Logix5000 Controllers General Instructions - SLAC Confluence

70 Bit Instructions (XIC, XIO, OTE, OTL, OTU, ONS, OSR, OSF, OSRI, OSFI)Examine If Closed (XIC)The XIC instruction examines the data bit to see if it is set.Operands:Relay LadderOperand Type Format Descriptiondata bit BOOL tag bit to be testedStructured TextStructured text does not have an XIC instruction, but you can achievethe same results using an IF...THEN construct.IF data_bit THEN;END_IF;See Appendix B for information on the syntax of constructs withinstructured text.Description:Arithmetic Status Flags:Fault Conditions:The XIC instruction examines the data bit to see if it is set.not affectednoneExecution:Conditionprescanrung-condition-in is falserung-condition-in is trueRelay Ladder ActionThe rung-condition-out is set to false.The rung-condition-out is set to false.examine data bitdata bit = 0rung-condition-out isset to falsedata bit = 1rung-condition-out is setto trueendpostscanThe rung-condition-out is set to false.Publication 1756-RM003I-EN-P - January 2007