Logix5000 Controllers General Instructions - SLAC Confluence

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272 Compute/Math <strong>Instructions</strong> (CPT, ADD, SUB, MUL, DIV, MOD, SQR, SQRT, NEG, ABS)Square Root (SQR)The SQR instruction computes the square root of the Source andplaces the result in the Destination.Operands:Relay LadderOperand Type Format DescriptionSource SINT immediate find the square root of this valueINTtagDINTDestinationREALA SINT or INT tag converts to a DINT value by sign-extension.SINT tag tag to store the resultINTDINTREALStructured Textdest := SQRT(source);Use SQRT as a function. This expression computes the square root ofsource and stores the result in dest.See Appendix B for information on the syntax of expressions withinstructured text.Publication 1756-RM003I-EN-P - January 2007
Compute/Math <strong>Instructions</strong> (CPT, ADD, SUB, MUL, DIV, MOD, SQR, SQRT, NEG, ABS) 273Function BlockOperand Type Format DescriptionSQR tag FBD_MATH_ADVANCED structure SQR structureFBD_MATH_ADVANCED StructureInput Parameter Data Type DescriptionEnableIn BOOL Enable input. If cleared, the instruction does not execute and outputs are not updated.Default is set.Source REAL Find the square root of this value.Valid = any floatOutput Parameter Data Type DescriptionEnableOut BOOL The instruction produced a valid result.Dest REAL Result of the math instruction. Arithmetic status flags are set for this output.Description:If the Destination is not a REAL, the instruction handles the fractionalportion of the result as follows:If The Source Is Then The Fractional ExamplePortion Of The Resultnot a REAL truncates Source DINT 3Destination DINT 1a REAL rounds Source REAL 3.0Destination DINT 2If the Source is negative, the instruction takes the absolute value ofthe Source before calculating the square root.Arithmetic Status Flags:Fault Conditions:Arithmetic status flags are affected.nonePublication 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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Page 222 and 223: 222 Compare Instructions (CMP, EQU,
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322 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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606 ASCII String Instructions (CONC
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620 ASCII Conversion Instructions (
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636 Common AttributesInstructions e
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638 Common AttributesIf you use a S
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640 Common AttributesREAL to an int
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642 Function Block AttributesUse th
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644 Function Block AttributesOrder
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646 Function Block AttributesDo not
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648 Function Block AttributesCreate
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650 Function Block AttributesTiming
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652 Function Block AttributesCommon
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654 Function Block AttributesOvervi
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656 Function Block AttributesThe Pr
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658 Function Block AttributesProgra
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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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