Logix5000 Controllers General Instructions - SLAC Confluence

Bit Instructions (XIC, XIO, OTE, OTL, OTU, ONS, OSR, OSF, OSRI, OSFI) 93Description:When the InputBit is cleared and the InputBit n-1 is set, the OSFIinstruction sets the OutputBit. When InputBit n-1 is cleared or whenInputBit is set, the OSFI instruction clears the OutputBit.InputBitInputBit n-140047OutputBitinstruction isexecutedinstruction resets duringnext scan executionArithmetic Status Flags:Fault Conditions:not affectednoneExecution:Condition Function Block Action Structured Text Actionprescan No action taken. No action taken.instruction first scan InputBit n-1 is cleared. InputBit n-1 is cleared.instruction first run InputBit n-1 is cleared. InputBit n-1 is cleared.EnableIn is cleared EnableOut is cleared, the instruction does nothing, naand the outputs are not updated.EnableIn is setOn a cleared to set transition of InputBit, theinstruction clears InputBit n-1 .On a cleared to set transition of InputBit, theinstruction clears InputBit n-1 .The instruction executes.EnableIn is always set.EnableOut is set.The instruction executes.postscan No action taken. No action taken.Publication 1756-RM003I-EN-P - January 2007