Siemens SENTRON VL Series System Manual page 6

Table of contents
6 PROFIBUS data transfer ....................................................................................................................... 123
6.1 Integration of the circuit breakers into a communication system .............................................. 123
6.2 Communication ......................................................................................................................... 123
6.3 Communication with a PROFIBUS DP class 1 master............................................................. 124
6.4 Communication with a PROFIBUS DP class 2 master............................................................. 125
6.5 Integration with the GSD file ..................................................................................................... 125
6.6 The three communication paths................................................................................................ 129
6.7 Setting and changing the PROFIBUS address of the COM15/COM20.................................... 131
6.8 PROFIBUS profile for SENTRON circuit breakers.................................................................... 135
6.9 Cyclic data traffic....................................................................................................................... 135
7 Data transfer to the PLC ........................................................................................................................ 143
7.1 Interface to S7-300 and control/diagnosis via PROFIBUS ....................................................... 143
7.1.1 Creating a new project .............................................................................................................. 143
7.1.2 Hardware configuration in HW Config....................................................................................... 146
7.1.3 Interface setting for initial configuration of a CPU via MPI........................................................ 152
7.2 Control program example.......................................................................................................... 154
7.2.1 Control program example.......................................................................................................... 154
7.2.2 Procedure for opening the programming tool ........................................................................... 154
7.2.3 Using cyclic data ....................................................................................................................... 155
7.2.4 Read data sets .......................................................................................................................... 157
7.2.5 Write data sets .......................................................................................................................... 159
7.2.6 Reading out diagnostics............................................................................................................ 160
7.2.7 Sync/Unsync/Freeze/Unfreeze ................................................................................................. 161
7.3 Functional sequences/description of functions ......................................................................... 164
7.3.1 Diagnostic messages ................................................................................................................ 164
7.3.2 SYNC and FREEZE .................................................................................................................. 171
7.3.3 Time synchronization ................................................................................................................ 172
8 Data library ............................................................................................................................................ 175
8.1 Chapter overview ...................................................................................................................... 175
8.2 Scaling....................................................................................................................................... 176
8.3 Abbreviations of the data sources............................................................................................. 176
8.4 Units .......................................................................................................................................... 177
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3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02