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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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Advanced Math <strong>Instructions</strong> (LN, LOG, XPY) 549Log Base 10 (LOG)The LOG instruction takes the log base 10 of the Source and stores theresult in the Destination.Operands:Relay LadderOperand Type Format DescriptionSource SINT immediate find the log of this valueINTtagDINTREALDestinationSINTtagtag to store the resultINTDINTREALStructured Textdest := LOG(source);Use LOG as a function. This function computes the log of source andstores the result in dest.See Appendix B for information on the syntax of expressions withinstructured text.Function BlockOperand Type Format DescriptionLOG tag FBD_MATH_ADVANCED structure LOG structurePublication 1756-RM003I-EN-P - January 2007

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