7SR220 Settings GuideUnrestricted Page 10 of 107 © 2013 Siemens Protection Devices LimitedDescription Range DefaultEarth Current InputSelects whether 1 or 5 Amp terminals are being used forMeasured Earth inputs1, 5 1 AEarth CT Ratio PrimMeasured Earth CT ratio to scale primary current instruments( 6 Character String) 2000 AEarth CT Ratio SecMeasured Earth CT ratio to scale secondary current instruments0.2, 0.21 ... 2, 2.1.....7 1SEF/REF Current InputSelects whether 1 or 5 Amp terminals are being used forSEF/REF inputs1, 5 1 ASEF/REF CT Ratio PrimSEF/REF CT ratio to scale primary current instruments( 6 Character String) 2000 ASEF/REF CT Ratio SecSEF/REF CT ratio to scale primary current instruments0.2, 0.21 ... 2, 2.1.....7 13.3. Function ConfigDescription Range DefaultGn Phase OvercurrentWhen set to Disabled, no Phase Overcurrent elements will befunctional and all associated settings will be hidden. (TheSetting Dependencies setting being set to Disabled will makeall settings visible but will not allow them to operate).Enabled, Disabled DisabledGn Voltage Cont O/CWhen set to Disabled, no Voltage Cont O/C elements will befunctional and all associated settings will be hidden. (TheSetting Dependencies setting being set to Disabled will makeall settings visible but will not allow them to operate).Enabled, Disabled DisabledGn Cold LoadWhen set to Disabled, no Cold Load elements will befunctional and all associated settings will be hidden. (TheSetting Dependencies setting being set to Disabled will makeall settings visible but will not allow them to operate).Enabled, Disabled DisabledGn Derived E/FWhen set to Disabled, no Derived E/F elements will befunctional and all associated settings will be hidden. (TheSetting Dependencies setting being set to Disabled will makeall settings visible but will not allow them to operate).Enabled, Disabled DisabledGn Measured E/FWhen set to Disabled, no Measured E/F elements will befunctional and all associated settings will be hidden. (TheSetting Dependencies setting being set to Disabled will makeall settings visible but will not allow them to operate).Enabled, Disabled DisabledGn Sensitive E/FWhen set to Disabled, no Sensitive E/F elements will befunctional and all associated settings will be hidden. (TheSetting Dependencies setting being set to Disabled will makeall settings visible but will not allow them to operate).Enabled, Disabled DisabledGn Restricted E/FWhen set to Disabled, no Restricted E/F elements will befunctional and all associated settings will be hidden. (TheSetting Dependencies setting being set to Disabled will makeall settings visible but will not allow them to operate).Enabled, Disabled DisabledGn NPS OvercurrentWhen set to Disabled, no NPS Overcurrent elements will befunctional and all associated settings will be hidden. (TheSetting Dependencies setting being set to Disabled will makeall settings visible but will not allow them to operate).Enabled, Disabled Disabled
