ABB RET670 - Page 442

Name Values (Range) Unit Step Default Description
StepForSOTF Step 2
Step 3
- - Step 2 Selection of step used for SOTF
EnHarmRestSOTF Disabled
Enabled
- - Disabled Enable harmonic restrain function in SOTF
tSOTF 0.000 - 60.000 s 0.001 0.200 Time delay for SOTF
t4U 0.000 - 60.000 s 0.001 1.000 Switch-onto-fault active time
ActUndrTimeSel CB position
CB command
- - CB position Select signal to activate under time (CB Pos/
CBCommand)
tUnderTime 0.000 - 60.000 s 0.001 0.300 Time delay for under time
DirModeSel1 Disabled
Non-directional
Forward
Reverse
- - Non-directional Directional mode of step 1 (Disabled, Nondir,
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
Programmable
RI type
RD type
- - ANSI Def. Time Time delay curve type for step 1
Pickup1 1 - 2500 %IB 1 100 Residual current pickup 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
HarmRestrain1 Disabled
Enabled
- - Enabled Enable block of step 1 from harmonic restrain
Table continues on next page
Section 3 1MRK504116-UUS C
IED application
436
Application manual