Time Allocation
Resolution for operational indications 1 ms
Resolution for fault indications 1 ms
Maximum time deviation (internal clock) 0.01 %
Maximum time deviation (internal clock) Lithium-Batterie Typ CR2032, 3 V, 230 mAh
indication “Fail Battery” if the battery is not charged suffi-
ciently
Fault Recording
max. 8 fault records saved by buffer battery also in the event of auxiliary voltage failure
Storage period 6 s per fault record, in total up to 18 s at 50 Hz
(max. 15 s at 60 Hz)
Sampling rate at 50 Hz
Sampling rate at 60 Hz
each 1 instantaneous value per 1.0 ms
each 1 instantaneous value per 0.83 ms
Energy Counter
Meter Values for Energy
Wp, Wq (real and reactive energy)
in kWh (MWh or GWh) or in kVARh (MVARh or GVARh)
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
Stored number of trips
up to 9 decimal places
Operating Hours Counter
Display range
up to 7 decimal places
Criterion
Exceeding an adjustable current threshold (CB Ι>)
Trip Circuit Supervision
With one or two binary inputs
Commissioning Aids
- Phase-sequence check
- Operational measured values
- Circuit breaker test via control
- Creating a test fault record
- Generating indications
Clock
Clock
Binary input
Communication
Technical Data
4.23 Additional Functions
574 SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017