ABB RELION REX640, Technical Manual, Page: 1475 / 1960

Name Type Values (Range) Unit Description
I0_HIGH_WARN BOOLEAN
0=False
1=True
Zero sequence high
warning
I2_INST FLOAT32 0.00...40.00 xIn Negative sequence cur-
rent amplitude, instan-
taneous value
I2_ANGL FLOAT32 -180.00...180.00 deg Negative sequence cur-
rent angle
I2_DB FLOAT32 0.00...40.00 xIn Negative sequence cur-
rent amplitude, dead-
band value
I2_RANGE Enum
0=normal
1=high
2=low
3=high-high
4=low-low
Negative sequence cur-
rent amplitude range
I1_INST FLOAT32 0.00...40.00 xIn Positive sequence cur-
rent amplitude, instan-
taneous value
I1_ANGL FLOAT32 -180.00...180.00 deg Positive sequence cur-
rent angle
I1_DB FLOAT32 0.00...40.00 xIn Positive sequence cur-
rent amplitude, dead-
band value
I1_RANGE Enum
0=normal
1=high
2=low
3=high-high
4=low-low
Positive sequence cur-
rent amplitude range
I0_INST FLOAT32 0.00...40.00 xIn Zero sequence current
amplitude, instantane-
ous value
I0_ANGL FLOAT32 -180.00...180.00 deg Zero sequence current
angle
I0_DB FLOAT32 0.00...40.00 xIn Zero sequence current
amplitude, deadband
value
I0_RANGE Enum
0=normal
1=high
2=low
3=high-high
4=low-low
Zero sequence current
amplitude range
8.1.11.8 Technical data
Table 1420: CSMSQI Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured
current: f/f
n
= ±2 Hz
±1.0 % 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,…
1MRS759142 F Measurement functions
REX640
Technical Manual
1475