ABB REG670 - Page 513

Name Values (Range) Unit Step Default Description
t2Min 0.000 - 60.000 s 0.001 5.000 Minimum operate time for inverse curves
for step 2
k2 0.05 - 1.10 - 0.01 0.05 Time multiplier for the inverse time delay
for step 2
HystAbs2 0.0 - 50.0 %UB 0.1 0.5 Absolute hysteresis in % of UBase, step 2
Table 280: ROV2PTOV 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 IDMT 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 prog. over voltage IDMT
curve, step 1
tReset2 0.000 - 60.000 s 0.001 0.025 Time delay in DT reset (s), step 2
ResetTypeCrv2 Instantaneous
Frozen timer
Linearly decreased
-
- Instantaneous Selection of used IDMT reset curve type
for step 2
tIReset2 0.000 - 60.000 s 0.001 0.025 Time delay in IDMT reset (s), step 2
ACrv2 0.005 - 200.000 - 0.001 1.000 Parameter A for customer programmable
curve for step 2
BCrv2 0.50 - 100.00 - 0.01 1.00 Parameter B for customer programmable
curve for step 2
CCrv2 0.0 - 1.0 - 0.1 0.0 Parameter C for customer programmable
curve for step 2
DCrv2 0.000 - 60.000 - 0.001 0.000 Parameter D for customer programmable
curve for step 2
PCrv2 0.000 - 3.000 - 0.001 1.000 Parameter P for customer programmable
curve for step 2
CrvSat2 0 - 100 % 1 0 Tuning param for prog. over voltage IDMT
curve, step 2
1MRK502052-UEN B Section 9
Voltage protection
507
Technical manual