ABB RELION 620 Series Technical Manual page 948

Section 8
Measurement functions
8.1.5.4
Table 901: VMMXU Non group settings (Basic)
Parameter
Operation
Num of phases
V high high limit
V high limit
V low limit
V low low limit
V deadband
Table 902: VMMXU Non group settings (Advanced)
Parameter
Measurement mode
8.1.5.5
942
Table 900: VMMXU Output signals
Name
HIGH_ALARM
HIGH_WARN
LOW_WARN
LOW_ALARM
Settings
Values (Range) Unit
1=on
5=off
1=1 out of 3
2=2 out of 3
3=3 out of 3
0.00...4.00 xUn
0.00...4.00 xUn
0.00...4.00 xUn
0.00...4.00 xUn
100...100000
Values (Range) Unit
1=RMS
2=DFT
Monitored data
Table 903: VMMXU Monitored data
Name
U12-kV
U23-kV
U31-kV
U_INST_AB
Table continues on next page
Type Description
BOOLEAN High alarm
BOOLEAN High warning
BOOLEAN Low warning
BOOLEAN Low alarm
Step Default
1=on
1=1 out of 3
1 1.40
1 1.20
1 0.00
1 0.00
1 10000
Step Default
2=DFT
Type Values (Range)
FLOAT32 0.00...4.00
FLOAT32 0.00...4.00
FLOAT32 0.00...4.00
FLOAT32 0.00...4.00
1MRS757644 F
Description
Operation Off / On
Number of phases required by limit
supervision
High alarm voltage limit
High warning voltage limit
Low warning voltage limit
Low alarm voltage limit
Deadband configuration value for integral
calculation. (percentage of difference
between min and max as 0,001 % s)
Description
Selects used measurement mode
Unit Description
xUn Measured phase to
phase voltage amplitude
phase AB
xUn Measured phase to
phase voltage amplitude
phase BC
xUn Measured phase to
phase voltage amplitude
phase CA
xUn U12 Amplitude,
magnitude of
instantaneous value
Technical Manual
620 series