Table of Contents
xii
7SS52 V4 Manual
C53000-G1176-C182-3
5.16 Overcurrent Protection in the Bay Unit ............................................................................... 188
5.16.1 Functional Description ........................................................................................................ 188
5.16.2 Setting Notes ...................................................................................................................... 190
5.16.3 Settings of the Bay Unit ...................................................................................................... 195
5.16.4 List of Information from the Bay Unit .................................................................................. 196
5.17 User-Defined Annunciations............................................................................................... 197
5.17.1 Functional Description ........................................................................................................ 197
5.17.2 Setting Notes ...................................................................................................................... 199
5.17.3 Settings of the Bay Unit ...................................................................................................... 200
5.17.4 List of Information from the Bay Unit .................................................................................. 201
5.18 Backup Breaker Failure Protection in the Bay Unit............................................................. 202
5.18.1 Functional Description ........................................................................................................ 202
5.18.2 Setting Notes ...................................................................................................................... 206
5.18.3 Settings of the Central Unit................................................................................................. 207
5.18.4 List of Information from the Central Unit............................................................................. 207
5.18.5 Settings of the Bay Unit ...................................................................................................... 207
5.18.6 List of Information from the Bay Unit .................................................................................. 208
6 Control During Operation................................................................................................................ 209
6.1 Overview............................................................................................................................. 210
6.2 Reading Out Information..................................................................................................... 212
6.2.1 Annunciations..................................................................................................................... 212
6.2.1.1 Operational Annunciations.................................................................................................. 214
6.2.1.2 Fault events ........................................................................................................................ 216
6.2.1.3 Alarm List............................................................................................................................ 217
6.2.1.4 General Interrogation.......................................................................................................... 218
6.2.1.5 Spontaneous Annunciation.................................................................................................218
6.2.1.6 Statistics ............................................................................................................................. 219
6.2.2 Reading Out Measured Values........................................................................................... 219
6.2.3 Reading Out Fault Data...................................................................................................... 221
6.3 Controlling Device Functions.............................................................................................. 225
6.3.1 Creating an Oscillographic Record..................................................................................... 225
6.3.2 Blocking .............................................................................................................................. 226
6.3.2.1 Blocking the TRIP Command ............................................................................................. 226
6.3.2.2 Blocking the Breaker Failure Protection ............................................................................. 230
6.3.2.3 Blocking of Individual Busbar Sections............................................................................... 232
6.3.3 Saving and Deleting Annunciations.................................................................................... 233
6.3.3.1 Saving Annunciations ......................................................................................................... 233
6.3.3.2 Deleting Annunciations....................................................................................................... 234
6.3.4 Circuit Breaker Test............................................................................................................ 235
6.3.5 Reset Blocking.................................................................................................................... 237
6.3.5.1 Reset Blocking of Differential Current Supervision............................................................. 237
6.3.5.2 Reset Blocking of Isolator Fault.......................................................................................... 238
6.3.6 Trigger Initial Start and Restart........................................................................................... 238
6.3.7 Read and Set Date / Time..................................................................................................239
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