18.8.9.3 Function block GUID-B8312E77-514D-4117-BB31-B9907755580C v1I103USRDEFBLOCK^INPUT1^INPUT2^INPUT3^INPUT4^INPUT5^INPUT6^INPUT7^INPUT8RT_STARTIEC10000294-3-en.vsdxIEC10000294 V3 EN-USFigure 344: I103USRDEF function block18.8.9.4 SignalsPID-6485-INPUTSIGNALS v5Table 514:I103USRDEF Input signalsName Type Default DescriptionBLOCK BOOLEAN 0 Block of status reportingINPUT1 BOOLEAN 0 Binary signal Input 1INPUT2 BOOLEAN 0 Binary signal input 2INPUT3 BOOLEAN 0 Binary signal input 3INPUT4 BOOLEAN 0 Binary signal input 4INPUT5 BOOLEAN 0 Binary signal input 5INPUT6 BOOLEAN 0 Binary signal input 6INPUT7 BOOLEAN 0 Binary signal input 7INPUT8 BOOLEAN 0 Binary signal input 8RT_START BOOLEAN 0 Trig to set base of relative timeGUID-9E29DE39-EA74-4D62-A2BA-F8E31A3D8757 v2RT_START registers the positive transition (0->1) of a pulse and sets the timefrom which relative time is derived. Relative time is assigned only to inputs wherethe corresponding TypNo parameter is set to Relative. The maximum relative timeand unit conform to the IEC 60870-5-103 standard.Section 18 1MRK 505 394-UEN AStation communication718 Line differential protection RED650 2.2 IECTechnical manual