Siemens SIPROTEC 7SJ61 Manual page 363

Operating Hours Counter
Display Range
Criterion
Circuit Breaker Maintenance
Calculation methods
Acquisition/conditioning of measured values
Evaluation
Number of saved statistic values
Trip Circuit Monitoring
With one or two binary inputs.
Commissioning Aids
- Phase rotation field check
- Operational measured values
- Circuit breaker test by means of control function
- Creation of a test measurement report
Clock
Time Synchronization
Operating Modes for Time Tracking
No. Operating Mode
1 Internal
2 IEC 60870-5-103
3 PROFIBUS FMS
4 Time signal IRIG B
5 Time signal DCF77
6 Time signal Sync. Box
7 Pulse via binary input
8 Field bus (DNP, Modbus)
9 NTP (IEC 61850)
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
Up to 7 digits
Overshoot of an adjustable current threshold (element 50-1, BkrClosed I MIN)
on true r.m.s value basis: ΣI, ΣI
on instantaneous value basis: I
phase-selective
one threshold per subfunction
up to 13 digits
DCF 77/IRIG B-Signal (telegram format IRIG-B000)
Binary Input
Communication
Explanations
Internal synchronization using RTC (presetting)
External synchronization using system interface (IEC 60870-5-103)
External synchronization using PROFIBUS interface
External synchronization using IRIG B
External synchronization using DCF 77
External synchronization via the time signal SIMEAS-Synch.Box
External synchronization with pulse via binary input
External synchronization using field bus
External synchronization using system interface (IEC 61850)
Technical Data
4.20 Additional Functions
x
, 2P;
2
t
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