Logix5000 Controllers General Instructions - SLAC Confluence

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612 ASCII String <strong>Instructions</strong> (CONCAT, DELETE, FIND, INSERT, MID)Structured TextIF term_read.EM THENDELETE(term_input,1,1,term_text);term_read.EM := 0;END_IF;Find String (FIND)The FIND instruction locates the starting position of a specified stringwithin another stringOperands:FINDFind StringSource ???Search ???Start ???Result ???Relay LadderOperand Type Format Enter NotesSource string tag string to search in String data types are:Search string tag string to findStartSINTINTimmediatetagposition in Source to startthe search• default STRING data type• any new string data type that you createEnter a number between 1 and the DATA size ofthe Source.DINTResultSINTINTtagtag that stores the startingposition of the string to findDINTStructured TextFIND(Source,Search,Start,Result);The operands are the same as those for the relay ladderFIND instruction described above.Publication 1756-RM003I-EN-P - January 2007
ASCII String <strong>Instructions</strong> (CONCAT, DELETE, FIND, INSERT, MID) 613Description:Arithmetic Status Flags:The FIND instruction searches the Source string for the Search string.If the instruction finds the Search string, the Result shows the startingposition of the Search string within the Source string.not affectedFault Conditions:Type Code Cause Recovery Method4 51 The LEN value of the string tag isgreater than the DATA size of thestring tag.Execution:1. Check that no instruction is writing to the LEN member of the string tag.2. In the LEN value, enter the number of characters that the stringcontains.4 56 The Start value is invalid. Check that the Start value is between 1 and the DATA size of the Source.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 searches for the specified characters.postscan The rung-condition-out is set to false. No action taken.Example:A message from a MessageView terminal contains several pieces ofinformation. The backslash character [ \ ] separates each piece ofinformation. To locate a piece of information, the FIND instructionsearches for the backslash character and records its position infind_pos.Relay LadderMV_read.EMFINDFind StringSource MV_msg'$06324\12\1\$r'Search find'\'Start 1Resultfind_pos5Publication 1756-RM003I-EN-P - January 2007
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Logix5000Controllers GeneralInstruc
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Table of ContentsSummary of Changes
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Table of Contents 7Extended Error C
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Table of Contents 9Array (File)/Mis
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Table of Contents 11Set the deadban
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14 Table of ContentsPublication 175
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16 Summary of ChangesNotes:Publicat
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18 PrefacePurpose of This ManualThi
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20 PrefaceRelay ladder rung conditi
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22 PrefaceNotes:Publication 1756-RM
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24 Instruction LocatorInstruction:
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30 Instruction LocatorPublication 1
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32 Digital Alarm Instruction (ALMD)
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48 Analog Alarm Instruction (ALMA)A
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50 Analog Alarm Instruction (ALMA)S
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52 Analog Alarm Instruction (ALMA)I
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54 Analog Alarm Instruction (ALMA)I
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56 Analog Alarm Instruction (ALMA)O
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62 Analog Alarm Instruction (ALMA)E
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64 Analog Alarm Instruction (ALMA)E
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70 Bit Instructions (XIC, XIO, OTE,
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96 Timer and Counter Instructions (
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98 Timer and Counter Instructions (
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100 Timer and Counter Instructions
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140 Input/Output Instructions (MSG,
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206 Compare Instructions (CMP, EQU,
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248 Compute/Math Instructions (CPT,
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284 Move/Logical Instructions (MOV,
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332 Array (File)/Misc. Instructions
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388 Array (File)/Shift Instructions
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422 Sequencer Instructions (SQI, SQ
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436 Program Control Instructions (J
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472 For/Break Instructions (FOR, FO
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480 Special Instructions (FBC, DDT,
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522 Trigonometric Instructions (SIN
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546 Advanced Math Instructions (LN,
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556 Math Conversion Instructions (D
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Page 636 and 637: 636 Common AttributesInstructions e
Page 638 and 639: 638 Common AttributesIf you use a S
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Page 648 and 649: 648 Function Block AttributesCreate
Page 650 and 651: 650 Function Block AttributesTiming
Page 652 and 653: 652 Function Block AttributesCommon
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Page 660 and 661: 660 Structured Text ProgrammingTerm
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662 Structured Text ProgrammingThe
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664 Structured Text ProgrammingIn s
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666 Structured Text ProgrammingFor
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668 Structured Text ProgrammingUse
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670 Structured Text ProgrammingInst
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672 Structured Text ProgrammingIF..
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674 Structured Text ProgrammingExam
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676 Structured Text Programmingopti
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678 Structured Text ProgrammingFOR
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682 Structured Text ProgrammingThe
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684 Structured Text ProgrammingREPE
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688 Structured Text ProgrammingFor
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IndexAABL instruction 575ABS instru
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Index 693DEG 556FRD 565introduction
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Index 695sequencer 421serial port 5
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Index 697program/operator controlov
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Index 699timer on delay with reset
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Pub. Title/Type Logix5000 Controlle
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Rockwell AutomationSupportRockwell
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