ABB Relion 620 Series - Single-Phase Voltage Measurement VAMMXU

8.1.6 Single-phase voltage measurement VAMMXU
8.1.6.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Single-phase voltage measurement VAMMXU U_A V_A
8.1.6.2 Function block
Figure 503: Function block symbol
8.1.6.3 Signals
Table 906: VAMMXU Input signals
Name Type Default Description
U_A_AB SIGNAL 0 Phase-to-earth voltage A or phase-
to-phase voltage AB
BLOCK BOOLEAN 0=False Block signal for all binary outputs
Table 907: VAMMXU 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
8.1.6.4 Settings
Table 908: VAMMXU Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
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 volt-
age limit
Table continues on the next page
Measurement functions 1MRS757644 H
944 620 series
Technical Manual