ABB Relion 620 Series - Page 938

Name Type Values (Range) Unit Description
I_RANGE_B Enum
0=normal
1=high
2=low
3=high-high
4=low-low
IL2 Amplitude
range
I_INST_C FLOAT32 0.00...40.00 xIn IL3 Amplitude,
magnitude of in-
stantaneous val-
ue
I_ANGL_C FLOAT32 -180.00...180.00 deg IL3 current angle
I_DB_C FLOAT32 0.00...40.00 xIn IL3 Amplitude,
magnitude of re-
ported value
I_DMD_C FLOAT32 0.00...40.00 xIn Demand value of
IL3 current
I_RANGE_C Enum
0=normal
1=high
2=low
3=high-high
4=low-low
IL3 Amplitude
range
8.1.4.6 Technical data
Table 897: CMMXU Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured current: f
n
±2
Hz
±0.5 % or ±0.002 × I
n
(at currents in the range of 0.01...4.00 × I
n
)
Suppression of harmonics
DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
RMS: No suppression
Measurement functions 1MRS757644 H
938 620 series
Technical Manual