Micro/WIN

documentation CD)

none

HMI device OP 73micro, TP 177micro (WinCC Flexible) Operating

Instructions (English)

6AV6 691--1DF01--0AB0

SIMATIC HMI WinCC flexible 2005 Micro User’s Manual (English)

6AV6 691--1AA01--0AB0

SIMATIC NET CP 243--2 AS-Interface Master Manual (English)

6GK7 243--2AX00--8BA0

SIMATIC NET CP 243--1 Communications processor of Industrial Ethernet

Technical Manual (English)

J31069--D0428--U001--A2--7618

SIMATIC NET CP 243--1 IT Communications Processor of Industrial

Ethernet and Information Technology Technical Manual (English)

J31069--D0429--U001--A2--7618

SIMATIC NET S7Beans / Applets for IT--CPs Programming Tips (English)

C79000--G8976--C180--02

SIMATIC NET GPRS/GSM--Modem SINAUT MD720--3 System manual

(English)

C79000--G8976--C211

SIMATIC NET SINAUT MICRO SC System manual (English)

C79000--G8900--C210

SIWAREX MS Device Manual (English) (included with device)

none

S7-200 Programmable Controller System Manual (English)

6ES7 298--8FA24--8BH0

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