2 is the Minor version of the manufactured product this means, new functions or newhardware added to the product3 is the Major revision of the manufactured product this means, functions or hardware iseither changed or enhanced in the product• IEDMainFunType• Main function type code according to IEC 60870-5-103. Example: 128(meaning line protection).• SerialNo• OrderingNo• ProductionDate20.12 Signal matrix for binary inputs SMBI20.12.1 FunctionalityThe Signal matrix for binary inputs (SMBI) function is used within the ApplicationConfiguration Tool (ACT) in direct relation with the Signal Matrix Tool (SMT), seethe application manual to get information about how binary inputs are brought in forone IED configuration.20.12.2 Function blockIEC05000434-2-en.vsdSMBI^VIN1^VIN2^VIN3^VIN4^VIN5^VIN6^VIN7^VIN8^VIN9^VIN10^BI1^BI2^BI3^BI4^BI5^BI6^BI7^BI8^BI9^BI10IEC05000434 V2 ENFigure 509: SMBI function block20.12.3 SignalsTable 854:SMBI Input signalsName Type Default DescriptionBI1 BOOLEAN 0 SMT Connect inputBI2 BOOLEAN 0 SMT Connect inputBI3 BOOLEAN 0 SMT Connect inputTable continues on next pageSection 20 1MRK502052-UEN BBasic IED functions1124Technical manual