Logix5000 Controllers General Instructions - SLAC Confluence

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358 Array (File)/Misc. <strong>Instructions</strong> (FAL, FSC, COP, CPS, FLL, AVE, SRT, STD, SIZE)Copy File (COP)Synchronous Copy File(CPS)The COP and CPS instructions copy the value(s) in the Source to theDestination. The Source remains unchanged.Operands:Relay LadderOperand Type Format DescriptionSource SINT tag initial element to copyINTDINTImportant: the Source and Destinationoperands should be the same data type, orunexpected results may occurREALstringstructureDestinationSINTINTDINTREALtaginitial element to be overwritten bythe SourceImportant: the Source and Destinationoperands should be the same data type, orunexpected results may occurstringstructureLength DINT immediatenumber of Destination elements to copytagStructured TextCOP(Source,Dest,Length);CPS(Source,Dest,Length);The operands are the same as those for the relay ladder COP andCPS instructions.Publication 1756-RM003I-EN-P - January 2007
Array (File)/Misc. <strong>Instructions</strong> (FAL, FSC, COP, CPS, FLL, AVE, SRT, STD, SIZE) 359Description:During execution of the COP and CPS instructions, other controlleractions may try to interrupt the copy operation and change the sourceor destination data:If the Source Or Destination Is And You Want To Then Select Notes• produced tag• consumed tag• I/O dataprevent the data from changingduring the copy operationCPS• data that another task canoverwritenone of the aboveallow the data to change during thecopy operationCOPCOP• Tasks that attempt to interrupt a CPSinstruction are delayed until theinstruction is done.• To estimate the execution time of theCPS instruction, see ControlLogixSystem User Manual, publication1756-UM001.The number of bytes copied is:Byte Count = Length ∗ (number of bytes in the Destination data type)ATTENTIONIf the byte count is greater than the length of the Source, unpredictable data iscopied for the remaining elements.IMPORTANTYou must test and confirm that the instruction doesn’t change data that you don’twant it to change.The COP and CPS instructions operate on contiguous memory. They do a straightbyte-to-byte memory copy. In some cases, they write past the array into othermembers of the tag. This happens if the length is too big and the tag is auser-defined data type.If The Tag Isuser-defined data typeNOT user-defined datatypeThenIf the Length is too big, the instruction writes past the end ofthe array into other members of the tag. It stops at the end ofthe tag. No major fault is generated.If the Length is too big, the instruction stops at the end of thearray. No major fault is generated.The Length is too big if it is more than the total number of elements in theDestination array.Arithmetic Status Flags:Fault Conditions:not affectednonePublication 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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Page 308 and 309: 308 Move/Logical Instructions (MOV,
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408 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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