9.1.4 SignalsTable 149:CCSRDIF (87) Input signalsName Type Default DescriptionI3P GROUPSIGNAL- Three phase group signal for current inputsIREF GROUPSIGNAL- Group signal for current referenceBLOCK BOOLEAN 0 Block of functionTable 150:CCSRDIF (87) Output signalsName Type DescriptionFAIL BOOLEAN Detection of current circuit failureALARM BOOLEAN Alarm for current circuit failure9.1.5 SettingsTable 151:CCSRDIF (87) Group settings (basic)Name Values (Range) Unit Step Default DescriptionOperation DisabledEnabled- - Disabled Disable/Enable OperationIMinOp 5 - 200 %IB 1 20 Minimum operate current differential pickup in% of IBaseTable 152:CCSRDIF (87) Group settings (advanced)Name Values (Range) Unit Step Default DescriptionPickup_Block 5 - 500 %IB 1 150 Block of the function at high phase current, in %of IBaseTable 153:CCSRDIF (87) Non group settings (basic)Name Values (Range) Unit Step Default DescriptionGlobalBaseSel 1 - 6 - 1 1 Selection of one of the Global Base ValuegroupsSection 9 1MRK 511 287-UUS ASecondary system supervision204Technical manual
