Siemens S7-200PLC Manual do Utilizador descarregar pdf (Página 2)

Table of Contents
 Objective                                                                                                                                                 ...........................................................................................................................................   3  
 Hardware requirements                                                                                                                          ....................................................................................................................   3  
1  general                                                                                                                                              ........................................................................................................................................   3  
2  Specific to the S7-200 family                                                                                                             .......................................................................................................   4  
 Software requirements                                                                                                                           .....................................................................................................................   5  
 PLC protocol compatibility                                                                                                                    ..............................................................................................................   5  
1  eWON with MPI port                                                                                                                          ....................................................................................................................   5  
2  eWON with serial port                                                                                                                       .................................................................................................................   5  
 Implementation steps                                                                                                                             .......................................................................................................................   6  
1  Step 1 - Configuring the IO Server                                                                                                    ..............................................................................................   6  
2  Step 2 - Linking the PLC with the eWON                                                                                         ...................................................................................   10   
2.1 Introduction                                                                                                                          ....................................................................................................................   10   
2.2 PPI link                                                                                                                                 ..........................................................................................................................   10   
2.3 ISOTCP Ethernet link                                                                                                           ....................................................................................................   10   
3  Step 3 - Creating tags in the eWON                                                                                                ..........................................................................................   11   
 Step 4. Monitoring tags                                                                                                                        ..................................................................................................................   14   
 Troubleshooting tags in error                                                                                                              ........................................................................................................   15   
 Appendix 1 – Syntax of S7-200 tag addresses                                                                                   .............................................................................   17   
1  General tag address format                                                                                                             .......................................................................................................   17   
2  Memory types                                                                                                                                  ............................................................................................................................   17   
3  Modifiers                                                                                                                                         ...................................................................................................................................   17   
4  Examples                                                                                                                                        ..................................................................................................................................   18   
5  Bit access modifier                                                                                                                          ....................................................................................................................   18   
6  Status register                                                                                                                                 ...........................................................................................................................   18   
 Appendix 2 – PPI cables                                                                                                                       .................................................................................................................   19   
1  Standard serial eWON                                                                                                                    ..............................................................................................................   19   
2  eWON with MPI port                                                                                                                        .................................................................................................................   19   
Polling Data Registers from Siemens S7-200 PLC Series (How to) Page 2/21