SIMATIC S7-300 Automation System, Hardware and ...

1 S Contents Preface 1 Guide to the S7-300 Documentation 2 installation Order 3 S7-300 Modules 4 Configuring 5 installation 6 Wiring 7 Addressing 8 Commissioning 9 Maintenance 10 Testing functions and Diagnostics 11 Appendix 12 Glossary 13 Index SIMATIC S7-300 Automation System, Hardware and installation : CPU 312 IFM - 318-2 DP installation Manual This manual is part of the documentation package with the order number: 6ES7398-8FA10-8BA0 Edition 06/2003 A5E00203919-01 This documentation can no longer be ordered under the given number! Safety Guidelines This manual contains notices intended to ensure personal safety, as well as to protect the products and connected equipment against damage.

2 These notices are highlighted by the symbols shown below and graded according to severity by the following texts: ! 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 can result if proper precautions are not taken. Caution indicates that property damage can result if proper precautions are not taken. Notice draws your attention to particularly important information on the product, handling the product, or to a particular part of the documentation.

3 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 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.

4 Trademarks SIMATIC , SIMATIC HMI and SIMATIC NET 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. Copyright Siemens AG 2002 All rights reserved 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. Siemens AG Disclaimer of Liability We have checked the contents of this manual for agreement with the Hardware and software described.

5 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. Bereich Automation and Drives Geschaeftsgebiet Industrial Automation Systems Postfach 4848, D- 90327 Nuernberg Siemens AG 2003 Technical data subject to change. Siemens Aktiengesellschaft A5E00203919-01 S7-300 Automation System, Hardware and installation : CPU 312 IFM - 318-2 DP A5E00203919-01 iii 8 r Q rshpr !

6 B vqr ur T& " 9 p r h v ! " D hyyh v P qr " # T& " H q yr # $ 8 svt v t $ Summary of the Content ..5-1 Basic Principles of Planning ..5-2 Component Dimensions ..5-4 Arranging modules on a single rack ..5-7 Arranging Modules on Multiple Selection and installation of cabinets ..5-12 Example: Selecting a Cabinet ..5-15 Electrical assembly, protective measures and grounding ..5-17 Grounding concept and overall structure ..5-17 Installing the S7-300 with grounded reference potential (except for CPU 312 IFM) ..5-19 Isolated or non-isolated modules.

7 5-22 Grounding measures ..5-25 Overview: Selecting the Load Power Supply ..5-30 Planning Subnets ..5-32 Extending and networking subnets ..5-32 Basic principles of MPI and DP subnets ..5-34 Network Components ..5-39 Cable length ..5-42 Sample networks ..5-44 % D hyyh v % Installing an Installing the Installing modules on the Label the modules ..6-9 8 r S7-300 Automation System, Hardware and installation : CPU 312 IFM - 318-2 DP iv A5E00203919-01 & Xv v t & Wiring ..7-1 Connecting the Protective Conductor to the Rail.

8 7-4 Adjusting the Power Supply Module to the Mains Voltage ..7-5 Wiring the power supply module and the CPU ..7-6 Wiring Front Connectors ..7-8 Inserting Front Connectors into Modules ..7-12 Labeling the Module I/O ..7-13 Connecting shielded cables to the shielding contact element ..7-14 Wiring the Bus Connector ..7-17 ' 6qq r v t ' Slot-defined addressing of modules ..8-1 User-defined addressing of modules ..8-3 Addressing Signal Modules ..8-3 Addressing the Integrated I/O of the Consistent Data ..8-7 ( 8 v v v t ( In this Chapter ..9-1 Commissioning Commissioning Checklist.))

9 9-4 Insert the back-up battery or rechargeable battery ..9-5 Inserting and replacing a memory card ..9-7 Commissioning the modules ..9-8 Connecting the PG ..9-8 Initial power on..9-12 Memory reset by means of the CPU mode selector switch ..9-13 Starting SIMATIC Manager ..9-17 Monitoring and controlling Commissioning PROFIBUS DP ..9-23 Commissioning PROFIBUS DP ..9-23 Commissioning the CPU as DP master ..9-24 Commissioning the CPU as DP slave ..9-27 Direct Data Exchange ..9-33 Hhv r h pr In this Chapter ..10-1 Backup of the CPU operating system ..10-1 Updating the Operating System ..10-3 Module replacement.

10 10-4 Replacing the back-up battery or rechargeable battery (CPUs with MC only) ..10-9 Digital output module AC 120/230 V: Replacing the fuses ..10-11 8 r S7-300 Automation System, Hardware and installation : CPU 312 IFM - 318-2 DP A5E00203919-01 v Ur v t s p v h q 9vht vp In this Chapter ..11-1 Overview: Testing functions ..11-1 Overview: Diagnostics ..11-4 Diagnostic options with STEP 7 ..11-6 Diagnostics with Diagnostics of DP CPUs ..11-12 Diagnostics of DP CPUs operating as DP master ..11-12 Reading Slave Diagnostic Interrupts on the DP Master ..11-21 Structure of the slave diagnostic data when the CPU is used as an intelligent slave.