Logix5000 Controllers General Instructions - SLAC Confluence

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634 ASCII Conversion <strong>Instructions</strong> (STOD, STOR, DTOS, RTOS, UPPER, LOWER)Condition Relay Ladder Action Structured Text ActionEnableIn is set na EnableIn is always set.The instruction executes.instruction execution The instruction converts the Source to lower case.postscan The rung-condition-out is set to false. No action taken.Example:To find information about a specific item, an operator enters the itemnumber into an ASCII terminal. After the controller reads the inputfrom a terminal (terminal_read.EM is set), the LOWER instructionconverts the characters in item_number to all lower case charactersand stores the result in item_number_lower_case. A subsequent rungthen searches an array for characters that match those initem_number_lower_case.Relay LadderStructured TextIF terminal_read.EM THENLOWER(item_number,item_number_lower_case);terminal_read.EM := 0;END_IF;Publication 1756-RM003I-EN-P - January 2007
Appendix ACommon AttributesIntroductionThis appendix describes attributes that are common to theLogix instructions.For Information AboutSee PageImmediate Values 635Data Conversions 635Immediate ValuesWhenever you enter an immediate value (constant) in decimal format(for example, -2, 3) the controller stores the value using 32 bits. If youenter a value in a radix other than decimal, such as binary orhexadecimal, and do not specify all 32 bits, the controller places azero in the bits that you do not specify (zero-fill).EXAMPLEZero-filling of immediate valuesIf You EnterThe Controller Stores-1 16#ffff ffff (-1)16#ffff (-1) 16#0000 ffff (65535)8#1234 (668) 16#0000 029c (668)2#1010 (10) 16#0000 000a (10)Data ConversionsData conversions occur when you mix data types in yourprogramming:When Programming inRelay Ladder LogicFunction BlockConversions Can Occur When YouMix data types for the parameters within one instructionWire two parameters that have different data types635 Publication 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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572 ASCII Serial Port Instructions
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Page 584 and 585: 584 ASCII Serial Port Instructions
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Page 636 and 637: 636 Common AttributesInstructions e
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Page 660 and 661: 660 Structured Text ProgrammingTerm
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684 Structured Text ProgrammingREPE
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686 Structured Text ProgrammingExam
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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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