Name Values (Range) Unit Step Default Description
Characterist2 Definite time
Inverse curve A
Inverse curve B
Inverse curve C
Prog. inv. curve
- - Definite time Selection of time delay curve type for step 2
OpMode2 1 out of 3
2 out of 3
3 out of 3
- - 1 out of 3 Number of phases required for op (1 of 3, 2 of
3, 3 of 3) from step 2
Pickup2 1 - 200 %VB 1 150 Voltage pickup value (Definite-Time & Inverse-
Time curve) in % of VBase, step 2
t2 0.000 - 60.000 s 0.001 5.000 Definitive time delay of step 2
t2Min 0.000 - 60.000 s 0.001 5.000 Minimum operate time for inverse curves for
step 2
TD2 0.05 - 1.10 - 0.01 0.05 Time multiplier for the inverse time delay for
step 2
HystAbs2 0.0 - 100.0 %VB 0.1 0.5 Absolute hysteresis in % of VBase, step 2
Table 261: OV2PTOV (59) Group settings (advanced)
Name Values (Range) Unit Step Default Description
tReset1 0.000 - 60.000 s 0.001 0.025 Reset time delay used in IEC Definite Time
curve step 1
ResetTypeCrv1 Instantaneous
Frozen timer
Linearly decreased
- - Instantaneous Selection of used IDMT reset curve type for
step 1
tIReset1 0.000 - 60.000 s 0.001 0.025 Time delay in Inverse-Time reset (s), step 1
ACrv1 0.005 - 200.000 - 0.001 1.000 Parameter A for customer programmable
curve for step 1
BCrv1 0.50 - 100.00 - 0.01 1.00 Parameter B for customer programmable
curve for step 1
CCrv1 0.0 - 1.0 - 0.1 0.0 Parameter C for customer programmable
curve for step 1
DCrv1 0.000 - 60.000 - 0.001 0.000 Parameter D for customer programmable
curve for step 1
PCrv1 0.000 - 3.000 - 0.001 1.000 Parameter P for customer programmable
curve for step 1
CrvSat1 0 - 100 % 1 0 Tuning param for programmable over voltage
TOV curve, step 1
tReset2 0.000 - 60.000 s 0.001 0.025 Reset time delay used in IEC Definite Time
curve step 2
ResetTypeCrv2 Instantaneous
Frozen timer
Linearly decreased
- - Instantaneous Selection of Time Delay reset curve for step 2
tIReset2 0.000 - 60.000 s 0.001 0.025 Time delay in Inverse-Time reset (s), step 2
Table continues on next page
Section 8 1MRK505222-UUS C
Voltage protection
516
Technical reference manual
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