Logix5000 Controllers General Instructions - SLAC Confluence

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428 Sequencer <strong>Instructions</strong> (SQI, SQO, SQL)ConditionRelay Ladder Actionrung-condition-in is true.LEN ≤ 0 or.POS < 0noexamine .EN bit.EN = 0.EN bit is set.ER bit is clearedyes.EN = 1.POS = .LENno.POS ≥ .LENyes.POS = 1yesno.DN bit is set.POS = .POS + 1.POS valuerolls overyesgotoerrorno.POS = .LENyes.DN bit is setno.POS > .LENnoyeserror.ER bit is setDestination = (Destination AND (NOT(Mask)))OR (Array[control.POS] AND Mask)rung-condition-out is set totrueendpostscanThe rung-condition-out is set to false.Publication 1756-RM003I-EN-P - January 2007
Sequencer <strong>Instructions</strong> (SQI, SQO, SQL) 429Example:When enabled, the SQO instruction increments the position, passesthe data at that position in array_dint through the mask, and storesthe result in value_1.SQO Operand Example Values (Using INTS Displayed In Binary)Arrayxxxxxxxx xxxxxxxx xxxx0101 xxxx1010Mask 00000000 00000000 00001111 00001111Destination xxxxxxxx xxxxxxxx xxxx0101 xxxx1010A 0 in the mask means the bit is not compared (designated by xxxx inthis example).Using SQI with SQOIf you pair an SQI instruction with an SQO instruction, make sure thatboth instructions use the same Control, Length, and Position values,.Resetting the position of SQOEach time the controller goes from Program to Run mode, the SQOinstruction clears (initializes) the .POS value. To reset .POS to theinitialization value (.POS = 0), use a RES instruction to clear theposition value. This example uses the status of the first-scan bit toclear the .POS value.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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478 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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