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Logix5000 Controllers General Instructions - SLAC Confluence

Logix5000 Controllers General Instructions - SLAC Confluence

Logix5000 Controllers General Instructions - SLAC Confluence

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202 Input/Output <strong>Instructions</strong> (MSG, GSV, SSV, IOT)Execution:Condition Relay Ladder Action Structured Text Actionprescan The rung-condition-out is set to false. No action taken.rung-condition-in is false The rung-condition-out is set to false. narung-condition-in is true The instruction executes. naThe rung-condition-out is set to true.EnableIn is set na EnableIn is always set.The instruction executes.instruction execution The instruction:• updates the connection of the specified tag.• resets the RPI timer of the connectionpostscan The rung-condition-out is set to false. No action taken.Example 1:When the IOT instruction executes, it immediately sends the values ofthe Local:5:0 tag to the output module.Relay LadderStructured TextIOT (Local:5:O);Publication 1756-RM003I-EN-P - January 2007

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