ABB RELION 620 Series Technical Manual page 954

Section 8
Measurement functions
Table 915: RESCMMXU Non group settings (Advanced)
Parameter
Measurement mode
8.1.7.5
8.1.7.6
948
Values (Range) Unit
1=RMS
2=DFT
Monitored data
Table 916: RESCMMXU Monitored data
Name
Io-A
I_INST_RES
I_ANGL_RES
I_DB_RES
I_DMD_RES
I_RANGE_RES
Max demand Io
Min demand Io
Time max demand Io
Time min demand Io
Technical data
Table 917: RESCMMXU Technical data
Characteristic
Operation accuracy
Suppression of harmonics
Step Default
2=DFT
Type Values (Range)
FLOAT32 0.00...40.00
FLOAT32 0.00...40.00
FLOAT32 -180.00...180.00
FLOAT32 0.00...40.00
FLOAT32 0.00...40.00
Enum 0=normal
1=high
2=low
3=high-high
4=low-low
FLOAT32 0.00...40.00
FLOAT32 0.00...40.00
Timestamp
Timestamp
Value
At the frequency f = f
±0.5% or ±0.002 × I
(at currents in the range of 0.01...4.00 × I
DFT: -50 dB at f = n × f
RMS: No suppression
1MRS757644 F
Description
Selects used measurement mode
Unit Description
xIn Measured residual
current
xIn Residual current
Amplitude, magnitude of
instantaneous value
deg Residual current angle
xIn Residual current
Amplitude, magnitude of
reported value
xIn Demand value of residual
current
Residual current
Amplitude range
xIn Maximum demand for
residual current
xIn Minimum demand for
residual current
Time of maximum
demand residual current
Time of minimum
demand residual current
n
n
, where n = 2, 3, 4, 5,...
n
Technical Manual
)
n
620 series