7SR220 Settings GuideUnrestricted ©2018 Siemens Protection Devices Limited Page 21 of 107Description Range DefaultGn 51N-3 Dir. ControlSelects whether 51N-3 element is non-directional, forward orreverseNon-Dir, Forward, Reverse Non-DirGn 51N-3 SettingPickup level0.05, 0.06 ... 2.49, 2.5 0.5 xInGn 51N-3 CharSelects characteristic curve to be IEC or ANSI IDMTL or DTLDTL, IEC-NI, IEC-VI, IEC-EI, IEC-LTI, ANSI-MI, ANSI-VI, ANSI-EIIEC-NIGn 51N-3 Time Mult (IEC/ANSI)Time multiplier (applicable to IEC and ANSI curves but notDTL selection)0.025, 0.03 ... 1.595, 1.6 , 1.7 ...4.9, 5, 6 ... 1001Gn 51N-3 Delay (DTL)Delay (applicable only when DTL is selected for characteristic)0, 0.01 ... 19.99, 20 5 sGn 51N-3 Min Operate TimeMinimum operate time of element.0, 0.01 ... 19.99, 20 0 sGn 51N-3 Follower DTLAdditional definite time added after characteristic time0, 0.01 ... 19.99, 20 0 sGn 51N-3 ResetSelects between an ANSI decaying reset characteristic or adefinite time reset(ANSI) Decaying, 0 ... 59, 60 0 sGn 51N-3 VTS ActionSelects whether 51N-3 element is blocked or made non-directional when VTS operatesOff, Inhibit, Non-Dir OffGn 51N-3 Inrush ActionSelects if the 51N-3 element is blocked from operating when2nd Harmonic Inrush Detector operatesOff, Inhibit Off3.4.4.4. 51N-4Description Range DefaultGn 51N-4 ElementSelects whether the 51N-4 IDMTL derived Earth Fault elementis enabledDisabled, Enabled DisabledGn 51N-4 Dir. ControlSelects whether 51N-4 element is non-directional, forward orreverseNon-Dir, Forward, Reverse Non-DirGn 51N-4 SettingPickup level0.05, 0.06 ... 2.49, 2.5 0.5 xInGn 51N-4 CharSelects characteristic curve to be IEC or ANSI IDMTL or DTLDTL, IEC-NI, IEC-VI, IEC-EI, IEC-LTI, ANSI-MI, ANSI-VI, ANSI-EIIEC-NIGn 51N-4 Time Mult (IEC/ANSI)Time multiplier (applicable to IEC and ANSI curves but notDTL selection)0.025, 0.03 ... 1.595, 1.6 , 1.7 ...4.9, 5, 6 ... 1001Gn 51N-4 Delay (DTL)Delay (applicable only when DTL is selected for characteristic)0, 0.01 ... 19.99, 20 5 sGn 51N-4 Min Operate TimeMinimum operate time of element.0, 0.01 ... 19.99, 20 0 sGn 51N-4 Follower DTLAdditional definite time added after characteristic time0, 0.01 ... 19.99, 20 0 sGn 51N-4 ResetSelects between an ANSI decaying reset characteristic or adefinite time reset(ANSI) Decaying, 0 ... 59, 60 0 sGn 51N-4 VTS ActionSelects whether 51N-4 element is blocked or made non-directional when VTS operatesOff, Inhibit, Non-Dir Off
