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Technical Data
4.26 Additional Functions
Real Time Clock and Buffer Battery
Resolution for operational messages
Resolution for fault messages
Back-up battery
Commissioning aids
Operational Measured Values
Switching device test
Time synchronisation/Clock
Time Synchronization
Operating modes of the clock management
No. Operating mode
1
Internal
2
IEC 60870-5-103
3
Time signal IRIG B
4
Time signal DCF 77
5
Time signal synchro-box
6
Pulse via binary input
7
Ethernet NTP
636
1 ms
1 ms
Type: 3 V/1 Ah, Type CR 1/2 AA
Self-discharging time approx. 10 years
DCF 77/IRIG-B-Signal
Binary Input
Communication
Explanations
Internal synchronisation via RTC or Timing Master
External synchronisation via system interface (IEC 60870-5-103) or Timing Master
External synchronisation via IRIG B (telegram format IRIG-B000) or Timing Master
External synchronization via DCF 77 or Timing Master
External synchronisation using SIMEAS Sync. box or Timing Master
External synchronisation with pulse via binary input or Timing Master
External synchronisation using system interface (IEC 61850)
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
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