Logix5000 Controllers General Instructions - SLAC Confluence

18 PrefacePurpose of This ManualThis manual provides a description of each instruction in this format.This sectionInstruction nameOperandsProvides this type of informationidentifies the instructiondefines whether the instruction is an input or an output instructionlists all the operands of the instructionif available in relay ladder, describes the operandsif available in structured text, describes the operandsif available in function block, describes the operandsThe pins shown on a default function block are only the default pins. The operandstable lists all the possible pins for a function block.Instruction structureDescriptionArithmetic status flagsFault conditionsExecutionExamplelists control status bits and values, if any, of the instructiondescribes the instruction’s usedefines any differences when the instruction is enabled and disabled, if appropriatedefines whether or not the instruction affects arithmetic status flagssee appendix Common Attributesdefines whether or not the instruction generates minor or major faultsif so, defines the fault type and codedefines the specifics of how the instruction operatesprovides at least one programming example in each available programming languageincludes a description explaining each exampleThe following icons help identify language specific information:This iconIndicates this programming languagerelay ladderstructured textfunction blockPublication 1756-RM003I-EN-P - January 2007