Name Values (Range) Unit Step Default Description
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
Programmable
RI type
RD type
- - ANSI Def. Time Time delay characteristic for step 1
I2-1> 1 - 2500 %IB 1 100 Negative sequence current op level for
step 1 in % of IBase
t1 0.000 - 60.000 s 0.001 0.000 Def time delay or add time delay for
inverse char of step 1
TD1 0.05 - 999.00 - 0.01 0.05 Time multiplier for the step 1 selected time
characteristic
IMin1 1.00 - 10000.00 %IB 1.00 100.00 Minimum current for step 1
t1Min 0.000 - 60.000 s 0.001 0.000 Minimum operate time for inverse time
characteristic step 1
MultPU1 1.0 - 10.0 - 0.1 2.0 Multiplier for scaling the current setting
value for step 1
DirModeSel2 Disabled
Non-directional
Forward
Reverse
- - Non-directional Directional mode of step 2 (Disabled,
Nondir, Forward, Reverse)
Characterist2 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
Programmable
RI type
RD type
- - ANSI Def. Time Time delay characteristic for step 2
I2-2> 1 - 2500 %IB 1 50 Negative sequence current op level for
step 2 in % of IBase
t2 0.000 - 60.000 s 0.001 0.400 Def time delay or add time delay for
inverse char of step 2
Table continues on next page
Section 8 1MRK 502 066-UUS B
Current protection
494
Technical manual
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