ABB RELION REX640 - 8.1.7.7 VMMXU Monitored data

8.1.7.6 VMMXU Settings
Table 1389: VMMXU Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Num of phases
1=1 out of 3
2=2 out of 3
3=3 out of 3
1=1 out of 3 Number of phases
required by limit
supervision
V high high limit 0.00...4.00 xUn 0.01 1.40 High alarm voltage
limit
V high limit 0.00...4.00 xUn 0.01 1.20 High warning volt-
age limit
V low limit 0.00...4.00 xUn 0.01 0.00 Low warning volt-
age limit
V low low limit 0.00...4.00 xUn 0.01 0.00 Low alarm voltage
limit
V deadband 100...100000 1 10000 Deadband configu-
ration value for in-
tegral calculation.
(percentage of dif-
ference between
min and max as
0,001 % s)
Table 1390: VMMXU Non group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Measurement
mode
1=RMS
2=DFT
2=DFT Selects used meas-
urement mode
On delay time 0...1800000 ms 100 0 Delay the activation
of the alarm and
warning outputs
Off delay time 0...1800000 ms 100 0 Delay the deactiva-
tion of the alarm
and warning out-
puts
8.1.7.7 VMMXU Monitored data
Table 1391: VMMXU Monitored data
Name Type Values (Range) Unit Description
U12-kV:1 FLOAT32 0.00...4.00 xUn Measured phase to
phase voltage ampli-
tude phase AB
U23-kV:1 FLOAT32 0.00...4.00 xUn Measured phase to
phase voltage ampli-
tude phase BC
U31-kV:1 FLOAT32 0.00...4.00 xUn Measured phase to
phase voltage ampli-
tude phase CA
UL1-kV:1 FLOAT32 0.00...5.00 xUn Measured phase to
earth voltage amplitude
phase A
UL2-kV:1 FLOAT32 0.00...5.00 xUn Measured phase to
earth voltage amplitude
phase B
Table continues on the next page
Measurement functions 1MRS759142 F
1460 REX640
Technical Manual