xii 7SS52 V4 Manual
C53000-G1176-C182-1
5.16 Overcurrent Protection in the Bay Unit ............................................................................... 185
5.16.1 Functional Description ........................................................................................................ 185
5.16.2 Setting Notes ...................................................................................................................... 187
5.16.3 Settings of the Bay Unit ...................................................................................................... 191
5.16.4 List of Information from the Bay Unit .................................................................................. 193
5.17 User-Defined Annunciations............................................................................................... 194
5.17.1 Functional Description ........................................................................................................ 194
5.17.2 Setting Notes ...................................................................................................................... 195
5.17.3 Settings of the Bay Unit ...................................................................................................... 195
5.17.4 List of Information from the Bay Unit .................................................................................. 196
5.18 Backup Breaker Failure Protection in the Bay Unit............................................................. 197
5.18.1 Functional Description ........................................................................................................ 197
5.18.2 Setting Notes ...................................................................................................................... 200
5.18.3 Settings of the Central Unit................................................................................................. 200
5.18.4 List of Information from the Central Unit............................................................................. 201
5.18.5 Settings of the Bay Unit ...................................................................................................... 201
5.18.6 List of Information from the Bay Unit .................................................................................. 202
6 Control During Operation................................................................................................................ 203
6.1 Overview............................................................................................................................. 204
6.2 Reading Out Information..................................................................................................... 206
6.2.1 Annunciations ..................................................................................................................... 206
6.2.1.1 Operational Annunciations.................................................................................................. 208
6.2.1.2 Fault events ........................................................................................................................ 209
6.2.1.3 Alarm List............................................................................................................................ 211
6.2.1.4 General Interrogation.......................................................................................................... 211
6.2.1.5 Spontaneous Annunciation.................................................................................................212
6.2.1.6 Statistics ............................................................................................................................. 212
6.2.2 Reading Out Measured Values........................................................................................... 213
6.2.3 Reading Out Fault Data ...................................................................................................... 215
6.3 Controlling Device Functions .............................................................................................. 218
6.3.1 Creating an Oscillographic Record ..................................................................................... 218
6.3.2 Blocking .............................................................................................................................. 219
6.3.2.1 Blocking the TRIP Command ............................................................................................. 219
6.3.2.2 Blocking the Breaker Failure Protection ............................................................................. 222
6.3.2.3 Blocking of Individual Busbar Sections............................................................................... 224
6.3.3 Saving and Deleting Annunciations.................................................................................... 225
6.3.3.1 Saving Annunciations ......................................................................................................... 225
6.3.3.2 Deleting Annunciations ....................................................................................................... 226
6.3.4 Circuit Breaker Test ............................................................................................................ 227
6.3.5 Reset Blocking.................................................................................................................... 229
6.3.5.1 Reset Blocking of Differential Current Supervision............................................................. 229
6.3.5.2 Reset Blocking of Isolator Fault .......................................................................................... 230
6.3.6 Trigger Initial Start and Restart........................................................................................... 230
6.3.7 Read and Set Date / Time.................................................................................................. 231
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