Name Type DescriptionTR4 BOOLEAN Trip signal from step 4START BOOLEAN General pickup signalST1 BOOLEAN Pick up signal from step 1ST2 BOOLEAN Pick up signal from step 2ST3 BOOLEAN Pickup signal step 3ST4 BOOLEAN Pickup signal step 4STL1 BOOLEAN Pickup signal from phase ASTL2 BOOLEAN Pickup signal from phase BSTL3 BOOLEAN Pickup signal from phase CST2NDHRM BOOLEAN Second harmonic detected6.2.5 SettingsTable 32:OC4PTOC (51_67) Group settings (basic)Name Values (Range) Unit Step Default DescriptionOperation DisabledEnabled- - Disabled Disable/Enable OperationDirMode1 DisabledNon-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 step 1I1> 5 - 2500 %IB 1 1000 Phase current operate level for step1 in % ofIBaset1 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 delay forstep 1IMin1 5 - 10000 %IB 1 100 Minimum operate current for step1in% of IBaseTable continues on next page1MRK 511 287-UUS A Section 6Current protection87Technical manual
