Name
Type
Description
STL1
BOOLEAN
Start signal from phase L1
STL2
BOOLEAN
Start signal from phase L2
STL3
BOOLEAN
Start signal from phase L3
ST2NDHRM
BOOLEAN
Second harmonic detected
8.2.5
Settings
Table 74:
OC4PTOC Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
Off
Operation Off / On
DirMode1
Off
Non-directional
Forward
Reverse
-
-
Non-directional
Directional mode of step 1 off / non-
directional / forward / reverse
Characterist1
ANSI Ext. inv.
ANSI Very inv.
ANSI Norm. inv.
ANSI Mod. inv.
ANSI Def. Time
L.T.E. inv.
L.T.V. inv.
L.T. inv.
IEC Norm. inv.
IEC Very inv.
IEC inv.
IEC Ext. inv.
IEC S.T. inv.
IEC L.T. inv.
IEC Def. Time
Reserved
RI type
RD type
-
-
ANSI Def. Time
Selection of time delay curve type for step
1
I1>
5 - 2500
%IB
1
1000
Phase current operate level for step1 in %
of IBase
t1
0.000 - 60.000
s
0.001
0.000
Definite time delay of step 1
k1
0.05 - 999.00
-
0.01
0.05
Time multiplier for the inverse time delay
for step 1
IMin1
5 - 10000
%IB
1
100
Minimum operate current for step1 in % of
IBase
t1Min
0.000 - 60.000
s
0.001
0.000
Minimum operate time for inverse curves
for step 1
DirMode2
Off
Non-directional
Forward
Reverse
-
-
Non-directional
Directional mode of step 2 off / non-
directional / forward / reverse
I2>
5 - 2500
%IB
1
500
Phase current operate level for step 2 in %
of IBase
t2
0.000 - 60.000
s
0.001
0.400
Definite time delay of step 2
Table continues on next page
1MRK 504 135-UEN A
Section 8
Current protection
145
Technical manual
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