Logix5000 Controllers General Instructions - SLAC Confluence

Compute/Math Instructions (CPT, ADD, SUB, MUL, DIV, MOD, SQR, SQRT, NEG, ABS) 279Absolute Value (ABS)The ABS instruction takes the absolute value of the Source and placesthe result in the Destination.Operands:Relay LadderOperand Type Format DescriptionSource SINT immediate value of which to take the absolute valueINTtagDINTDestinationREALA SINT or INT tag converts to a DINT value by sign-extension.SINT tag tag to store the resultINTDINTREALStructured Textdest := ABS(source);Use ABS as a function. This expression computes the absolute valueof source and stores the result in dest.See Appendix B for information on the syntax of expressions withinstructured text.Function BlockOperand Type Format DescriptionABS tag FBD_MATH_ADVANCED structure ABS structurePublication 1756-RM003I-EN-P - January 2007