Range
Tolerance
1)
28 Bit or 0 to 2 68 435 455 decimal for IEC 60870-5-103 (VDEW
protocol)
31 Bit or 0 to 2 147 483 647 for other protocols (other than
VDEW)
≤ 2 % for Ι > 0.1 Ι
N
, V > 0.1 V
N
and
| cos φ | ≥ 0.707
1)
at nominal frequency
Switching Statistics
Saved Number of Trips up to 9 digits
Number of Automatic Reclosing Commands
(segregated according to 1st and ≥ 2nd cycle)
up to 9 digits
Accumulated Interrupted Current (segregated
according to pole)
up to 4 digits
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
- Creation of messages
Clock
Time synchronization
Binary input
Communication
Modes of operation for time tracking
No. Mode of operation Explanations
1 Internal Internal synchronization using RTC (presetting)
2 IEC 60870-5-103 External synchronization using port B (IEC 60870-5-103)
3 Pulse via binary input External synchronization with pulse via binary input
4 Fieldbus (DNP (serial or DNP3 TCP),
Modbus, IEC 60870-5-103 redundant)
External synchronization using field bus
Technical Data
4.23 Auxiliary Functions
SIPROTEC 4, 7SJ80, Manual 419
E50417-G1140-C343-A8, Edition 12.2017
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