Function Block; Signals - ABB RET650 Technical Manual

Section 8
Current protection
8.2.3
8.2.4
144

Function block

OC4PTOC
I3P* TRIP
U3P* TR1
BLOCK TR2
BLKST1 TR3
BLKST2 TR4
BLKST3 START
BLKST4 ST1
ST2
ST3
ST4
STL1
STL2
STL3
2NDHARM
IEC08000002-2-en.vsd
IEC08000002 V2 EN
Figure 63: OC4PTOC function block

Signals

Table 72: OC4PTOC Input signals
Name Type
I3P GROUP
SIGNAL
U3P GROUP
SIGNAL
BLOCK BOOLEAN
BLKST1 BOOLEAN
BLKST2 BOOLEAN
BLKST3 BOOLEAN
BLKST4 BOOLEAN
Table 73: OC4PTOC Output signals
Name Type
TRIP BOOLEAN
TR1 BOOLEAN
TR2 BOOLEAN
TR3 BOOLEAN
TR4 BOOLEAN
START BOOLEAN
ST1 BOOLEAN
ST2 BOOLEAN
ST3 BOOLEAN
ST4 BOOLEAN
Table continues on next page
Default Description
- Three phase group signal for current inputs
- Three phase group signal for voltage inputs
0 Block of function
0 Block of step 1
0 Block of step 2
0 Block of step 3
0 Block of step 4
Description
General trip signal
Trip signal from step 1
Trip signal from step 2
Trip signal from step 3
Trip signal from step 4
General start signal
Start signal from step 1
Start signal from step 2
Start signal from step 3
Start signal from step 4
1MRK 504 135-UEN A
Technical manual