Siemens SIPROTEC 7UT613 series Manual page 490

4 Technical Data
Real Time Clock and Buffer Battery
Time Synchronisation
Commissioning Aids
Energy Meter
Operating Hours Counter
Trip Circuit Supervision
490
Resolution for operational messages
Resolution for fault messages
Back-up Battery
Internal
IEC 60870-5-103
IEC 61850
Time signal IRIG B
Time signal DCF 77
Time signal synchro-box
Pulse via binary input
Operational measured values
Circuit breaker test
Four-Quadrant Meter
Tolerance
Display Range
Criterion
Number of monitorable circuits
1 ms
1 ms
Lithium battery 3 V/1 Ah, type CR 1/2 AA
self-discharging time approx. 10 years
Internal using RTC (default)
External using system interface
External synchronisation via the system inter-
face (IEC 61850)
External via IRIG B
(telegram format IRIG-B800)
External via time signal DCF 77
External using time signal SIMEAS Sync. box
External with impulse via binary input
W , W , W , W
P+ P– Q+ Q–
1 %
up to 6 digits
Overshoot of an adjustable current threshold (CB
I>)
1
with one or two binary inputs
7UT613/63x Manual
C53000-G1176-C160-2