Name Values (Range) Unit Step Default DescriptionResetTypeCrv4 InstantaneousIEC ResetANSI reset- - Instantaneous Selection of reset curve type for step 4tReset4 0.000 - 60.000 s 0.001 0.020 Reset time delay used in IEC DefiniteTime curve step 4tPCrv4 0.005 - 3.000 - 0.001 1.000 Parameter P for customer programmablecurve for step 4tACrv4 0.005 - 200.000 - 0.001 13.500 Parameter A for customer programmablecurve for step 4tBCrv4 0.00 - 20.00 - 0.01 0.00 Parameter B for customer programmablecurve for step 4tCCrv4 0.1 - 10.0 - 0.1 1.0 Parameter C for customerprogrammable curve for step 4tPRCrv4 0.005 - 3.000 - 0.001 0.500 Parameter PR for customerprogrammable curve for step 4tTRCrv4 0.005 - 100.000 - 0.001 13.500 Parameter TR for customerprogrammable curve for step 4tCRCrv4 0.1 - 10.0 - 0.1 1.0 Parameter CR for customerprogrammable curve for step 4HarmRestrain4 OffOn- - Off Enable block of step 4 from harmonicrestrainTable 93:OC4PTOC Non group settings (basic)Name Values (Range) Unit Step Default DescriptionMeasType DFTRMS- - DFT Selection between DFT and RMSmeasurement6.1.6 Technical dataTable 94:OC4PTOC technical dataFunction Setting range AccuracyOperate current (1-2500)% oflBase ± 1.0% of Ir at I ≤ Ir± 1.0% of I at I > IrReset ratio > 95% -Min. operating current (1-100)% oflBase ± 1.0% of Ir at I ≤ Ir±1.0% of I at I > IrMaximum forward angle (40.0–70.0) degrees ± 2.0 degreesMinimum forward angle (75.0–90.0) degrees ± 2.0 degrees2nd harmonic blocking (5–100)% of fundamental ± 2.0% of IrIndependent time delay (0.000-60.000) s ± 0.5% ±10 msMinimum operate time (0.000-60.000) s ± 0.5% ±10 msInverse characteristics, seetable 483, table 484 and table48519 curve types See table 483, table 484 andtable 485Table continues on next page1MRK 505 208-UEN B Section 6Current protection161Technical reference manual
