Siemens SIPROTEC 4 7SJ61 - Page 338

Motor start-up data:
- Start-up time
- Start-up current (primary)
- Start-up voltage (primary)
of the last 5 start-ups
0.30 s to 9999.99 s
0 A bis 1000 kA
0 V bis 100 kV
Resolution 10 ms
Resolution 1 A
Resolution 1 V
Operating Hours Counter
Display Range Up to 7 digits
Criterion Overshoot of an adjustable current threshold (element
50-1, BkrClosed I MIN)
Circuit Breaker Maintenance
Calculation methods
on true r.m.s value basis: ΣΙ, ΣΙ
x
, 2P;
on instantaneous value basis: Ι
2
t
Acquisition/conditioning of measured values phase-selective
Evaluation one threshold per subfunction
Number of saved statistic values up to 13 digits
Trip Circuit Supervision
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
DCF 77/ IRIG B-Signal
Binary Input
Communication
Operating Modes for Time Tracking
No. Operating Mode Explanations
1 Internal Internal synchronization using RTC (presetting)
2 IEC 60870-5-103 External synchronization using system interface (IEC
60870-5-103)
3 PROFIBUS FMS External synchronization using PROFIBUS-Schnittstelle
4 Time signal IRIG B External synchronization using IRIG B
5 Time signal DCF77 External synchronization using DCF 77
6 Time signal Sync.-Box External synchronization via the time signal SIMEAS-
Synch.Box
7 Pulse via binary input External synchronization with pulse via binary input
8 Fieldbus (DNP (serial or DNP3 TCP,
Modbus, IEC 60870-5-103 redundant)
External synchronization using field bus
9 SNTP (IEC 61850, DNP3 TCP,
PROFINET IO)
External synchronization using system interface (IEC
61850)
Setting Group Change Option of the Functional Settings
Number of Available Setting Groups
4 (parameter group A, B, C and D)
Technical Data
4.20 Auxiliary Functions
338 SIPROTEC 4, 7SJ61, Manual
C53000-G1140-C210-6, Edition 05.2016