IPOS1 IPOS2 Name of displayed string Default string value0 0 PosUndefined P001 0 Position1 P010 1 Position2 P101 1 PosBadState P1112.6 IEC 61850 generic communication I/O functionsDPGGIO12.6.1 IdentificationFunction description IEC 61850identificationIEC 60617identificationANSI/IEEE C37.2device numberIEC 61850 generic communication I/OfunctionsDPGGIO - -12.6.2 FunctionalityThe IEC 61850 generic communication I/O functions DPGGIO function block is usedto send double indications to other systems or equipment in the substation usingIEC61850. It is especially used in the interlocking and reservation station-wide logics.12.6.3 Function blockDPGGIOOPENCLOSEVALIDPOSITIONIEC09000075_1_en.vsdIEC09000075 V1 ENFigure 205: DPGGIO function block12.6.4 SignalsTable 270:DPGGIO Input signalsName Type Default DescriptionOPEN BOOLEAN 0 Open indicationCLOSE BOOLEAN 0 Close indicationVALID BOOLEAN 0 Valid indicationTable 271:DPGGIO Output signalsName Type DescriptionPOSITION INTEGER Double point indicationSection 12 1MRK 502 048-UEN AControl420Technical manual