Siemens 7SR224 Technical Manual page 5

4.2 Manual Close ........................................................................................................................................ 47
4.3 Synchronising ....................................................................................................................................... 47
4.3.1 Reclosure Modes .................................................................................................................... 47
4.3.2 Charge Delays ........................................................................................................................ 48
4.3.3 Voltage monitoring elements................................................................................................... 48
4.3.4 Sync Override Logic................................................................................................................ 48
4.3.5 Check Synchronising Mode .................................................................................................... 49
4.3.6 System Split Detector ............................................................................................................. 49
4.3.7 System Sync Reversion .......................................................................................................... 50
4.3.8 System Synchronising Mode................................................................................................... 50
4.3.9 Close on Zero Mode ............................................................................................................... 51
4.4 Circuit Breaker ...................................................................................................................................... 52
4.5 Quick Logic ........................................................................................................................................... 54
Section 5: Supervision Functions........................................................................................................................... 56
5.1 Circuit Breaker Failure (50BF) .............................................................................................................. 56
5.2 VT Supervision (60VTS) ....................................................................................................................... 57
5.3 Busbar VT Fail (60VTF-Bus)................................................................................................................. 59
5.4 CT Supervision (60CTS) ....................................................................................................................... 59
5.5 Broken Conductor (46BC)..................................................................................................................... 60
5.6 Trip Circuit Supervision (74TCS) .......................................................................................................... 60
5.7 Inrush Detector (81HBL2) ..................................................................................................................... 61
5.8 Battery Test........................................................................................................................................... 62
5.9 Capacitor Test....................................................................................................................................... 63
5.10 Power Quality (27S/59S)....................................................................................................................... 64
5.11 Demand ................................................................................................................................................ 64
Section 6: Other Features ...................................................................................................................................... 65
6.1 Data Communications........................................................................................................................... 65
6.2 CB Maintenance ................................................................................................................................... 65
6.3 Output Matrix Test ................................................................................................................................ 65
6.4 Data Storage......................................................................................................................................... 66
6.4.1 General ................................................................................................................................... 66
6.4.2 Event Records ........................................................................................................................ 66
6.4.3 Waveform Records. ................................................................................................................ 66
6.4.4 Fault Records.......................................................................................................................... 67
6.4.5 Data Log ................................................................................................................................. 67
6.5 Metering ................................................................................................................................................ 67
6.6 Operating Mode .................................................................................................................................... 68
6.7 Control Mode ........................................................................................................................................ 68
6.8 Real Time Clock.................................................................................................................................... 69
6.8.1 Time Synchronisation - IEC 60870-5-103 & DNP3.0 .............................................................. 69
6.8.2 Time Synchronisation - Binary Input ...................................................................................... 69
6.8.3 Time Synchronisation - IRIG-B (Optional) .............................................................................. 69
6.9 Settings Groups .................................................................................................................................... 69
6.10 Password Feature ................................................................................................................................. 70
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7SR224 Argus Description of Operation
Chapter 1 Page 3 of 70