ABB REB650 - Function Block

Other setting combinations are possible, but not recommended.
Second harmonic blocking restraint level can be set for the function and can be used to
block each step individually.
7.2.3 Function block
ANSI08000004-2-en.vsd
EF4PTOC (51N_67N)
I3P*
V3P*
I3PPOL*
I3PDIR*
BLOCK
BLK1
BLK2
BLK3
BLK4
TRIP
TRST1
TRST2
TRST3
TRST4
BFI_3P
PU_ST1
PU_ST2
PU_ST3
PU_ST4
PUFW
PUREV
2NDHARMD
ANSI08000004 V2 EN
Figure 35: EF4PTOC (51N/67N) function block
7.2.4 Signals
Table 34: EF4PTOC (51N_67N) Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Three phase group signal for current inputs
V3P GROUP
SIGNAL
- Three phase group signal for polarizing voltage inputs
I3PPOL GROUP
SIGNAL
- Three phase group signal for polarizing current inputs
I3PDIR GROUP
SIGNAL
- Three phase group signal for operating directional
inputs
BLOCK BOOLEAN 0 Block of function
BLK1 BOOLEAN 0 Block of step 1 (start and trip)
BLK2 BOOLEAN 0 Block of step 2 (start and trip)
BLK3 BOOLEAN 0 Block of step 3 (start and trip)
BLK4 BOOLEAN 0 Block of step 4 (start and trip)
Section 7 1MRK 505 277-UUS C
Current protection
84
Technical Manual