ABB RELION 620 Series Technical Manual page 947

1MRS757644 F
8.1.4.7
8.1.5
8.1.5.1
8.1.5.2
8.1.5.3
620 series
Technical Manual
Technical revision history
Table 898: CMMXU Technical revision history
Technical revision
B
C
D
E
Three-phase voltage measurement VMMXU
Identification
Function description
Three-phase voltage measurement
Function block
GUID-5B741292-7FA6-4DEA-8D16-B530FD16A0FE V1 EN
Figure 492: Function block
Signals
Table 899: VMMXU Input signals
Name Type
U_A_AB SIGNAL
U_B_BC SIGNAL
U_C_CA SIGNAL
BLOCK BOOLEAN
Measurement functions
Change
Menu changes
Phase current angle values added to Monitored
data view. Minimum demand value and time
added to recorded data. Logarithmic demand
calculation mode added and demand interval
setting moved under Measurement menu as
general setting to all demand calculations.
Internal improvement.
Internal improvement.
IEC 61850 IEC 60617
identification identification
VMMXU 3U
Default Description
0 Phase to earth voltage A or phase to phase voltage
AB
0 Phase to earth voltage B or phase to phase voltage
BC
0 Phase to earth voltage C or phase to phase voltage
CA
0=False Block signal for all binary outputs
Section 8
ANSI/IEEE C37.2
device number
3V
941