ABB RELION 620 Series Technical Manual page 650

Section 7
Measurement functions
7.1.5.4
Table 470: VA, VB, VC Non group settings
Parameter Values (Range)
Operation 1=enable
5=disable
Measurement mode 1=RMS
2=DFT
Num of phases 1=1 out of 3
2=2 out of 3
3=3 out of 3
V high high limit 0.00...4.00
V high limit 0.00...4.00
V low limit 0.00...4.00
V low low limit 0.00...4.00
V deadband 100...100000
7.1.5.5
644
Table 469: VA, VB, VC Output signals
Name Type
HIGH_ALARM BOOLEAN
HIGH_WARN BOOLEAN
LOW_WARN BOOLEAN
LOW_ALARM BOOLEAN
Settings
Unit Step
xVn
xVn
xVn
xVn
Monitored data
Table 471: VA, VB, VC Monitored data
Name Type
VAB-kV FLOAT32
VBC-kV FLOAT32
VCA-kV FLOAT32
Description
High alarm
High warning
Low warning
Low alarm
Default Description
1=enable Operation Disable / Enable
2=DFT Selects used measurement mode
1=1 out of 3 Number of phases required by limit supervision
2 High alarm voltage limit
2 High warning voltage limit
0.00 Low warning voltage limit
0.00 Low alarm voltage limit
10000 Deadband configuration value for integral
calculation. (percentage of difference between
min and max as 0,001 % s)
Values (Range) Unit
0.00...4.00 xVn
0.00...4.00 xVn
0.00...4.00 xVn
1MAC504801-IB E
Description
Measured phase to phase
voltage amplitude phase AB
Measured phase to phase
voltage amplitude phase BC
Measured phase to phase
voltage amplitude phase CA
620 series ANSI
Technical Manual