Name Type DescriptionSTL1 BOOLEAN Start signal from phase L1STL2 BOOLEAN Start signal from phase L2STL3 BOOLEAN Start signal from phase L3ST2NDHRM BOOLEAN Second harmonic detected8.2.5 SettingsTable 74:OC4PTOC Group settings (basic)Name Values (Range) Unit Step Default DescriptionOperation OffOn- - Off Operation Off / OnDirMode1 OffNon-directionalForwardReverse- - Non-directional Directional mode of step 1 off / non-directional / forward / reverseCharacterist1 ANSI Ext. inv.ANSI Very inv.ANSI Norm. inv.ANSI Mod. inv.ANSI Def. TimeL.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. TimeReservedRI typeRD type- - ANSI Def. Time Selection of time delay curve type for step1I1> 5 - 2500 %IB 1 1000 Phase current operate level for step1 in %of IBaset1 0.000 - 60.000 s 0.001 0.000 Definite time delay of step 1k1 0.05 - 999.00 - 0.01 0.05 Time multiplier for the inverse time delayfor step 1IMin1 5 - 10000 %IB 1 100 Minimum operate current for step1 in % ofIBaset1Min 0.000 - 60.000 s 0.001 0.000 Minimum operate time for inverse curvesfor step 1DirMode2 OffNon-directionalForwardReverse- - Non-directional Directional mode of step 2 off / non-directional / forward / reverseI2> 5 - 2500 %IB 1 500 Phase current operate level for step 2 in %of IBaset2 0.000 - 60.000 s 0.001 0.400 Definite time delay of step 2Table continues on next page1MRK 504 135-UEN A Section 8Current protection145Technical manual
