Technical data7SV512
V1
C53000---G1176---C9122
3.4 Ancillary functions
Output of measured values
Operational values of currents I
L1
, I
L2
, I
L3
, and I
E
(if connected)
in A primary and in % I
N
Measuring tolerances ± 2 % of rated value
Measured values plausibility checks
--- Sum of currents phases and earth
Steady-state measured value supervision
Current unbalance I
max
/I
min
> symmetry factor
as long as I > I
limit
Fault event data storage
Storage of annunciations of the last three faults
Real time clock (optional)
Resolution for operational annunciations 1 min
Resolution for fault event annunciations 1 ms
Clock module (optional) DALLAS Type DS 138 --- 32k
RAMifield TIMEKEEPER
Self-discharge time >10 years
Max time deviation 0.01 %
Data storage for fault recording
Storage period (fault detection = 0 ms), max.
--- for operating interface ---100 ms to +2900 ms at 50 Hz
--- 83 ms to +2416 ms at 60 Hz
--- for LSA interface --- 60 ms to + 600 ms at 50 Hz
--- 50 ms to + 500 ms at 60 Hz
Sampling rate 1 instantaneous value per ms at 50 Hz
1 instantaneous value per 0.83 ms at 60 Hz
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