Preface, Contents 1 2 SIMATIC 3 S7-200

1 preface , ContentsProduct Overview1 Getting Started2 Installing the S7-2003 PLC Concepts4 Programming Concepts,Conventions and Features5S7-200 Instruction Set6 Communicating over a Network7 Hardware Troubleshooting Guideand Software Debugging Tools8 Open Loop Motion Control withthe S7-2009 Creating a Program for theModem Module10 Using the USS Protocol Library toControl a MicroMaster Drive11 Using the Modbus ProtocolLibrary12 Using Recipes13 Using Data Logs14 PID Auto-Tune and the PIDT uning Control Panel15 AppendicesIndexS7-200 Programmable ControllerSystem ManualSIMATICE dition 08/2005A5E00307987--02 This manual has the order number.

2 6ES7298-8FA24-8BH0iiSafety GuidelinesThis manual contains notices which you should observe to ensure your own personal safety, aswell as to protect the product and connected equipment. These notices are highlighted in themanual by a warning triangle and are marked as follows according to the level of danger:DangerDanger indicates an imminently hazardous situation which, if not avoided, will result in death orserious indicates a potentially hazardous situation which, if not avoided, could result in death orserious used with the safety alert symbol indicates a potentially hazardous situation which, if notavoided, may result in minor or moderate used without the safety alert symbol indicates a potentially hazardous situation which, ifnot avoided, may result in property indicates a potential situation which, if not avoided.

3 May result in an undesirable result PersonnelOnlyqualified personnelshould be allowed to install and work on this equipment. Qualified per-sons 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 UsageNote the following:WarningThis device and its components may only be used for the applications described in the catalogor the technical descriptions, and only in connection with devices or components from othermanufacturers which have been approved or recommended by product can only function correctly and safely if it is transported, stored, set up, andinstalled correctly, and operated and maintained as , SIMATIC HMI and SIMATIC NET are registered trademarks of SIEMENS of other designations used in these documents are also registered trademarks.

4 The owner s rights may beviolated if they are used by third parties for their own have checked the Contents of this manual for agreement with the hardware andsoftware described. Since deviations cannot be precluded entirely, we cannot gua-rantee full agreement. However, the datain thismanual arereviewed regularly andany necessary corrections included in subsequent editions. Suggestions for impro-vement are of LiabilityCopyright Siemens AG 2004 All rights reservedThe reproduction, transmission or use of this document or its Contents is notpermitted without express written authority.

5 Offenders will be liable for rights, including rights created by patent grant or registration of a utility modelor design, are AGBereich Automation and DrivesGeschaeftsgebiet Industrial Automation SystemsPostfach 4848, D- 90327 Nuernberg Siemens AG 2004 Technical data subject to Aktiengesellschaft6ES7298-8FA24-8BH0iiiP refacePurpose of the manualThe S7-200 series is a line of micro-programmable logic controllers (Micro PLCs) that can controla variety of automation applications. Compact design, low cost, and a powerful instruction setmake the S7-200 a perfect solution for controlling smallapplications.

6 The wide variety of S7-200models and the Windows-based programming tool give you the flexibility youneed to solve yourautomation manual provides information about installing and programming the S7-200 Micro PLCs andis designed for engineers, programmers, installers, and electricians who have a generalknowledge of programmable logic Basic KnowledgeTo understand this manual , it is necessary to have a general knowledge of automation andprogrammable logic of the ManualThis manual is valid for STEP 7--Micro/WIN, version and the S7-200 CPU product family. Fora complete list of the S7-200 products and order numbers described in this manual , seeAppendix compared to the previous versionThis manual has been revised to include the following.

7 S7-200 CPU models CPU 221, CPU 222, CPU 224, CPU 224XP, and CPU 226 to include:New CPU hardware support: option to turn off run mode edit to get more program memory,CPU 224XP supports onboard analog I/O and two communication ports. CPU 226 includesadditional input filters and pulse catch. New memory cartridge support: S7-200 Explorer browser utility, memory cartridge transfers,compares, and programming selections STEP 7--Micro/WIN, version , a 32-bit programming software package for the S7-200 toinclude:New and improved tools that support the latest CPU enhancements: PID Auto-TuningControl Panel, PLCs built-in Position Control Wizard, Data Log Wizard, and Recipe WizardNew diagnostic tool: configuring diagnostic LEDNew instructions.

8 Daylight Savings time (READ_RTCX and SET_RTCX), Interval Timers(BITIM, CITIM), Clear Interrupt Event (CLR_EVNT), and Diagnostic LED (DIAG_LED)POU and library enhancements: new string constants, added indirect addressing supporton more memory types, improved support of the USS library read and write parametizationfor Siemens master drivesImproved Data Block: Data Block Pages, Data Block auto-incrementImproved usability of STEP 7--Micro/WINS7-200 Programmable Controller System ManualivCertificationThe SIMATIC S7-200 products have the following certification: Underwriters Laboratories, Inc.

9 UL 508 Listed (Industrial Control Equipment),Registration number E75310 Canadian Standards Association: CSA 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 TipThe SIMATIC S7-200 series meets the CSA cULus logo indicates that the S7-200 has been examined and certified by UnderwritersLaboratories (UL) to standards UL 508 and CSA No. LabelingThe SIMATIC S7-200 products fulfill the requirements and protection guidelines of the followingEU directives: EC Directive 73/23/EEC Low--voltage directive EC Directive 89/336/EEC EMC directive Consult your local Siemens representative regarding product compliance for the EuropeanCommunity ATEX Directive 94/9 SIMATIC S7-200 products are compliant with requirements of the AS/NZS 2064 (Australian).

10 The SIMATIC S7-200 products fulfill the requirement and criteria of IEC 61131--2, Programmablecontrollers -- Equipment to Appendix A for additional compliance of this Documentation in the Information EnvironmentProductFamilyDocumentationOrd er NumberS7--200TP070 Touch Panel User manual (English)6AV6 591--1DC01--0AB0TP170 micro Operating manual (English)6AV6 691--1DB01--0AB0S7-200 Point-to-Point Interface Communication manual (English/German)6ES7 298--8GA00--8XH0CP 243--2 SIMATIC NET AS-Interface Master manual (English)6GK7 243--2AX00--8BA0CP 243--1 IT Internet Module (with electronic documentation on CD)6GK7 243--1GX00--0XE0CP 243--1 Ethernet Module (with electronic documentation on CD)6GK7 243--1GX00--0XE0S7-200 Programmable Controller System manual (English)6ES7 298--8FA24--8BH0 PrefacevFinding Your WayIf you are a first-time user of S7-200 Micro PLCs, you should read the entireS7-200 Programmable Controller System manual .