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 curve type for step 1
Pickup1 1 - 2500 %IB 1 100 Operate neg. seq. curr. I2 level for step 1 in
% of IBase
t1 0.000 - 60.000 s 0.001 0.000 Independent (defenite) time delay of step 1
TD1 0.05 - 999.00 - 0.01 0.05 Time multiplier for the dependent time delay
for step 1
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 curves for
step 1
MultPU1 1.0 - 10.0 - 0.1 2.0 Multiplier for scaling the current setting value
for step 1
ResetTypeCrv1 Instantaneous
IEC Reset
ANSI reset
- - Instantaneous Reset curve type for step 1
tReset1 0.000 - 60.000 s 0.001 0.020 Reset time delay for step 1
tPCrv1 0.005 - 3.000 - 0.001 1.000 Parameter P for customer programmable
curve for step 1
tACrv1 0.005 - 200.000 - 0.001 13.500 Parameter A for customer programmable
curve for step 1
tBCrv1 0.00 - 20.00 - 0.01 0.00 Parameter B for customer programmable
curve for step 1
tCCrv1 0.1 - 10.0 - 0.1 1.0 Parameter C for customer programmable
curve for step 1
tPRCrv1 0.005 - 3.000 - 0.001 0.500 Parameter PR for customer programmable
curve for step 1
tTRCrv1 0.005 - 100.000 - 0.001 13.500 Parameter TR for customer programmable
curve for step 1
tCRCrv1 0.1 - 10.0 - 0.1 1.0 Parameter CR for customer programmable
curve for step 1
Table continues on next page
1MRK505222-UUS C Section 7
Current protection
431
Technical reference manual
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