Settings - ABB RELION REX640 Technical Manual

Section 8
Measurement functions
8.1.5.6
Table 1225: 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 1226: VMMXU Non group settings (Advanced)
Parameter
Measurement mode
On delay time
Off delay time
8.1.5.7
1304
Name
U_DMD_CA
U_DMD_A
U_DMD_B
U_DMD_C

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
0...1800000 ms
0...1800000 ms
Monitored data
Table 1227: VMMXU Monitored data
Name
U12-kV:1
U23-kV:1
U31-kV:1
Table continues on next page
Type Description
FLOAT32 Demand value of U31 voltage
FLOAT32 Demand value of UL1 voltage
FLOAT32 Demand value of UL2 voltage
FLOAT32 Demand value of UL3 voltage
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
100 0
100 0
Type Values (Range)
FLOAT32 0.00...4.00
FLOAT32 0.00...4.00
FLOAT32 0.00...4.00
1MRS759142 C
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
Delay the activation of the alarm and
warning outputs
Delay the deactivation of the alarm and
warning outputs
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
Technical Manual
REX640