Siemens SIMATIC S7-300 Hardware And Installation Manual page 4

Contents
7.5 Wiring front connectors .....................................................................................7-8
7.6 Inserting front connectors into modules ..........................................................7-11
7.7 Labeling the module I/Os ................................................................................7-12
7.8 Connecting shielded cables to the shielding contact element ........................7-13
7.9 Wiring the bus connector ................................................................................7-16
8 Addressing ......................................................................................................................8-1
8.1 Addressing ........................................................................................................8-1
8.2 Slot-defined addressing of modules..................................................................8-1
8.3 Introduction........................................................................................................8-1
8.4 User-defined addressing of modules ................................................................8-3
8.5 Addressing signal modules ...............................................................................8-4
8.6 Addressing the integrated I/O of the CPU.........................................................8-8
8.7 Consistent data ...............................................................................................8-11
9 Commissioning...............................................................................................................9-1
9.1 In this Chapter ...................................................................................................9-1
9.2 Commissioning procedure ................................................................................9-1
9.3 The commissioning checklist ............................................................................9-4
9.4 Insert the back-up battery or rechargeable battery ...........................................9-6
9.5 Inserting or replacing a Memory Card or Micro Memory Card..........................9-7
9.6 Commissioning the modules ...........................................................................9-10
9.6.1 Connecting the PG ..........................................................................................9-10
9.6.2 Initial power on. ...............................................................................................9-13
9.6.3 Resetting CPU memory ..................................................................................9-15
9.6.4 Starting SIMATIC Manager .............................................................................9-20
9.6.5 Monitoring and controlling I/Os .......................................................................9-21
9.7 Commissioning PROFIBUS DP ......................................................................9-26
9.7.1 Commissioning the CPU as DP master ..........................................................9-27
9.7.2 Commissioning the CPU as DP slave.............................................................9-30
9.7.3 Direct data exchange ......................................................................................9-36
10 Maintenance ..................................................................................................................10-1
10.1 In this Chapter .................................................................................................10-1
10.2 Operating System back-up..............................................................................10-2
10.3 Updating the Operating System ......................................................................10-3
10.4 Module replacement........................................................................................10-5
10.5 Replacing the back-up battery or rechargeable battery (CPUs with MC only)10-9
10.6 Digital output module AC 120/230 V: Replacing the fuses ...........................10-12
11 Testing functions, Diagnostics and Fault Elimination..............................................11-1
11.1 In this Chapter .................................................................................................11-1
11.2 Overview: Testing functions ............................................................................11-1
11.3 Overview: Diagnostics.....................................................................................11-4
11.4 Diagnostic options with STEP 7 ......................................................................11-6
11.5 Diagnostics with LEDs ....................................................................................11-7
11.6 Diagnostics of DP CPUs ...............................................................................11-12
11.6.1 Diagnostics of DP CPUs operating as DP master ........................................11-12
11.6.2 Interrupts on the DP master ..........................................................................11-22
12 Appendix .......................................................................................................................12-1
12.1 Assembly.........................................................................................................12-1
12.1.1 General rules and regulations for S7-300 operation .......................................12-1
12.2 Protection against electromagnetic interference.............................................12-3
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S7-300 Programmable Controller Hardware and Installation
A5E00105492-02