Function Block; Signals - ABB REL650 Technical Manual

1MRK 506 382-UEN A
7.4.3
7.4.4
Line distance protection REL650 2.2 IEC
Technical manual
The residual current can be calculated by summing the three-phase currents or
taking the input from the neutral CT.

Function block

EF4PTOC
I3P* TRIP
U3P* TRIN1
I3PPOL* TRIN2
I3PDIR* TRIN3
BLOCK TRIN4
BLKTR TRSOTF
BLKST1 START
BLKST2 STIN1
BLKST3 STIN2
BLKST4 STIN3
ENMULT1 STIN4
ENMULT2 STSOTF
ENMULT3 STFW
ENMULT4 STRV
CBPOS 2NDHARMD
CLOSECB
OPENCB
IEC06000424-5-en.vsdx
IEC06000424 V5 EN-US
Figure 90: EF4PTOC function block

Signals

Table 86: EF4PTOC Input signals
Name Type
I3P GROUP
SIGNAL
U3P GROUP
SIGNAL
I3PPOL GROUP
SIGNAL
I3PDIR GROUP
SIGNAL
BLOCK BOOLEAN
BLKTR BOOLEAN
BLKST1 BOOLEAN
BLKST2 BOOLEAN
BLKST3 BOOLEAN
BLKST4 BOOLEAN
ENMULT1 BOOLEAN
ENMULT2 BOOLEAN
ENMULT3 BOOLEAN
Table continues on next page
Default Description
- Group connection for operate current
- Group connection for polarizing voltage
- Group connection for polarizing current
- Group connection for directional current
0 General block
0 Block of trip
0 Block of step 1 (Start and trip)
0 Block of step 2 (Start and trip)
0 Block of step 3 (Start and trip)
0 Block of step 4 (Start and trip)
0 When activated, the current multiplier is in use for
step1
0 When activated, the current multiplier is in use for
step2
0 When activated, the current multiplier is in use for
step3
Section 7
Current protection
M12619-3 v8
IP11453-1 v2
PID-6967-INPUTSIGNALS v3
183