Signals - ABB Relion Technical Manual

1MRK 502 048-UUS A
8.2.4
Technical manual

Signals

Table 90: EF4PTOC Input signals
Name Type
I3P GROUP
SIGNAL
U3P GROUP
SIGNAL
I3PPOL GROUP
SIGNAL
I3PDIR GROUP
SIGNAL
BLOCK BOOLEAN
BLKST1 BOOLEAN
BLKST2 BOOLEAN
BLKST3 BOOLEAN
BLKST4 BOOLEAN
Table 91: EF4PTOC Output signals
Name Type
TRIP BOOLEAN
TR1 BOOLEAN
TR2 BOOLEAN
TR3 BOOLEAN
TR4 BOOLEAN
START BOOLEAN
ST1 BOOLEAN
ST2 BOOLEAN
ST3 BOOLEAN
ST4 BOOLEAN
STFW BOOLEAN
STRV BOOLEAN
2NDHARMD BOOLEAN
Default Description
- Three phase group signal for current inputs
- Three phase group signal for polarizing voltage inputs
- Three phase group signal for polarizing current inputs
- Three phase group signal for operating directional
inputs
0 Block of function
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)
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 step 1
Start signal step 2
Start signal step 3
Start signal step 4
Forward directional start signal
Reverse directional start signal
2nd harmonic block signal
Section 8
Current protection
205