8.2.4
Signals
Table 90:
EF4PTOC Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Three phase group signal for current inputs
U3P
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
BLKST1
BOOLEAN
0
Block of step 1 (start and trip)
BLKST2
BOOLEAN
0
Block of step 2 (start and trip)
BLKST3
BOOLEAN
0
Block of step 3 (start and trip)
BLKST4
BOOLEAN
0
Block of step 4 (start and trip)
Table 91:
EF4PTOC Output signals
Name
Type
Description
TRIP
BOOLEAN
General trip signal
TR1
BOOLEAN
Trip signal from step 1
TR2
BOOLEAN
Trip signal from step 2
TR3
BOOLEAN
Trip signal from step 3
TR4
BOOLEAN
Trip signal from step 4
START
BOOLEAN
General start signal
ST1
BOOLEAN
Start signal step 1
ST2
BOOLEAN
Start signal step 2
ST3
BOOLEAN
Start signal step 3
ST4
BOOLEAN
Start signal step 4
STFW
BOOLEAN
Forward directional start signal
STRV
BOOLEAN
Reverse directional start signal
2NDHARMD
BOOLEAN
2nd harmonic block signal
Section 8
1MRK 502 048-UEN A
Current protection
188
Technical manual
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