Function Block - ABB Relion 670 Series Technical Reference Manual

1MRK 505 208-UEN B
Selected voltage
StartVolt_UV1
Operation_UV1=On
BLKUV1
IEC05000752 V1 EN
Figure 147: Simplified internal logic diagram for built-in first undervoltage step UV1 (step UV2 has the same
internal logic)
9.1.3
Technical reference manual
DEF time
selected
a
b>a
b
AND
Inverse time
selected

Function block

CVGAPC
I3P* TRIP
U3P* TROC1
BLOCK TROC2
BLKOC1 TRUC1
BLKOC1TR TRUC2
ENMLTOC1 TROV1
BLKOC2 TROV2
BLKOC2TR TRUV1
ENMLTOC2 TRUV2
BLKUC1 START
BLKUC1TR STOC1
BLKUC2 STOC2
BLKUC2TR STUC1
BLKOV1 STUC2
BLKOV1TR STOV1
BLKOV2 STOV2
BLKOV2TR STUV1
BLKUV1 STUV2
BLKUV1TR BLK2ND
BLKUV2 DIROC1
BLKUV2TR DIROC2
UDIRLOW
CURRENT
ICOSFI
VOLTAGE
UIANGLE
IEC05000372-2-en.vsd
IEC05000372 V2 EN
Figure 148: CVGAPC function block
Multipurpose protection
DEF
OR
Inverse
Section 9
BLKTRUV
TRUV1
1
AND
STUV1
en05000752.vsd
283