Table of contents
3WL/3VL circuit breakers with communication capability - PROFIBUS
6 System Manual, 03/2011, A5E01051353-02
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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