ABB RELION Series, Technical Manual

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8.1.5.3 Signals
Table 574: VMMXU Input signals
Name Type Default Description
U_A_AB SIGNAL 0 Phase to earth voltage A or phase to phase voltage
AB
U_B_BC SIGNAL 0 Phase to earth voltage B or phase to phase voltage
BC
U_C_CA SIGNAL 0 Phase to earth voltage C or phase to phase voltage
CA
BLOCK BOOLEAN 0=False Block signal for all binary outputs
Table 575: VMMXU Output signals
Name Type Description
HIGH_ALARM BOOLEAN High alarm
HIGH_WARN BOOLEAN High warning
LOW_WARN BOOLEAN Low warning
LOW_ALARM BOOLEAN Low alarm
8.1.5.4 Settings
Table 576: 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 1 1.40 High alarm voltage limit
V high limit 0.00...4.00 xUn 1 1.20 High warning voltage limit
V low limit 0.00...4.00 xUn 1 0.00 Low warning voltage limit
V low low limit 0.00...4.00 xUn 1 0.00 Low alarm voltage limit
V deadband 100...100000 1 10000 Deadband configuration value for integral
calculation. (percentage of difference
between min and max as 0,001 % s)
Table 577: VMMXU Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Measurement mode 1=RMS
2=DFT
2=DFT Selects used measurement mode
Section 8
1MRS758755 A
Measurement functions
566 REC615 and RER615
Technical Manual