11.1.4 SignalsPID-6806-INPUTSIGNALS v2Table 151:CCSSPVC Input signalsName Type Default DescriptionI3P GROUPSIGNAL- Group signal for three phase current inputIREF GROUPSIGNAL- Residual reference current inputBLOCK BOOLEAN 0 Block of functionPID-6806-OUTPUTSIGNALS v2Table 152:CCSSPVC Output signalsName Type DescriptionFAIL BOOLEAN Detection of current circuit failureALARM BOOLEAN Alarm for current circuit failure11.1.5 SettingsPID-6806-SETTINGS v2Table 153:CCSSPVC Group settings (basic)Name Values (Range) Unit Step Default DescriptionOperation OffOn- - Off Operation Off / OnIMinOp 10 - 200 %IB 1 20 Minimum operate current differentiallevel in % of IBaseTable 154:CCSSPVC Group settings (advanced)Name Values (Range) Unit Step Default DescriptionIp>Block 20 - 500 %IB 1 150 Block of the function at high phasecurrent, in % of IBaseTable 155:CCSSPVC Non group settings (basic)Name Values (Range) Unit Step Default DescriptionGlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global BaseValue groups11.1.6 Operation principle M12396-5 v10Current circuit supervision CCSSPVC compares the absolute value of the vectorialsum of the three phase currents |ΣIphase| and the absolute value of the residualcurrent |Iref| from another current transformer set, see figure 134.Section 11 1MRK 505 394-UEN ASecondary system supervision284 Line differential protection RED650 2.2 IECTechnical manual
