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6
excom® – Start-up
6.1
Characteristics of the PROFIBUS-DP .................................................................................................. 222
6.2
Setting of PROFIBUS-DP address ....................................................................................................... 223
6.2.1
6.2.2
6.2.3
Assignment of internal module address.......................................................................................................................................223
Access to the I/O-addresses...............................................................................................................................................................223
Connection of PROFIBUS-DP.............................................................................................................................................................224
6.3
Redundancy strategies for PROFIBUS-DP.......................................................................................... 225
6.3.1
6.3.2
6.3.3
Gateway redundancy...........................................................................................................................................................................225
Line redundancy – hardware ............................................................................................................................................................226
Systemredundancy – hardware .......................................................................................................................................................227
6.4
Line redundancy ................................................................................................................................ 228
6.4.1
6.4.2
6.4.3
Parametrization of excom® with line redundancy .....................................................................................................................228
Redundancy mode "off"......................................................................................................................................................................228
Redundancy mode "Line Redundancy" ........................................................................................................................................229
6.5
System redundancy ........................................................................................................................... 230
6.5.1
6.5.2
Parametrization of excom® with system redundancy ..............................................................................................................230
Redundancy modus "System Redundancy" ................................................................................................................................230
6.6
Redundancy monitoring .................................................................................................................... 231
6.6.1
6.6.2
Input word for the current status of the gateways ...................................................................................................................231
Output word for forcing a redundancy switch...........................................................................................................................232
6.7
Diagnoses per EN 61158 .................................................................................................................... 233
6.7.1
6.7.2
6.7.3
6.7.4
6.7.5
6.7.6
6.7.7
6.7.8
6.7.9
6.7.10
Principle of the diagnostic messages.............................................................................................................................................233
Structure of the diagnostic telegram.............................................................................................................................................233
Status diagnosis.....................................................................................................................................................................................237
Structure status H-machine...............................................................................................................................................................238
Identification-specific diagnosis ......................................................................................................................................................239
Channel-specific diagnosis ................................................................................................................................................................240
Structure of the alarm component .................................................................................................................................................241
Error codes per PROFIBUS-DP standard........................................................................................................................................242
Manufacturer-specific error codes ..................................................................................................................................................243
Redundancy status with "line redundancy" and "system redundancy" ............................................................................244
6.8
Dependance of bus length from the baud rate .................................................................................. 245
6.9
Use of GSD-files.................................................................................................................................. 245
6.10
Data formats with excom® .................................................................................................................. 246
6.10.1 Data formats of the digital modules ..............................................................................................................................................246
6.10.2 Data formats of the analog modules .............................................................................................................................................246
– Use of HART®-variables ..................................................................................................................................................................247
6.11
Configuration of a station.................................................................................................................. 247
6.11.1 Configuration of the gateway...........................................................................................................................................................247
6.11.2 Configuration of the I/O-modules...................................................................................................................................................248
6.12
Determination of the transmission rate and cycle time..................................................................... 249
D301266 0113 - excom®
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